Tire Size Guide

285/40R21 Tires

Compare 31 available models across 7 categories, then confirm fitment for your vehicle.

Our Top Pick in 285/40R21
Continental ContiSportContact 5 SUV
Ultra High Performance SummerPerformance

The ContiSportContact 5 SUV is a strong contender for drivers who prioritize wet grip, boasting a score of 9, well above the segment average.

Wet grip score of 9 significantly exceeds the ultra high performance summer average of 7.6, making it reliable in wet conditions. Treadlife score of 8.3 is above the category average, suggesting longer-lasting performance compared to many competitors. Handling score of 8 aligns well with the segment's focus on responsive driving dynamics.
80Spec score (est.)
Full analysis
12 models

Best Ultra High Performance Summer Tires in 285/40R21

All Ultra High Performance Summer tires

The ContiSportContact 5 SUV is a strong contender for drivers who prioritize wet grip, boasting a score of 9, well above the segment average.

  • Wet grip score of 9 significantly exceeds the ultra high performance summer average of 7.6, making it reliable in wet conditions.
  • Treadlife score of 8.3 is above the category average, suggesting longer-lasting performance compared to many competitors.

The R speed rating limits high-speed performance, which could be a concern for drivers seeking maximum velocity capabilities.

Treadwear 420Traction AA
Spec score80estimated
Details

The Michelin Pilot Sport All Season 4 is a strong contender for drivers who prioritize grip and longevity in an ultra-high-performance summer tire.

  • Dry grip rating of 9 matches the best in the ultra-high-performance summer category, making it ideal for spirited driving.
  • Wet grip score of 9 exceeds the category average of 7.6, providing confidence in rainy conditions.

If comfort is a top priority, consider alternatives with higher comfort scores like the Pirelli P Zero (PZ4).

45,000 mi warrantyTreadwear 540Traction AA
Spec score78estimated
Details

The ADVAN Sport V107 is a compelling option for drivers who prioritize dry and wet grip above all else.

  • Perfect dry grip score of 10, surpassing the category average of 8.7, making it a top choice for high-performance driving.
  • Wet grip rating of 9, well above the category average of 7.6, ensures reliable performance in rainy conditions.

The lower treadwear warranty of 20,000 miles may deter those seeking longer-lasting performance tires.

Treadwear 240Traction AA
Spec score78estimated
Details

The Pirelli P Zero Corsa (PZC4) is tailored for drivers who prioritize wet grip and handling in an ultra-high-performance summer tire.

  • Wet grip score of 9 significantly exceeds the category average of 7.6, making it a strong performer in rainy conditions.
  • Handling score of 8 aligns well with its ultra-high-performance summer category, offering responsive steering and control.

Lack of a treadwear warranty and lower dry grip compared to the category average may deter those who prioritize longevity and dry performance.

Treadwear 80Traction AA
Spec score77estimated
Details
Show 8 more ultra high performance summer options
Pirelli P Zero

Treadwear 220

77
75
Hankook Ventus S1 evo Z AS X

45,000 mi warranty · Treadwear 500

58
Michelin Pilot Sport 4 SUV

20,000 mi warranty · Treadwear 220

53
Pirelli P Zero PZ4 Sport

Specs on detail page

Atturo AZ850

Specs on detail page

6 models

Best Grand Touring All Season Tires in 285/40R21

All Grand Touring All Season tires

The Yokohama AVID GT S35A is a solid choice for drivers who prioritize dry grip and handling in a grand touring all-season tire.

  • Comfort and noise scores of 8 match the grand touring all-season category averages, making for a quiet and comfortable ride.
  • Dry grip rating of 8.5 exceeds the category average of 7.6, providing better handling in dry conditions than many competitors.

Lack of a treadwear warranty and lower UTQG treadwear rating could lead to higher long-term costs for those expecting extended mileage.

Treadwear 440Traction A
Spec score70estimated
Details

The Bridgestone Alenza 001 is tailored for drivers who prioritize performance attributes like dry grip and handling in a grand touring all-season tire.

  • Dry grip score of 8.5, significantly above the category average of 7.6, making it a strong choice for spirited driving.
  • Comfort and noise scores both at 8, matching the category benchmarks, which means it won't annoy you on long drives.

The lack of a treadwear warranty and a low treadwear rating of 300 could lead to more frequent replacements, increasing long-term costs.

Treadwear 300Traction A
Spec score67estimated
Details

The Bridgestone Turanza T005 is a strong contender for those prioritizing comfort and longevity in a grand touring all-season tire.

  • Comfort and noise scores of 8 match the category benchmarks, ensuring a smooth and quiet ride typical of grand touring tires.
  • 70,000-mile treadwear warranty exceeds the category average of 62,053 miles, offering better long-term value.

Lacks 3PMSF certification, which may be a concern for drivers in regions with harsh winter conditions.

Treadwear 320Traction A
Spec score66estimated
Details
Vredestein Quatrac Pro+Comfort3PMSF Snow

The Vredestein Quatrac Pro+ is best suited for drivers who value comfort and noise reduction in their daily drives.

  • Comfort and noise scores of 8 match the grand touring all-season category averages, making for a quiet and smooth ride.
  • Wet grip rating of 7.5 slightly exceeds the category average of 7.4, suggesting reliable performance in rainy conditions.

The 50,000-mile treadwear warranty is significantly below the category average, which could mean more frequent replacements.

50,000 mi warrantyTreadwear 400Traction A
Spec score65estimated
Details
Show 2 more grand touring all season options
Continental ProContact TX

45,000 mi warranty · Treadwear 400

64
Toyo Celsius Sport

40,000 mi warranty · Treadwear 380

62
4 models

Best Winter Tires in 285/40R21

All Winter tires
Vredestein Wintrac ProValue3PMSF Snow

The Vredestein Wintrac Pro is a solid option for drivers dealing with moderate snow conditions, thanks to its snow traction score of 8.

  • Snow traction score of 8, which is competitive for winter conditions and suitable for moderate snow coverage.
  • Comfort score of 6.2 matches the winter category average, making it a decent choice for longer drives in cold conditions.

Lack of a treadwear warranty makes it less appealing for budget-conscious buyers who prioritize long-term cost efficiency.

Treadwear 500Traction A
Spec score73estimated
Details

The Nokian Hakkapeliitta R5 SUV is a solid choice for snowbelt SUV owners who prioritize snow traction and longevity.

  • Snow traction score of 8 matches the winter category's expectations, making it reliable for snowy conditions.
  • Treadwear warranty of 65,000 miles exceeds the category average of 54,431 miles, offering longer service life than many winter tires.

Lack of ice traction data might be a concern for those prioritizing icy surface performance.

30,000 mi warranty
Spec score59estimated
Details

The Pirelli Scorpion Winter 2 is best suited for drivers who prioritize treadlife and dry road performance in a winter tire.

  • Snow traction score of 8 meets the winter category average, ensuring reliable performance in snowy conditions.
  • Dry grip and handling both score 8.5, significantly above the category averages of 7.1, making it a strong performer on dry winter roads.

Lack of specific ice traction data might be a concern for those in areas with frequent icy conditions.

Spec scoreestimated
Details
4 models

Best Touring All-Season Tires in 285/40R21

All Touring All-Season tires

The Pirelli Scorpion Verde All Season is a solid choice for drivers who value comfort and noise reduction in their daily commute.

  • Above-average wet grip score of 7.5, outperforming the category benchmark of 6.9.
  • Comfort and noise scores both at 8, matching the category averages for a smooth and quiet ride.

The lack of a treadwear warranty and a low UTQG rating of 520 suggest a shorter lifespan, which can increase long-term costs.

Treadwear 520Traction A
Spec score73estimated
Details

The Hankook iON evo AS SUV is a solid choice for SUV owners prioritizing wet grip and comfort in a touring all-season tire.

  • Treadlife rating of 7.8 aligns with the category average, supported by a 50,000-mile warranty.
  • Wet grip score of 7.5 exceeds the category average of 6.9, providing reliable performance in rainy conditions.

The 50,000-mile warranty is shorter than the category average, which may not suit high-mileage drivers looking for long-term value.

50,000 mi warrantyTreadwear 600Traction A
Spec score70estimated
Details

The Yokohama Geolandar X-CV is a solid choice for drivers who prioritize dry grip and handling in an all-terrain tire.

  • Dry grip score of 8 outperforms the all-terrain category average of 6.6, providing solid on-road traction.
  • Handling score of 8 is above average for the segment, making it a good choice for drivers who prioritize responsive steering.

Lacks a 3PMSF rating, making it less suitable for drivers who encounter severe winter conditions.

50,000 mi warrantyTreadwear 520Traction A
Spec score68estimated
Details
3 models

Best All-Terrain Tires in 285/40R21

All All-Terrain tires

The Pirelli Scorpion Verde is a solid choice for all-terrain enthusiasts who value wet grip and treadwear warranty.

  • Off-road traction benefits from a wet grip score of 8, significantly above the category average of 5.2.
  • The 70,000-mile treadwear warranty is well above the all-terrain category average of 55,717 miles, promising longer use.

The UTQG treadwear rating of 400 could mean a shorter lifespan for those who prioritize maximum durability.

Treadwear 400Traction AA
Spec score79estimated
Details

The Pirelli Scorpion Zero All Season is a solid choice for those who need a durable all-terrain tire with a focus on treadlife and handling.

  • Off-road traction is supported by a robust tread pattern and a UTQG treadwear rating of 500, promising durability.
  • Treadwear warranty of 60,000 miles exceeds the category average of 55,717 miles, offering longer coverage than many competitors.

If severe winter performance is a priority, the lack of 3PMSF certification means this tire might not meet your needs.

Treadwear 500Traction A
Spec score73estimated
Details

The Pirelli Scorpion MS is a solid choice for those who need a reliable all-terrain tire with a strong focus on treadlife and dry grip.

  • Off-road traction is supported by a 7.5 treadlife score and a 60,000-mile warranty, which is above the category average of 55,717 miles.
  • Dry grip rating of 7 exceeds the category average of 6.6, offering solid performance on paved surfaces.

Lacks the 3PMSF certification, making it less suitable for drivers who need a tire for severe winter conditions.

60,000 mi warrantyTreadwear 500Traction A
Spec score71estimated
Details
1 model

Best Performance All-Season Tires in 285/40R21

All Performance All-Season tires

The ExtremeContact DWS 06 Plus is a strong contender for drivers who prioritize treadlife and dry handling in a performance all-season tire.

  • Treadlife score of 9.5 is significantly above the category average, supported by a 50,000-mile warranty.
  • Dry grip and handling both score 8, making it a solid choice for spirited driving in various conditions.

Wet grip performance lags slightly behind some competitors, which could be a concern in regions with frequent rain.

50,000 mi warrantyTreadwear 560Traction A
Spec score73estimated
Details
1 model

Best Highway All-Season Truck Tires in 285/40R21

All Highway All-Season Truck tires

The Bridgestone Dueler H/P Sport is a strong contender for highway all-season truck drivers who value a high treadwear warranty and solid dry grip.

  • 80,000-mile treadwear warranty significantly exceeds the highway all-season category average of 61,048 miles.
  • Dry grip score of 8.5 is well above the category average of 7.7, offering reliable performance in dry conditions.

The low UTQG treadwear rating of 300 may lead to faster wear than expected, despite the high mileage warranty.

Treadwear 300Traction A
Spec score71estimated
Details
Fitment

Vehicles Using 285/40R21

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Popular Brands in 285/40R21

Size decoded

What 285/40R21 Means

285/40R21 designates a tire 285 mm (11.2") wide with a sidewall 40% as tall as it is wide — about 114 mm (4.5") — mounted on a 21-inch wheel. That works out to an overall diameter of roughly 30.0", a circumference of about 94.2", and approximately 673 revolutions per mile. Exact figures vary slightly by manufacturer and tread design.

114 mm

Sidewall height

30.0"

Overall diameter

94.2"

Circumference

673

Revs per mile

Of the 31 285/40R21 tire models we track, the most common category is ultra high performance summer (12 models), followed by grand touring all season (6) — a good indicator of the kind of vehicles and driving this size is designed for.

Before you buy

Frequently Asked Questions

What does 285/40R21 mean?
285/40R21 breaks down as follows: 285mm is the tire's section width (the widest point), 40 is the aspect ratio (sidewall height as a percentage of width), R means radial construction, and 21 is the wheel diameter in inches.
What vehicles use 285/40R21 tires?
285/40R21 is a common fitment for vehicles like the 2025 Audi SQ7, 2025 Porsche Cayenne Coupe, 2025 Audi Q7, 2024 Audi Q7 and others. Always confirm your specific trim's fitment before purchasing.
How tall is a 285/40R21 tire?
A 285/40R21 tire has a sidewall height of about 114 mm (4.5") and an overall diameter of roughly 30.0", turning approximately 673 revolutions per mile. Actual dimensions vary slightly by manufacturer and model, so confirm against your vehicle's placard before changing sizes.

285/40R21 Research Guides

Confirm 285/40R21 fits your vehicle

Wheel size can vary by trim and option package. Enter your year, make, model, and trim to verify fitment before you order.

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