Tire Scouter

315/30R20 tires

Compare 11 models made in this size across 2 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 315/30R20

Michelin Pilot Sport Cup 2

  • Ultra high performance summer

Best for track enthusiasts.

The Michelin Pilot Sport Cup 2 is designed for drivers who prioritize dry grip and handling above all else.

  • Perfect dry grip score of 10, setting the standard in the ultra-high-performance summer category.
  • Wet grip rating of 9 exceeds the category average of 7.6, offering strong performance in damp conditions.
  • Handling score of 10, reflecting precise and responsive control, ideal for spirited driving.
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 315/30R20.

77Strong
None listed
180
AA
Y · 186 mph

Every scale below runs from the lowest to the highest spec score among the 4 scored tires in 315/30R20 (69 to 77).

Best ultra high performance summer tires in 315/30R20

10 models, highest spec score first.

All ultra high performance summer tires

  1. Michelin Pilot Sport Cup 2

    Best for track enthusiasts.

    77StrongFrom 4 of 5 specs
    Warranty
    None listed
    Treadwear
    180
    Traction
    AA
    Speed rating
    Y · 186 mph
    • Perfect dry grip score of 10, setting the standard in the ultra-high-performance summer category.
    • Wet grip rating of 9 exceeds the category average of 7.6, offering strong performance in damp conditions.
    • The 30,000-mile treadwear warranty may not justify the cost for those seeking longevity over peak performance.

  2. Pirelli P Zero Trofeo R

    Best for track-day enthusiasts.

    73Strong
    Warranty
    55k mi
    Treadwear
    60
    Traction
    AA
    Speed rating
    W · 168 mph
    • Dry grip and handling both score a perfect 10, making the P Zero Trofeo R a top choice for track enthusiasts.
    • Wet grip rating of 9 significantly surpasses the category average of 7.6, offering impressive performance in wet conditions for a summer tire.
    • The extremely low treadwear rating of 60 means frequent replacements, which can be costly for non-track use.

  3. Michelin Pilot Sport 4S

    Best for enthusiast drivers.

    69Good
    Warranty
    30k mi
    Treadwear
    300
    Traction
    AA
    Speed rating
    Y · 186 mph
    • Dry grip score of 10 leads the ultra high performance summer category, ideal for spirited driving.
    • Wet grip score of 9 significantly exceeds the category average of 7.6, enhancing safety in wet conditions.
    • The 30,000-mile treadwear warranty may fall short for drivers who cover extensive distances annually.

  4. Nitto NT555 G2

    Best for enthusiast drivers.

    76StrongFrom 3 of 5 specs
    Warranty
    None listed
    Treadwear
    320
    Traction
    AA
    Speed rating
    Not listed
    • Perfect dry grip score of 10, significantly above the category average of 8.7, ideal for spirited driving.
    • Wet grip rating of 9 outpaces the ultra-high-performance summer average of 7.6, enhancing safety in wet conditions.
    • Lack of a treadwear warranty could deter buyers looking for a guaranteed lifespan, especially when competitors offer one.
Show 6 more ultra high performance summer tires

  1. Atturo AZ850

    Best for dry-weather enthusiasts.

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

  2. Atturo AZ850 DR

    Best for track enthusiasts.

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

  3. Pirelli P Zero PZ4 Luxury

    Best for dry condition enthusiasts.

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

  4. Toyo Proxes R

    Best for track enthusiasts.

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

  5. Nitto NT01

    Best for track enthusiasts.

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

  6. Toyo Proxes R888R

    Best for track enthusiasts.

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

Best max performance summer tires in 315/30R20

1 model, highest spec score first.

All max performance summer tires

  1. Toyo Proxes RR

    Best for track enthusiasts.

    Not enough spec data
    Warranty
    None listed
    Treadwear
    Not graded
    Traction
    Not graded
    Speed rating
    Y · 186 mph
    • Dry grip score of 8 is solid, though it trails the ultra-high-performance summer category average of 8.7.
    • Handling response is rated at 8, making it a strong choice for drivers who prioritize cornering stability and feedback.
    • Its wet grip score is far below average, making it unsuitable for those who frequently drive in wet conditions.

Popular brands in 315/30R20

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

What 315/30R20 means

315/30R20 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 20-inch wheel. That works out to an overall diameter of roughly 27.4", a circumference of about 86.2", and approximately 735 revolutions per mile. Exact figures vary slightly by manufacturer and tread design.

Of the 11 315/30R20 tire models we track, the most common category is ultra high performance summer (10 models), followed by max performance summer (1) — a good indicator of the kind of vehicles and driving this size is designed for.

Sidewall height
95 mm
Overall diameter
27.4 in
Circumference
86.2 in
Revs per mile
735

Frequently asked questions

What does 315/30R20 mean?

315/30R20 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 20 is the wheel diameter in inches.

What vehicles use 315/30R20 tires?

315/30R20 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 315/30R20 tire?

A 315/30R20 tire has a sidewall height of about 95 mm (3.7") and an overall diameter of roughly 27.4", turning approximately 735 revolutions per mile. Actual dimensions vary slightly by manufacturer and model, so confirm against your vehicle's placard before changing sizes.

315/30R20 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 315/30R20 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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