Tire Scouter

315/30R21 tires

Compare 17 models made in this size across 4 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 315/30R21

Continental ContiSportContact 5P

  • Ultra high performance summer

Best for performance enthusiasts.

The ContiSportContact 5P is a solid choice for drivers who value high performance in both dry and wet conditions.

  • Dry grip rating of 9, which is above the category average of 8.7, making it a strong performer for spirited driving.
  • Wet grip also scores a 9, significantly higher than the category average of 7.6, providing confidence in rainy conditions.
  • Handling score of 9 ensures precise steering and responsiveness, ideal for performance enthusiasts.
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 315/30R21.

79Strong
None listed
280
AA
Y · 186 mph

Every scale below runs from the lowest to the highest spec score among the 13 scored tires in 315/30R21 (55 to 79).

Best ultra high performance summer tires in 315/30R21

14 models, highest spec score first.

All ultra high performance summer tires

  1. Continental ContiSportContact 5P

    Best for performance enthusiasts.

    79StrongFrom 4 of 5 specs
    Warranty
    None listed
    Treadwear
    280
    Traction
    AA
    Speed rating
    Y · 186 mph
    • Dry grip rating of 9, which is above the category average of 8.7, making it a strong performer for spirited driving.
    • Wet grip also scores a 9, significantly higher than the category average of 7.6, providing confidence in rainy conditions.
    • If you prioritize high-speed capability, the Michelin Pilot Sport 4S with its higher speed rating might be a better choice.

  2. Yokohama ADVAN Sport V107

    Best for performance enthusiasts.

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

  3. Pirelli P Zero R

    Best for performance enthusiasts.

    77StrongFrom 4 of 5 specs
    Warranty
    None listed
    Treadwear
    280
    Traction
    AA
    Speed rating
    V · 149 mph
    • Dry grip score of 9 matches the top end of the ultra-high performance summer category, exceeding the average of 8.7.
    • Wet grip also scores a 9, significantly above the category average of 7.6, making it a strong performer in wet conditions.
    • The lack of a treadwear warranty could be a concern for those looking for a longer-lasting performance tire.

  4. Michelin Pilot Sport All Season 4

    Best for enthusiast drivers.

    76Strong
    Warranty
    45k mi
    Treadwear
    540
    Traction
    AA
    Speed rating
    V · 149 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).
Show 10 more ultra high performance summer tires

  1. Pirelli P Zero PZ4 Sport NCS

    Best for performance enthusiasts.

    75StrongFrom 4 of 5 specs
    Warranty
    None listed
    Treadwear
    500
    Traction
    A
    Speed rating
    V · 149 mph

  2. Michelin Pilot Sport 4S

    Best for enthusiast drivers.

    68Good
    Warranty
    30k mi
    Treadwear
    300
    Traction
    AA
    Speed rating
    V · 149 mph

  3. Pirelli P Zero Corsa (PZC4)

    Best for wet-weather performance enthusiasts.

    68GoodFrom 4 of 5 specs
    Warranty
    None listed
    Treadwear
    80
    Traction
    A
    Speed rating
    Y · 186 mph

  4. Michelin Pilot Sport Cup 2

    Best for track enthusiasts.

    65Good
    Warranty
    30k mi
    Treadwear
    180
    Traction
    AA
    Speed rating
    V · 149 mph

  5. Michelin Pilot Sport 4

    Best for enthusiast drivers.

    61Good
    Warranty
    20k mi
    Treadwear
    320
    Traction
    A
    Speed rating
    Y · 186 mph

  6. Michelin Pilot Sport A/S 3 Plus

    Best for enthusiastic drivers.

    68GoodFrom 2 of 5 specs
    Warranty
    45k mi
    Treadwear
    Not graded
    Traction
    Not graded
    Speed rating
    Y · 186 mph

  7. Michelin Pilot Sport Cup 2 CN

    Best for track enthusiasts.

    55FairFrom 3 of 5 specs
    Warranty
    30k mi
    Treadwear
    500
    Traction
    Not graded
    Speed rating
    V · 149 mph

  8. 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

  9. Goodyear Eagle F1 SuperSport

    Best for wet-weather performance enthusiasts.

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

  10. Goodyear Eagle F1 Supersport R

    Best for wet weather enthusiasts.

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

Best grand touring all-season tires in 315/30R21

1 model, highest spec score first.

All grand touring all-season tires

  1. Pirelli Cinturato P7 All Season

    Best for dry-weather commuters.

    75StrongFrom 4 of 5 specs
    Warranty
    None listed
    Treadwear
    500
    Traction
    A
    Speed rating
    V · 149 mph
    • Treadwear rating of 500 suggests decent longevity, though no specific mileage warranty is provided.
    • Dry grip score of 8.5 surpasses the category average of 7.8, offering confident handling on dry roads.
    • No treadwear mileage warranty, which may lead to higher long-term costs compared to competitors with guaranteed mileage.

Best touring all-season tires in 315/30R21

1 model, highest spec score first.

All touring all-season tires

  1. Pirelli Cinturato P7 AS NCS

    Best for drivers prioritizing dry road performance.

    75StrongFrom 4 of 5 specs
    Warranty
    None listed
    Treadwear
    500
    Traction
    A
    Speed rating
    V · 149 mph
    • Treadwear rating of 500 suggests solid longevity, though no mileage warranty is provided.
    • Dry grip score of 8.5 exceeds the category average of 7.8, making it a strong performer on dry roads.
    • Lack of a treadwear warranty could be a concern for those looking for guaranteed long-term durability.

Best winter tires in 315/30R21

1 model, highest spec score first.

All winter tires

  1. Pirelli Winter Sottozero 3

    Severe-snow rated

    Best for high-mileage winter drivers.

    Not enough spec data
    Warranty
    None listed
    Treadwear
    Not graded
    Traction
    Not graded
    Speed rating
    Y · 186 mph
    • 50,000-mile treadwear warranty is notable for a winter tire, offering longevity that many competitors don't match.
    • Dry grip score of 8.5 exceeds the winter category average of 7.1, making it a strong performer on clear roads.
    • Lack of ice traction data may be a concern for drivers who frequently encounter icy roads.

Popular brands in 315/30R21

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

What 315/30R21 means

315/30R21 designates a tire 315 mm (12.4") wide with a sidewall 30% as tall as it is wide — about 95 mm (3.7") — mounted on a 21-inch wheel. That works out to an overall diameter of roughly 28.4", a circumference of about 89.3", and approximately 709 revolutions per mile. Exact figures vary slightly by manufacturer and tread design.

Of the 17 315/30R21 tire models we track, the most common category is ultra high performance summer (14 models), followed by grand touring all-season (1) — a good indicator of the kind of vehicles and driving this size is designed for.

Sidewall height
95 mm
Overall diameter
28.4 in
Circumference
89.3 in
Revs per mile
709

Frequently asked questions

What does 315/30R21 mean?

315/30R21 breaks down as follows: 315mm is the tire's section width (the widest point), 30 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 315/30R21 tires?

315/30R21 is a standard tire size found on many trucks, SUVs, and crossovers. Use our vehicle search to confirm your exact fitment.

How tall is a 315/30R21 tire?

A 315/30R21 tire has a sidewall height of about 95 mm (3.7") and an overall diameter of roughly 28.4", turning approximately 709 revolutions per mile. Actual dimensions vary slightly by manufacturer and model, so confirm against your vehicle's placard before changing sizes.

315/30R21 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 315/30R21 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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