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Tire Size Guide

335/30R21 Tires

Compare 2 available models across 1 categories, then confirm fitment for your vehicle.

Our Top Pick in 335/30R21
Michelin Pilot Sport Cup 2 CN
Ultra High Performance SummerPerformance

The Michelin Pilot Sport Cup 2 CN is tailored for drivers who prioritize dry grip and handling, scoring 9 in both areas, which is above the category average of 8.7.

Dry grip score of 9 surpasses the category average of 8.7, making it a strong choice for track enthusiasts. Handling score of 9 ensures precise control and responsiveness, aligning well with performance-focused driving. Treadlife warranty of 55,000 miles significantly exceeds the category average of 37,754 miles, offering extended use for an ultra-high-performance tire.
56Spec score (est.)
Full analysis
2 models

Best Ultra High Performance Summer Tires in 335/30R21

All Ultra High Performance Summer tires
Michelin Pilot Sport Cup 2 CNPerformance

The Michelin Pilot Sport Cup 2 CN is tailored for drivers who prioritize dry grip and handling, scoring 9 in both areas, which is above the category average of 8.7.

  • Dry grip score of 9 surpasses the category average of 8.7, making it a strong choice for track enthusiasts.
  • Handling score of 9 ensures precise control and responsiveness, aligning well with performance-focused driving.

Wet grip performance is below the category average, which could be a concern for those frequently driving in wet conditions.

Treadwear 240
Spec score56estimated
Details
Goodyear Eagle F1 Supersport RPerformance

The Goodyear Eagle F1 SuperSport R is tailored for drivers who prioritize wet grip, boasting a score of 9 that surpasses the category average of 7.6.

  • Wet grip score of 9 outperforms the category average of 7.6, making it a strong choice for rainy conditions.
  • Dry grip and handling both rated at 8, providing reliable performance for spirited driving.

Short tread life with no mileage warranty makes it less cost-effective for drivers seeking longevity.

Spec score—estimated
Details
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Popular Brands in 335/30R21

Michelin · 1Goodyear · 1
Size decoded

What 335/30R21 Means

335/30R21 designates a tire 335 mm (13.2") wide with a sidewall 30% as tall as it is wide — about 101 mm (4.0") — mounted on a 21-inch wheel. That works out to an overall diameter of roughly 28.9", a circumference of about 90.8", and approximately 698 revolutions per mile. Exact figures vary slightly by manufacturer and tread design.

101 mm

Sidewall height

28.9"

Overall diameter

90.8"

Circumference

698

Revs per mile

Of the 2 335/30R21 tire models we track, the most common category is ultra high performance summer (2 models) — a good indicator of the kind of vehicles and driving this size is designed for.

Before you buy

Frequently Asked Questions

What does 335/30R21 mean?
335/30R21 breaks down as follows: 335mm 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 335/30R21 tires?
335/30R21 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 335/30R21 tire?
A 335/30R21 tire has a sidewall height of about 101 mm (4.0") and an overall diameter of roughly 28.9", turning approximately 698 revolutions per mile. Actual dimensions vary slightly by manufacturer and model, so confirm against your vehicle's placard before changing sizes.

335/30R21 Research Guides

Buying Guide

Speed Rating Chart

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

Read guide

Buying Guide

UTQG Ratings Explained

Understand treadwear, traction, and temperature grades and when UTQG comparisons are useful.

Read guide

Buying Guide

When to Replace Tires

Know the real tread-depth, age, and wear-pattern signs that mean your tires are ready to be replaced.

Read guide

Confirm 335/30R21 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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