Tire Scouter

315/30R18 tires

Compare 7 models made in this size across 1 category, 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 315/30R18

Falken Azenis RT660

  • Ultra high performance summer

Best for weekend track enthusiasts.

The Falken Azenis RT660 is a compelling option for drivers who prioritize dry grip and handling response.

  • Dry grip score of 9 surpasses the category average of 8.7, making it a strong choice for spirited driving.
  • Handling rating of 9 indicates precise and responsive steering, ideal for performance enthusiasts.
  • Comfort score matches the category average, which is decent for an ultra-high-performance summer tire.
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 315/30R18.

68Good
None listed
200
A
W · 168 mph

Every scale below runs from the lowest to the highest spec score among the 4 scored tires in 315/30R18 (65 to 68).

Best ultra high performance summer tires in 315/30R18

7 models, highest spec score first.

All ultra high performance summer tires

  1. Falken Azenis RT660

    Best for weekend track enthusiasts.

    68GoodFrom 4 of 5 specs
    Warranty
    None listed
    Treadwear
    200
    Traction
    A
    Speed rating
    W · 168 mph
    • Dry grip score of 9 surpasses the category average of 8.7, making it a strong choice for spirited driving.
    • Handling rating of 9 indicates precise and responsive steering, ideal for performance enthusiasts.
    • Wet grip performance is below average, making it less ideal for those frequently driving in rainy conditions.

  2. Yokohama ADVAN A052

    Best for track enthusiasts.

    68GoodFrom 4 of 5 specs
    Warranty
    None listed
    Treadwear
    200
    Traction
    A
    Speed rating
    Y · 186 mph
    • Perfect dry grip and handling scores of 10, setting a high bar in the ultra-high-performance summer category.
    • Comfort and noise scores align with category averages, making it livable for spirited driving without excessive harshness or noise.
    • Wet grip performance trails the category, making it less suitable for those who frequently drive in rainy conditions.

  3. Falken Azenis RT615K+

    Best for track enthusiasts.

    68GoodFrom 4 of 5 specs
    Warranty
    None listed
    Treadwear
    200
    Traction
    A
    Speed rating
    W · 168 mph
    • Perfect 10 dry grip and handling scores make it a standout for aggressive driving and track use.
    • Comfort and noise scores are on par with the category averages, ensuring a tolerable ride for a performance tire.
    • Wet grip performance is below average for the category, making it less suitable for frequent wet conditions.

  4. Michelin Pilot Sport PS2

    Best for enthusiast drivers.

    65Good
    Warranty
    20k mi
    Treadwear
    220
    Traction
    AA
    Speed rating
    Y · 186 mph
    • Dry grip score of 9 surpasses the category average of 8.7, making it a strong choice for spirited driving.
    • Wet grip also rated at 9, well above the category average of 7.6, which is reassuring for summer rainstorms.
    • The 20,000-mile treadwear warranty is less than the category average, which could be a concern for those looking for longer-lasting performance tires.
Show 3 more ultra high performance summer tires

  1. 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

  2. Nitto NT01

    Best for track enthusiasts.

    Not enough spec data
    Warranty
    None listed
    Treadwear
    Not graded
    Traction
    Not graded
    Speed rating
    W · 168 mph

  3. 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

Popular brands in 315/30R18

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

What 315/30R18 means

315/30R18 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 18-inch wheel. That works out to an overall diameter of roughly 25.4", a circumference of about 79.9", and approximately 793 revolutions per mile. Exact figures vary slightly by manufacturer and tread design.

Of the 7 315/30R18 tire models we track, the most common category is ultra high performance summer (7 models) — a good indicator of the kind of vehicles and driving this size is designed for.

Sidewall height
95 mm
Overall diameter
25.4 in
Circumference
79.9 in
Revs per mile
793

Frequently asked questions

What does 315/30R18 mean?

315/30R18 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 18 is the wheel diameter in inches.

What vehicles use 315/30R18 tires?

315/30R18 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 315/30R18 tire?

A 315/30R18 tire has a sidewall height of about 95 mm (3.7") and an overall diameter of roughly 25.4", turning approximately 793 revolutions per mile. Actual dimensions vary slightly by manufacturer and model, so confirm against your vehicle's placard before changing sizes.

315/30R18 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 315/30R18 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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