Tire Scouter

275/40R21 tires

Compare 27 models made in this size across 7 categories, ranked by spec score, then confirm fitment for your vehicle.

Spec scores are estimates from five manufacturer specs, not road tests. How we score

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Our top pick in 275/40R21

Pirelli P Zero Run Flat (PZ4)

  • Ultra high performance summer

Best for wet-weather enthusiasts.

The Pirelli P Zero Run Flat (PZ4) is a solid choice for those who prioritize wet grip, boasting a score of 9, which is well above the category average of 7.6.

  • Wet grip score of 9 is notably above the category average of 7.6, making it a strong performer in rainy conditions.
  • Treadlife score of 7.5 is respectable for an ultra-high-performance summer tire, given the category's focus on grip and handling.
  • Handling score of 8 aligns well with the category's performance expectations, providing a responsive driving experience.
Full analysis

The highest spec score among ultra high performance summer tires in this size that we have analysis for, the most common category for 275/40R21.

80Strong
None listed
320
AA
Y · 186 mph

Every scale below runs from the lowest to the highest spec score among the 24 scored tires in 275/40R21 (53 to 85).

Best ultra high performance summer tires in 275/40R21

11 models, highest spec score first.

All ultra high performance summer tires

  1. Pirelli P Zero Run Flat (PZ4)

    Best for wet-weather enthusiasts.

    80StrongFrom 4 of 5 specs
    Warranty
    None listed
    Treadwear
    320
    Traction
    AA
    Speed rating
    Y · 186 mph
    • Wet grip score of 9 is notably above the category average of 7.6, making it a strong performer in rainy conditions.
    • Treadlife score of 7.5 is respectable for an ultra-high-performance summer tire, given the category's focus on grip and handling.
    • The 'R' speed rating may not satisfy drivers seeking the highest speed capabilities typical of ultra-high-performance summer tires.

  2. Pirelli P Zero (PZ4)

    Best for drivers in wet climates.

    79StrongFrom 4 of 5 specs
    Warranty
    None listed
    Treadwear
    280
    Traction
    AA
    Speed rating
    Y · 186 mph
    • Wet grip score of 9 exceeds the ultra high performance summer category average of 7.6, making it a strong performer in rainy conditions.
    • Dry grip and handling both score 8, which aligns well with the category's focus on performance driving.
    • The lack of a treadwear warranty could be a concern for buyers looking for a guaranteed lifespan from their performance tires.

  3. Michelin Pilot Sport All Season 4

    Best for enthusiast drivers.

    78Strong
    Warranty
    45k mi
    Treadwear
    540
    Traction
    AA
    Speed rating
    Y · 186 mph
    • 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).

  4. Toyo Proxes Sport SUV

    Best for wet-weather enthusiasts.

    78StrongFrom 4 of 5 specs
    Warranty
    None listed
    Treadwear
    240
    Traction
    AA
    Speed rating
    Y · 186 mph
    • Wet grip score of 9 significantly exceeds the category average of 7.6, making it a strong performer in rainy conditions.
    • Dry grip and handling both score 8, providing reliable performance for spirited driving typical of the ultra-high-performance summer category.
    • The lack of a treadwear warranty may deter budget-conscious buyers who plan on high mileage use.
Show 7 more ultra high performance summer tires

  1. Yokohama ADVAN Sport V105

    Best for performance enthusiasts.

    78StrongFrom 4 of 5 specs
    Warranty
    None listed
    Treadwear
    240
    Traction
    AA
    Speed rating
    Y · 186 mph

  2. Goodyear Eagle F1 Asymmetric 6

    Best for performance enthusiasts.

    78StrongFrom 4 of 5 specs
    Warranty
    None listed
    Treadwear
    260
    Traction
    AA
    Speed rating
    Y · 186 mph

  3. Hankook Ventus S1 evo3 SUV HRS

    Best for SUV drivers seeking balanced performance.

    69GoodFrom 4 of 5 specs
    Warranty
    None listed
    Treadwear
    220
    Traction
    A
    Speed rating
    Y · 186 mph

  4. Yokohama ADVAN Sport V107E

    Best for dry-weather enthusiasts.

    66Good
    Warranty
    50k mi
    Treadwear
    240
    Traction
    A
    Speed rating
    W · 168 mph

  5. Michelin Pilot Sport 4 SUV ZP

    Best for SUV owners seeking performance.

    59Fair
    Warranty
    20k mi
    Treadwear
    220
    Traction
    A
    Speed rating
    Y · 186 mph

  6. Michelin Pilot Sport EV

    Best for performance enthusiasts.

    53Fair
    Warranty
    20k mi
    Treadwear
    220
    Traction
    B
    Speed rating
    W · 168 mph

  7. Pirelli P Zero PZ4 Sport

    Best for performance enthusiasts.

    Not enough spec data
    Warranty
    None listed
    Treadwear
    Not graded
    Traction
    Not graded
    Speed rating
    Y · 186 mph

Best touring all-season tires in 275/40R21

6 models, highest spec score first.

All touring all-season tires

  1. Bridgestone Alenza AS Ultra

    Best for long-distance commuters.

    85Excellent
    Warranty
    80k mi
    Treadwear
    800
    Traction
    A
    Speed rating
    W · 168 mph
    • Impressive treadlife with a 9.5 score and an 80,000-mile warranty, significantly above the category average of 64,578 miles.
    • Wet grip score of 7.5 exceeds the category average of 6.9, providing reliable performance in rainy conditions.
    • The dry grip performance is slightly below average, which may not suit drivers prioritizing maximum dry road performance.

  2. Pirelli Scorpion Verde All Season

    Best for daily commuters seeking comfort.

    78StrongFrom 4 of 5 specs
    Warranty
    None listed
    Treadwear
    600
    Traction
    A
    Speed rating
    V · 149 mph
    • 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.

  3. Hankook iON evo AS SUV

    Best for everyday SUV drivers.

    74Strong
    Warranty
    50k mi
    Treadwear
    600
    Traction
    A
    Speed rating
    Y · 186 mph
    • 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.

  4. Yokohama Geolandar X-CV

    Best for on-road focused SUV drivers.

    72Strong
    Warranty
    50k mi
    Treadwear
    520
    Traction
    A
    Speed rating
    W · 168 mph
    • 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.
Show 2 more touring all-season tires

  1. Continental CrossContact RX

    Best for comfort-focused drivers.

    70GoodFrom 4 of 5 specs
    Warranty
    None listed
    Treadwear
    400
    Traction
    A
    Speed rating
    H · 130 mph

  2. Uniroyal Tiger Paw Touring A/S

    Best for daily drivers seeking balanced performance.

    74StrongFrom 3 of 5 specs
    Warranty
    65k mi
    Treadwear
    600
    Traction
    Not graded
    Speed rating
    W · 168 mph

Best winter tires in 275/40R21

4 models, highest spec score first.

All winter tires

  1. Nokian Hakkapeliitta R5 SUV

    Severe-snow rated

    Best for snowbelt SUV owners.

    72StrongFrom 2 of 5 specs
    Warranty
    60k mi
    Treadwear
    Not graded
    Traction
    Not graded
    Speed rating
    V · 149 mph
    • 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.

  2. Michelin Pilot Alpin 5 SUV

    Severe-snow rated

    Best for SUV owners in snowy regions.

    54FairFrom 2 of 5 specs
    Warranty
    30k mi
    Treadwear
    Not graded
    Traction
    Not graded
    Speed rating
    V · 149 mph
    • Snow traction score of 8, which is solid for winter conditions and ensures reliable performance in snowy environments.
    • Treadwear warranty of 30,000 miles is a plus for a winter tire, providing some assurance on longevity.
    • If you prioritize a quiet and comfortable ride above all else, this tire's average noise and comfort scores might not meet your expectations.

  3. Pirelli Scorpion Winter Run Flat

    Severe-snow rated

    Best for drivers in snowy regions.

    Not enough spec data
    Warranty
    None listed
    Treadwear
    Not graded
    Traction
    Not graded
    Speed rating
    V · 149 mph
    • Snow traction score of 8 is solid, meeting the needs of drivers in areas with frequent snowfall.
    • Comfort rating of 6.2 aligns with the category average, making it a reasonable choice for daily winter driving.
    • The lack of a treadwear warranty and below-average wet grip make it less appealing for those who drive frequently on wet winter roads.

  4. Pirelli Scorpion Winter

    Severe-snow rated

    Best for winter highway commuters.

    Not enough spec data
    Warranty
    None listed
    Treadwear
    Not graded
    Traction
    Not graded
    Speed rating
    V · 149 mph
    • 60,000-mile treadwear warranty exceeds the winter category average of 54,431 miles, offering longer usage before replacement.
    • Snow traction score of 8 matches the category average, ensuring reliable performance in typical winter conditions.
    • Lack of ice traction data may be a concern for those facing frequent icy conditions.

Best grand touring all-season tires in 275/40R21

3 models, highest spec score first.

All grand touring all-season tires

  1. Continental PremiumContact 6 SSR

    Best for comfort-focused drivers.

    71GoodFrom 4 of 5 specs
    Warranty
    None listed
    Treadwear
    280
    Traction
    A
    Speed rating
    Y · 186 mph
    • Comfort and noise ratings of 8 align with the category benchmarks, making it a quiet and smooth ride for long-distance travel.
    • Wet grip score of 7.5 slightly exceeds the category average of 7.4, which helps maintain traction during rainy conditions.
    • The lack of a treadwear warranty and low treadwear rating mean potentially higher long-term costs compared to competitors with warranties.

  2. Vredestein Quatrac Pro+

    Severe-snow rated

    Best for comfort-focused drivers.

    70Good
    Warranty
    50k mi
    Treadwear
    400
    Traction
    A
    Speed rating
    Y · 186 mph
    • 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.

  3. Michelin CrossClimate2

    Severe-snow rated

    Best for comfort-focused drivers.

    69Good
    Warranty
    60k mi
    Treadwear
    640
    Traction
    B
    Speed rating
    V · 149 mph
    • Comfort and noise scores of 8 match the category average, ensuring a smooth and quiet ride typical of grand touring all-season tires.
    • Treadlife rating of 8.17 and a 60,000-mile warranty provide solid longevity, slightly below the category average but still competitive.
    • Wet grip performance is notably below average, which could be a dealbreaker for drivers in rainy climates.

Best all-terrain tires in 275/40R21

1 model, highest spec score first.

All all-terrain tires

  1. Pirelli Scorpion Verde

    Best for long-distance adventurers.

    83StrongFrom 4 of 5 specs
    Warranty
    None listed
    Treadwear
    400
    Traction
    AA
    Speed rating
    Y · 186 mph
    • 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.

Best max performance summer tires in 275/40R21

1 model, highest spec score first.

All max performance summer tires

  1. Continental PremiumContact 6

    Best for enthusiast drivers.

    75StrongFrom 4 of 5 specs
    Warranty
    None listed
    Treadwear
    280
    Traction
    AA
    Speed rating
    H · 130 mph
    • Dry grip score of 9, which is above the category average of 8.2, making it a strong performer in dry conditions.
    • Wet grip also scores a 9, exceeding the average of 7.9, ensuring reliable performance during rain.
    • Average comfort and noise scores may deter those looking for a quieter, more comfortable ride in a max performance summer tire.

Best performance all-season tires in 275/40R21

1 model, highest spec score first.

All performance all-season tires

  1. Continental ExtremeContact DWS 06 Plus

    Best for high-mileage drivers.

    73Strong
    Warranty
    50k mi
    Treadwear
    560
    Traction
    A
    Speed rating
    Y · 186 mph
    • 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.

Vehicles that use 275/40R21

A sample of recent vehicles whose factory front size is 275/40R21. Sizes can vary by trim, so confirm yours before you buy.

  • 2026 BMW X5
  • 2026 BMW X5 xDrive
  • 2026 BMW X6 xDrive
  • 2025 Acura MDX
  • 2025 BMW X5
  • 2025 BMW X5 xDrive
  • 2025 BMW X6 xDrive
  • 2025 Cadillac OPTIQ
  • 2025 Chevrolet Equinox EV
  • 2025 Mercedes-Benz EQE AMG
  • 2025 Mercedes-Benz EQS AMG
  • 2025 VinFast VF9

Showing 12 of the most recent.

Popular brands in 275/40R21

The number beside each brand is how many of its models come in this size.

What 275/40R21 means

275/40R21 designates a tire 275 mm (10.8") wide with a sidewall 40% as tall as it is wide — about 110 mm (4.3") — mounted on a 21-inch wheel. That works out to an overall diameter of roughly 29.7", a circumference of about 93.2", and approximately 680 revolutions per mile. Exact figures vary slightly by manufacturer and tread design.

Of the 27 275/40R21 tire models we track, the most common category is ultra high performance summer (11 models), followed by touring all-season (6) — a good indicator of the kind of vehicles and driving this size is designed for.

Sidewall height
110 mm
Overall diameter
29.7 in
Circumference
93.2 in
Revs per mile
680

Frequently asked questions

What does 275/40R21 mean?

275/40R21 breaks down as follows: 275mm 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 275/40R21 tires?

275/40R21 is a common fitment for vehicles like the 2026 BMW X5, 2026 BMW X5 xDrive, 2026 BMW X6 xDrive, 2025 Acura MDX and others. Always confirm your specific trim's fitment before purchasing.

How tall is a 275/40R21 tire?

A 275/40R21 tire has a sidewall height of about 110 mm (4.3") and an overall diameter of roughly 29.7", turning approximately 680 revolutions per mile. Actual dimensions vary slightly by manufacturer and model, so confirm against your vehicle's placard before changing sizes.

275/40R21 research guides

Summer vs all-season tires

Where summer tires lose grip, the cold-cracking risk, and what all-season tires trade for their range.

Read the guide

Speed rating chart

A practical chart for common tire speed ratings and what they mean for everyday driving.

Read the guide

Changing tire size

Plus-sizing and alternate sizes: diameter limits, load and speed ratings, and speedometer error.

Read the guide

Confirm 275/40R21 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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