Best Tires For Audi S4: Compare Performance and All-Season Options

Best Tires For Audi S4

A strong Audi S4 tire choice pairs the correct vehicle-approved size with the grip and seasonal capability you want, making the Michelin Pilot Sport 4S the leading performance option here for buyers whose S4 uses 245/40ZR18. The list also includes all-season alternatives and tires in sizes from 18 to 22 inches, but those dimensions are not interchangeable. Several products may suit a different wheel setup or vehicle better than an S4, so treat the listed size as a starting point, not a fitment guarantee.

Check the tire placard, owner’s manual, wheel dimensions, load and speed requirements, and any original-equipment markings before ordering. This roundup compares the listed specifications and features; it does not claim that every tire fits every S4 generation.

For an Audi S4 with approved 245/40ZR18 fitment, the Michelin Pilot Sport 4S is the strongest pick. It is listed in that exact size and emphasizes high-speed handling, dry grip, and wet braking—priorities for a performance sedan. Its summer design makes it a seasonal choice, not a universal year-round solution.

Confirm the car’s required load and speed ratings and the approved tire size before purchase; if you need all-season capability, consider the Michelin Pilot Sport AS 4 only when its listed 20-inch size matches your vehicle.

Our Top Picks

Michelin Pilot Sport 4SBest Overall

Michelin Pilot Sport 4S

Its listed 245/40ZR18 size is a plausible S4 fitment, and Michelin highlights high-speed control, dry grip, and wet braking for performance driving.

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Pirelli P Zero18-Inch Summer

Pirelli P Zero

This summer performance tire has an 18-inch rim size, asymmetric handling design, and three longitudinal grooves; verify its 225/40R18 size against the S4.

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Michelin Pilot Sport AS 4All-Season Performance

Michelin Pilot Sport AS 4

Its wet, dry, and snowy-road positioning offers year-round versatility, but the listed 275/40ZR20 size requires careful S4 fitment verification.

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Compare these tire options

#ProductSizeRim SizeWeightBuy
1245/40ZR18 (97Y) XL18 in10.4 kgView on Amazon
2
Pirelli P Zero2. Pirelli P Zero18-Inch Summer
225/40R1818 in23.4 lbView on Amazon
3
Michelin Pilot Sport AS 43. Michelin Pilot Sport AS 4All-Season Performance
275/40ZR20 106Y XL20 in13.3 kgView on Amazon
4
Lexani LX-Twenty 235/40R194. Lexani LX-Twenty 235/40R19All-season 19-inch performance
235/40R1919 in27 lbView on Amazon
5275/40R1919 in30.6 lbView on Amazon
6
Lexani LX-Twenty 275/40ZR206. Lexani LX-Twenty 275/40ZR20Quiet 20-inch summer cruising
275/40ZR2020 in37 lbView on Amazon
7
Pirelli P Zero MS7. Pirelli P Zero MSAudi OE all-season match
225/55R1919 in28 lbView on Amazon
8
Michelin Primacy Tour A/S8. Michelin Primacy Tour A/SQuiet luxury all-season touring
265/40R22/XL 106W22 in—View on Amazon

Detailed Reviews: Best Tires For Audi S4

Michelin Pilot Sport 4S

#1 · Best Overall

1. Michelin Pilot Sport 4S

  • Size: 245/40ZR18 (97Y) XL
  • Rim Size: 18 in
  • Weight: 10.4 kg

Best for: Summer grip in 245/40ZR18.

Why it ranks #1: Its listed 245/40ZR18 size is a plausible S4 fitment, and Michelin highlights high-speed control, dry grip, and wet braking for performance driving.

The Michelin Pilot Sport 4S pairs exceptional dry grip with wet braking performance, making it a summer option for drivers who want handling confidence in changing road conditions. Its listed 245/40ZR18 XL size gives S4 shoppers a specific fit to compare against their vehicle and wheel requirements.

Michelin highlights road handling and control even at high speed, alongside dry grip and wet braking. Together, these features serve drivers looking for a performance-focused summer tire on both dry pavement and wet roads. The 245/40ZR18 XL specification is useful when comparing against the S4’s required tire and wheel setup; it is not a universal fit across S4 configurations. This listing is for one tire, and rims are not included, so installation planning should account for both details.

Pros
  • Exceptional dry grip is specified.
  • Wet braking performance is highlighted.
  • Road handling and control are emphasized at high speed.
  • Listed 245/40ZR18 XL size makes fit comparison specific.
Cons
  • Summer performance focus does not provide listed snowy-road capability.

Skip it if you need stated winter-road performance; the Michelin Pilot Sport All Season 4 explicitly covers wet, dry, and snowy roads.

Choose this for an S4 setup that calls for 245/40ZR18 XL and prioritizes summer handling, dry grip, and wet braking. Check your vehicle’s required size, and note the listing is one tire without a rim.

Full product details
BrandMICHELIN
Included Components3-year flat tire changing assistance, 6 years standard defect warranty, 60 Day Satisfaction Guarantee, MICHELIN Promise Plan, Rims not included
Item Dimensions25.7 x 9.65 x 25.7 inches
Item Weight10.4 kg
Load Capacity1609 pounds
ManufacturerMICHELIN
Part Number37666
Manufacturer Warranty Description30,000 Mile Manufacturer's Treadwear Limited Warranty, 6 Year limited warranty
Model Number37666
Rim Size18 inches
Size245/40ZR18 (97Y) XL
Vehicle Tire ISO Metric Size Description245/40ZR18 (97Y) XL

Listed on Amazon as: Michelin Pilot Sport 4S 245/40ZR18 (97Y) XL (Set of 1 Tire Only)

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Pirelli P Zero

#2 · 18-Inch Summer

2. Pirelli P Zero

  • Size: 225/40R18
  • Rim Size: 18 in
  • Weight: 23.4 lb

Best for: 18-inch summer cornering.

Why it ranks #2: This summer performance tire has an 18-inch rim size, asymmetric handling design, and three longitudinal grooves; verify its 225/40R18 size against the S4.

Reinforced shoulder blocks give the Pirelli P ZERO a specific cornering-stability feature, while its asymmetric tread supports handling. For S4 shoppers comparing 18-inch summer tires, the 225/40R18 size and three wide longitudinal grooves provide concrete fit and wet-road considerations.

Pirelli lists three wide longitudinal grooves for hydroplaning resistance, a feature relevant when driving through standing water. S-shaped sipes are intended to reduce rolling noise, while the reinforced shoulders and asymmetric tread focus on stability and handling. The tire is identified as a high-performance summer option for sporty coupes and sedans, making its seasonal boundary important. Compare the 225/40R18 specification with your S4’s required size; this listing is for a tire only.

Pros
  • Reinforced shoulder blocks support cornering stability.
  • Asymmetric tread is specified for increased handling.
  • Three wide grooves are intended to resist hydroplaning.
  • S-shaped sipes are designed to reduce rolling noise.
Cons
  • Summer designation limits its stated use to warm-weather driving.

Skip it if you need all-season or snowy-road use; the Michelin Pilot Sport All Season 4 lists wet, dry, and snowy-road performance.

Choose this for an S4 setup that calls for 225/40R18 and prioritizes summer handling, cornering stability, and wet-road features. Its summer use is the boundary, and the listing supplies a tire only.

Full product details
BrandPirelli
Included ComponentsTire Only
Item Dimensions25.08 x 9.06 x 25.08 inches
Item Weight23.4 pounds
Load Capacity1389 pounds
ManufacturerPirelli
Part Number1679700
Manufacturer Warranty DescriptionLimited Manufacturer Warranty
Model Number1679700
Rim Size18 inches
Size225/40R18
Vehicle Tire ISO Metric Size Description225/40R18

Listed on Amazon as: Pirelli P ZERO High Performance Tire – 225/40R18 92Z

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Michelin Pilot Sport AS 4

#3 · All-Season Performance

3. Michelin Pilot Sport AS 4

  • Size: 275/40ZR20 106Y XL
  • Rim Size: 20 in
  • Weight: 13.3 kg

Best for: Four-season performance drivers.

Why it ranks #3: Its wet, dry, and snowy-road positioning offers year-round versatility, but the listed 275/40ZR20 size requires careful S4 fitment verification.

Michelin’s Pilot Sport All Season 4 explicitly covers wet, dry, and snowy roads, giving S4 drivers a performance-oriented option beyond summer-only use. Its Dynamic Response Technology distributes forces and temperatures evenly, a feature Michelin links to longer wear life during continued driving.

The asymmetric tread pattern supports the tire’s wet and dry grip, while its stated winter confidence makes it relevant to buyers who need a broader seasonal range. Dynamic Response Technology distributes forces and temperatures evenly, which Michelin says contributes to longer wear life. The 275/40ZR20 XL specification identifies the size to compare with an S4’s requirements. This is a single tire without rims, so buyers should account for the rest of their set and installation separately.

Pros
  • Wet, dry, and snowy-road performance is stated.
  • Asymmetric tread pattern is specified.
  • Dynamic Response Technology distributes forces and temperatures evenly.
  • 45,000-mile treadwear limited warranty is listed.
Cons
  • The listed 275/40ZR20 size may not match an S4’s required setup.

Skip it if you need a 19-inch tire; the Lexani LX-Twenty 275/40ZR20 is also 20-inch, so compare against your vehicle’s specified size first.

This fits S4 shoppers whose required setup accepts 275/40ZR20 XL and who want wet, dry, and snowy-road performance in one tire. It is sold individually, and its 20-inch size is a decisive fit boundary.

Full product details
BrandMICHELIN
Included ComponentsRims not included
Item Dimensions28.7 x 10.8 x 28.7 inches
Item Weight13.3 kg
Load Capacity2094 pounds
ManufacturerMichelin
Part Number03133
Manufacturer Warranty Description45,000 Miles Manufacturer's Treadwear Limited Warranty, 6-Year Standard Limited Warranty
Model Number03133
Rim Size20 inches
Size275/40ZR20 106Y XL
Vehicle Tire ISO Metric Size Description275/40ZR20XL

Listed on Amazon as: Michelin Pilot Sport AS 4 275/40ZR20 106Y XL (Set of 1 Tire Only)

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Lexani LX-Twenty 235/40R19

#4

4. Lexani LX-Twenty 235/40R19

  • Size: 235/40R19
  • Rim Size: 19 in
  • Weight: 27 lb

Best for: All-season 19-inch performance.

Why it ranks #4: The 19-inch all-season performance listing may interest buyers seeking broader seasonal use, though 235/40R19 must match their S4's approved specifications.

The Lexani LX-Twenty listing identifies all-season performance in a 235/40R19 XL size, giving S4 shoppers a clearly specified 19-inch option to compare. Its asymmetric tread and grooves and sipes are described as supporting dry steering response and wet traction, connecting the design to mixed-condition road use.

Lexani describes the asymmetric tread as contributing to sporty handling, while its groove and sipe design helps drain water and boost wet traction. The same description notes steering response on dry pavement, so the tire’s listed performance features address more than one road condition. The title gives a 235/40R19 XL size; compare it with the S4’s required fit before ordering. Although the listing calls it all-season performance, it provides no specific snowy-road performance details.

Pros
  • All-season performance is stated in the listing.
  • Asymmetric tread is described as supporting sporty handling.
  • Grooves and sipes help drain water for wet traction.
  • Dry-pavement steering response is described.
Cons
  • No specific snowy-road performance details are provided.

Skip it if you require stated snow performance; the Michelin Pilot Sport All Season 4 explicitly lists snowy-road capability.

This is for S4 shoppers whose required setup matches 235/40R19 XL and who want the listed all-season performance with wet and dry handling features. The description does not specify snow capability, so weigh that need carefully.

Full product details
BrandLexani
Included ComponentsTire only
Item Dimensions26 x 9.5 x 26 inches
Item Weight27 pounds
Load Capacity2000 pounds
ManufacturerLEXANI
Part NumberLXST201940050
Manufacturer Warranty DescriptionStandard Manufacturer Warranty
Model NumberLXST201940050
Rim Size19 inches
Size235/40R19
Vehicle Tire ISO Metric Size Description235/40R19

Listed on Amazon as: 235/40R19 Lexani LX-TWENTY 96W XL

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Pirelli P Zero PZ4-Sport

#5 · Wet-Weather Focus

5. Pirelli P Zero PZ4-Sport

  • Size: 275/40R19
  • Rim Size: 19 in
  • Weight: 30.6 lb

Best for: Warm-weather S4 cornering.

Why it ranks #5: Its warm-weather compound is described as improving wet performance and its reinforced belts support response, but 275/40R19 may not match an S4.

A reinforced steel belt gives the Pirelli P Zero PZ4-Sport a more responsive foundation, while its rib design supports cornering performance. For an S4 owner seeking a summer tire in the listed 275/40R19 size, those features put steering response and warm-season grip at the center of the choice.

Pirelli’s warm-up-focused tread compound is intended to improve wet-weather performance, giving drivers a feature aimed at changing conditions rather than dry roads alone. The optimized design lowers rolling resistance and road noise, linking the tire to potential efficiency and cabin-comfort benefits. Its steel belt and cornering-focused rib design further suit sporty driving. This is a summer tire, however, so its stated use in warmer weather makes it a poor match for buyers who need year-round or snowy-road performance.

Pros
  • Warm-up-focused compound targets wet-weather performance.
  • Optimized design aims to lower rolling resistance.
  • Noise-reducing design supports a quieter ride.
  • Reinforced steel belt and rib design support response and cornering.
Cons
  • Summer specification limits its stated use to warmer-weather conditions.

Skip it if you need one tire for snowy or year-round driving; the Michelin Pilot Sport All Season 4 lists wet, dry, and snowy-road performance.

This suits S4 drivers prioritizing warm-weather response and cornering in a 275/40R19 tire. Its summer designation is the key boundary: choose an all-season option if winter-road use is part of your routine.

Full product details
BrandPirelli
Included ComponentsTire Only
Item Dimensions27 x 27 x 10 inches
Item Weight30.6 pounds
Load Capacity16 ounces
ManufacturerPirelli
Part Number3973600
Manufacturer Warranty DescriptionStandard Manufacturer Warranty
Model Number3973600
Rim Size19 inches
Size275/40R19
Vehicle Tire ISO Metric Size Description275/40R19

Listed on Amazon as: Pirelli P Zero (PZ4-Sport) Summer 275/40R19 101Y Passenger Tire

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Lexani LX-Twenty 275/40ZR20

#6

6. Lexani LX-Twenty 275/40ZR20

  • Size: 275/40ZR20
  • Rim Size: 20 in
  • Weight: 37 lb

Best for: Quiet 20-inch summer cruising.

Why it ranks #6: The 55,000-mile tread-life claim and wet-road grooves are useful listed features, but its 20-inch 275/40ZR20 size needs strict fitment checking.

The Lexani LX-Twenty combines an asymmetric tread for sporty handling with construction intended to reduce road noise and vibration. For an S4 owner comparing 20-inch summer tires, that pairing connects responsive driving with a quieter, more comfortable ride, while its grooves and sipes address wet-road traction.

Lexani says grooves and sipes boost wet-road traction, and its description adds that the tread helps drain water while supporting steering response on dry pavement. The asymmetric pattern is intended for sporty handling, so the tire balances everyday road use with a performance focus. Its 275/40ZR20 XL size gives buyers a concrete fit to verify. The stated warmer-weather use is an important limit for S4 owners who need a tire for snowy or year-round conditions.

Pros
  • Asymmetric tread supports sporty handling.
  • Grooves and sipes boost wet-road traction.
  • Construction aims to reduce noise and vibration.
  • 55,000-mile limited tread life is listed.
Cons
  • It is specified for warmer-weather use, not year-round conditions.

Skip it if you need snowy-road use; the Michelin Pilot Sport All Season 4 lists performance on wet, dry, and snowy roads.

Consider this for an S4 with a confirmed 275/40ZR20 requirement when quiet comfort and sporty warm-weather handling matter. Its seasonal use is the boundary; it is not the listed choice for winter-road needs.

Full product details
BrandLexani
Included ComponentsTires
Item Dimensions29 x 11 x 29 inches
Item Weight37 pounds
Load Capacity2094 pounds
ManufacturerLexani
Part NumberLXST202040020
Manufacturer Warranty DescriptionStandard Manufacturer Warranty
Model NumberLXST202040020
Rim Size20 inches
Size275/40ZR20
Vehicle Tire ISO Metric Size Description275/40R20

Listed on Amazon as: Lexani LX-Twenty 275/40ZR20 106W XL

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Pirelli P Zero MS

#7

7. Pirelli P Zero MS

  • Size: 225/55R19
  • Rim Size: 19 in
  • Weight: 28 lb

Best for: Audi OE all-season match.

Why it ranks #7: Its R0 marking identifies original equipment for certain Audi models, but the listed 225/55R19 and EV-specific description do not establish S4 compatibility.

The Pirelli P Zero MS carries an R0 marking identifying it as original equipment for certain Audi models, a useful distinction for S4 owners seeking an Audi-linked all-season tire. Its 225/55R19XL specification offers a precise starting point for checking wheel and vehicle requirements.

Pirelli describes this P Zero MS as a high-performance all-season passenger-vehicle tire, making it relevant to drivers looking beyond a summer-only option. The R0 marking denotes original equipment for certain Audi models, but does not establish fit for every S4; compare the listed 225/55R19 size with your vehicle’s requirements. The supplied description also identifies it as EV-specific, so that designation should be part of the compatibility decision rather than assumed to suit every S4 configuration.

Pros
  • High-performance all-season use is specified.
  • R0 marks original equipment for certain Audi models.
  • 225/55R19 size is clearly listed.
  • EV-specific designation is disclosed for compatibility consideration.
Cons
  • The listed 225/55R19 size may not match an S4’s required tire size.

Skip it if you need the listed 275/40R19 size; the Pirelli P Zero PZ4-Sport matches that size specification.

This merits consideration for an Audi owner seeking an R0-marked, EV-specific all-season P Zero. For an S4, verify the listed 225/55R19 size and vehicle compatibility before choosing it; the Audi OE note applies only to certain models.

Full product details
BrandPirelli
Item Dimensions27 x 27 x 9 inches
Item Weight28 pounds
Load Capacity1929 pounds
ManufacturerPirelli
Part Number4187400
Model Number4187400
Rim Size19 inches
Size225/55R19

Listed on Amazon as: Pirelli P Zero MS 225/55R19XL 103H BSW (1 Tires)

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Michelin Primacy Tour A/S

#8

8. Michelin Primacy Tour A/S

  • Size: 265/40R22/XL 106W
  • Rim Size: 22 in

Best for: Quiet luxury all-season touring.

Why it ranks #8: This quiet all-season touring tire suits premium vehicles, but its listed 265/40R22 size is a poor match for typical S4 fitment and requires verification.

Michelin calls the Primacy Tour A/S tread its quietest, making this all-season touring tire a comfort-focused option for S4 drivers who value a calmer ride. The listing specifies 265/40R22 XL, a crucial fit detail to compare with the vehicle’s wheel and tire requirements.

The Primacy Tour A/S is described as a high-performance all-season touring tire with exceptional handling and ride quality, connecting its touring role to both comfort and control. Its quiet tread design supports buyers prioritizing a quieter cabin, while the all-season designation addresses use beyond summer. The listed 265/40R22 XL size is a specific constraint, not a general S4 fit claim. Rims are not included, and the listing states a 45,000-mile warranty.

Pros
  • All-season touring use is specified.
  • Quiet tread design is highlighted.
  • Handling and ride quality are identified as strengths.
  • 45,000-mile warranty is listed.
Cons
  • The listed 265/40R22 size may not match an S4’s required setup.

Skip it if you need a listed 19-inch size; the Pirelli P Zero PZ4-Sport is specified as 275/40R19.

This suits an S4 owner whose required setup accepts 265/40R22 XL and who prioritizes quiet all-season touring and ride quality. Confirm that substantial size-specific fit consideration before selecting it; rims are not included.

Full product details
BrandMICHELIN
Included ComponentsRims Not Included
Load Capacity2094 pounds
ManufacturerMichelin
Part Number76159
Manufacturer Warranty Description45000-Miles Warranty
Rim Size22 inches
Size265/40R22/XL 106W
Vehicle Tire ISO Metric Size Description265/40R22

Listed on Amazon as: MICHELIN Primacy Tour A/S All-Season Car Tire for Sport and Performance Cars, 265/40R22/XL 106W

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Why the listed tire size is not a fitment guarantee

A tire’s presence in this roundup does not prove that it fits your Audi S4; confirm the exact approved size and wheel setup first. The eight listings span 225/40R18 through 265/40R22 and include markedly different widths and aspect ratios. Even two 18-inch tires here differ: the Michelin Pilot Sport 4S is 245/40ZR18, while the Pirelli P Zero is 225/40R18.

A larger rim diameter alone does not make a tire compatible, and substituting a different overall diameter or width can create clearance or handling problems. Check the driver-door placard and owner’s manual, then verify load and speed requirements and any staggered front/rear setup.

The Pirelli P Zero MS carries an R0 original-equipment marking for certain Audi models, but its listed 225/55R19 size and EV-specific note do not establish that it is an S4 fit. Buy only a size approved for your exact vehicle configuration.

Summer grip trades away cold-weather suitability

A summer performance tire is a seasonal choice, not a substitute for winter-capable tires in cold or snowy conditions. The Michelin Pilot Sport 4S and Pirelli P Zero listings emphasize summer use, while the Michelin Pilot Sport AS 4 explicitly describes wet, dry, and snowy-road capability. The Lexani LX-Twenty 235/40R19 listing says all-season performance; its counterpart in 275/40ZR20 is described for warmer weather, so do not assume model name alone guarantees the same seasonal specification.

The products also differ in priorities: Pirelli’s PZ4-Sport listing highlights warm-up and wet-weather performance, while Michelin’s 4S emphasizes dry grip and wet braking. Match the tire’s stated season to local temperatures and the months you drive.

If you encounter sustained winter conditions, investigate appropriate winter tires rather than assuming that a performance summer tire or a generic all-season label meets your needs.

How to Choose Audi S4 Tires

Approved size and wheel fit

Start with the exact tire size and ratings approved for your S4, not the largest rim listed. These products range from 18-inch to 22-inch rims, and their sizes include 245/40ZR18 for the Michelin Pilot Sport 4S, 235/40R19 for the Lexani LX-Twenty 235/40R19, and 275/40ZR20 for the Michelin Pilot Sport AS Those are not interchangeable choices.

Match the placard or manual’s size, load index, and speed rating, and confirm whether your car uses different front and rear sizes. A driver seeking the listed 18-inch Michelin should choose it only if 245/40ZR18 is approved; someone with a different factory wheel setup should prioritize an exact match over a model’s performance description.

Season and road conditions

Choose a tire whose stated seasonal design suits the temperatures and conditions in which you drive. The Michelin Pilot Sport 4S and both Pirelli P Zero summer listings are positioned for warm-weather performance; the PZ4-Sport specifically notes warm-up and wet-weather performance. The Michelin Pilot Sport AS 4 is described for wet, dry, and snowy roads, and the Lexani LX-Twenty 235/40R19 listing identifies all-season performance.

These descriptions do not make the options equivalent in every climate. Buyers focused on warm-weather performance can shortlist the summer models after checking fitment, while drivers seeking a single set across more conditions may investigate the all-season choices and their suitability for local winter weather.

Performance, comfort, and tread-life priorities

Decide which listed design features matter most: sporty response, quieter touring, wet-road grip, or an advertised tread-life figure. The Michelin Pilot Sport 4S emphasizes high-speed control, dry grip, and wet braking; Pirelli’s P Zero highlights cornering stability and hydroplaning resistance. For comfort, the Lexani LX-Twenty 275/40ZR20 describes reduced noise and vibration, while the Michelin Primacy Tour A/S is positioned as a quiet touring tire.

Tread-life information also varies: Lexani lists 55,000 miles for its 275/40ZR20 LX-Twenty, and Michelin lists 45,000 miles for the Pilot Sport AS Drivers prioritizing sharp summer response may favor the performance descriptions; those prioritizing touring quiet or a stated tread-life figure can compare those alternatives, provided sizes fit.

Which tires should I choose for my Audi S4?

Choose the Michelin Pilot Sport 4S if your S4 is approved for 245/40ZR18 and you want a summer tire focused on high-speed control, dry grip, and wet braking. For an approved 225/40R18 setup, compare the Pirelli P Zero’s summer handling features, but do not assume its size fits because the rim diameter matches. If year-round versatility matters, consider the Michelin Pilot Sport AS 4 or the all-season-listed Lexani LX-Twenty 235/40R19 only when the full size and ratings match your car.

The Pirelli P Zero MS’s Audi original-equipment marking is not proof of S4 fitment. Confirm size, load and speed ratings, season, and front/rear requirements using your vehicle documentation before ordering.

Frequently Asked Questions

How do I confirm the correct tire size and load rating for my Audi S4?

Check your vehicle documentation and tire placard for the approved size, load rating, and speed rating; verify any front and rear requirements as well. Match the complete specifications, not just the rim diameter. If details are unclear, confirm fitment with an Audi dealer or qualified tire professional before ordering.

Should I choose summer or all-season tires for my climate and driving season?

Choose summer tires when you want seasonal performance and will switch tires when conditions require it. Choose all-season tires when year-round versatility is more important, while confirming the tire is suitable for your climate and approved fitment. The Pilot Sport 4S is a summer option, not a universal year-round solution.

Do I need to replace all four tires together on an Audi S4?

Follow your Audi documentation and have a tire professional assess the remaining tires before deciding. Replacing a set may be appropriate when wear or condition differs, but the correct choice depends on your vehicle’s requirements and tire condition. Confirm any front-to-rear requirements and avoid assuming that replacing only one tire is suitable.

Does matching the rim diameter mean a tire will fit my S4?

No. Rim diameter is only one part of the fitment check. Confirm the complete approved tire size, load rating, speed rating, and any front or rear requirements in your vehicle documentation.

For example, a tire with an 18-inch rim designation is not automatically suitable simply because the S4 has an 18-inch setup.

Does an Audi original-equipment marking prove a tire fits my S4?

No. An original-equipment marking alone does not establish fitment for your specific S4. Check your vehicle documentation for the approved size and required load and speed ratings, including any axle-specific requirements.

The Pirelli P Zero MS marking is not proof of S4 fitment; verify the complete specifications before ordering.

Final Words

For an S4 approved for 245/40ZR18, the Michelin Pilot Sport 4S is the strongest summer choice here for high-speed control, dry grip, and wet braking. If you need all-season capability, consider the Pilot Sport AS 4 only if its listed 20-inch size matches your car; other listed sizes also require verification. Check approved size, load and speed ratings, season, and axle requirements in your vehicle documentation before ordering.

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