Tire Size Guide

355/25R21 Tires

Compare 6 available models across 1 categories, then confirm fitment for your vehicle.

Our Top Pick in 355/25R21
Pirelli P Zero
Ultra High Performance SummerPerformance

The Pirelli P Zero is a strong choice for those who prioritize dry grip and handling precision above all else.

Dry grip and handling scores are both perfect 10s, setting a high bar for the ultra-high-performance summer category. Wet grip rating of 9 surpasses the category average of 7.6, making it reliable in summer rain. Treadwear warranty of 50,000 miles is above the category average, offering extended durability for a performance tire.
77Spec score (est.)
Full analysis
6 models

Best Ultra High Performance Summer Tires in 355/25R21

All Ultra High Performance Summer tires
Pirelli P ZeroPerformance

The Pirelli P Zero is a strong choice for those who prioritize dry grip and handling precision above all else.

  • Dry grip and handling scores are both perfect 10s, setting a high bar for the ultra-high-performance summer category.
  • Wet grip rating of 9 surpasses the category average of 7.6, making it reliable in summer rain.

If comfort and noise are significant factors, the P Zero's average scores in these areas may not meet your expectations.

Treadwear 220Traction AA
Spec score77estimated
Details

The Michelin Pilot Sport 4S is a standout choice for drivers who prioritize dry and wet grip above all else.

  • 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.

30,000 mi warrantyTreadwear 300Traction AA
Spec score69estimated
Details

The Toyo Proxes Sport is a compelling option for drivers who prioritize dry grip and handling above all else.

  • Perfect dry grip and handling scores of 10, making it a strong choice for spirited driving.
  • Treadlife score of 9 with a 25,000-mile warranty, which is respectable for an ultra-high-performance summer tire.

Lower wet grip performance compared to competitors like the Michelin Pilot Sport 4S makes it less suitable for wet climates.

25,000 mi warranty
Spec score56estimated
Details

The Pirelli P Zero Corsa PZC4 is a specialized choice for drivers who prioritize dry grip and handling above all else.

  • Unmatched dry grip and handling with perfect scores of 10, making it ideal for spirited driving and track use.
  • Comfort and noise scores align with the category averages, ensuring a tolerable ride for an ultra-high-performance tire.

Limited wet grip performance and lack of a treadwear warranty make it less suitable for those needing a versatile summer tire.

Spec scoreestimated
Details
Show 2 more ultra high performance summer options
Pirelli P Zero Asimmetrico

Specs on detail page

Pirelli P Zero PZ4 Sport

Specs on detail page

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Popular Brands in 355/25R21

Size decoded

What 355/25R21 Means

355/25R21 designates a tire 355 mm (14.0") wide with a sidewall 25% as tall as it is wide — about 89 mm (3.5") — mounted on a 21-inch wheel. That works out to an overall diameter of roughly 28.0", a circumference of about 87.9", and approximately 721 revolutions per mile. Exact figures vary slightly by manufacturer and tread design.

89 mm

Sidewall height

28.0"

Overall diameter

87.9"

Circumference

721

Revs per mile

Of the 6 355/25R21 tire models we track, the most common category is ultra high performance summer (6 models) — a good indicator of the kind of vehicles and driving this size is designed for.

Before you buy

Frequently Asked Questions

What does 355/25R21 mean?
355/25R21 breaks down as follows: 355mm is the tire's section width (the widest point), 25 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 355/25R21 tires?
355/25R21 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 355/25R21 tire?
A 355/25R21 tire has a sidewall height of about 89 mm (3.5") and an overall diameter of roughly 28.0", turning approximately 721 revolutions per mile. Actual dimensions vary slightly by manufacturer and model, so confirm against your vehicle's placard before changing sizes.

355/25R21 Research Guides

Confirm 355/25R21 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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