Tire Size Guide

235/40R17 Tires

Compare 14 available models across 1 categories, then confirm fitment for your vehicle.

Our Top Pick in 235/40R17
Toyo Proxes R888R
Ultra High Performance SummerPerformance

The Toyo Proxes R888R is a go-to choice for track enthusiasts who prioritize wet grip and handling.

Wet grip score of 9 exceeds the category average of 7.6, making it reliable in damp conditions. Dry grip and handling both score 8, providing strong performance on track days. The comfort and noise scores align with the category averages, indicating a balanced ride for an ultra-high-performance tire.
77Spec score (est.)
Full analysis
14 models

Best Ultra High Performance Summer Tires in 235/40R17

All Ultra High Performance Summer tires

The Toyo Proxes R888R is a go-to choice for track enthusiasts who prioritize wet grip and handling.

  • Wet grip score of 9 exceeds the category average of 7.6, making it reliable in damp conditions.
  • Dry grip and handling both score 8, providing strong performance on track days.

The lack of a treadwear warranty and low treadwear rating mean frequent replacements, increasing long-term costs.

Treadwear 100Traction AA
Spec score77estimated
Details
Toyo Proxes R1RPerformance

The Toyo Proxes R1R is a compelling choice for drivers who prioritize wet grip in an ultra high performance summer tire.

  • Wet grip score of 9 surpasses the ultra high performance summer category average of 7.6, making it a strong choice for rainy conditions.
  • Dry grip and handling both score 8, which are competitive for spirited driving and track days.

The R speed rating is lower than typical for ultra high performance summer tires, potentially limiting its suitability for high-speed applications.

Treadwear 200Traction AA
Spec score77estimated
Details
Toyo Proxes RA1Performance

The Toyo Proxes RA1 is a solid choice for those who prioritize wet grip, with a score of 9 that exceeds the ultra-high-performance summer category average.

  • Wet grip score of 9 is well above the category average of 7.6, making it a strong performer in rainy conditions.
  • Dry grip and handling both score 8, providing reliable performance for spirited driving.

The lack of a treadwear warranty and low UTQG treadwear rating mean frequent replacements, raising long-term costs.

Treadwear 100Traction AA
Spec score77estimated
Details

The Sportnex CR-S is well-suited for drivers prioritizing wet and dry grip in a summer tire, with scores that exceed category averages.

  • Wet grip score of 9 far exceeds the ultra high performance summer category average of 3.6, making it a strong choice for rainy conditions.
  • Dry grip and handling both score 8, which is above average for the category, providing a balanced performance on dry roads.

Lack of a treadwear warranty may deter buyers looking for guaranteed longevity in their tire investment.

Treadwear 200Traction AA
Spec score77estimated
Details
Show 10 more ultra high performance summer options
68
Falken Azenis RT660

Treadwear 200

68
Dunlop Direzza ZIII

Treadwear 200

62
Toyo Tire Proxes Sport

25,000 mi warranty · Treadwear 500

56
Toyo Proxes R

Treadwear 40

52
Toyo Proxes RR

Treadwear 40

52
Nitto NT01

Specs on detail page

Yokohama ADVAN Neova AD08 R

Specs on detail page

Nitto NT05

Specs on detail page

Pirelli P Zero System

Specs on detail page

Fitment

Vehicles Using 235/40R17

+ 1 more vehicles use this size

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Popular Brands in 235/40R17

Size decoded

What 235/40R17 Means

235/40R17 designates a tire 235 mm (9.3") wide with a sidewall 40% as tall as it is wide — about 94 mm (3.7") — mounted on a 17-inch wheel. That works out to an overall diameter of roughly 24.4", a circumference of about 76.7", and approximately 827 revolutions per mile. Exact figures vary slightly by manufacturer and tread design.

94 mm

Sidewall height

24.4"

Overall diameter

76.7"

Circumference

827

Revs per mile

Of the 14 235/40R17 tire models we track, the most common category is ultra high performance summer (14 models) — a good indicator of the kind of vehicles and driving this size is designed for.

Before you buy

Frequently Asked Questions

What does 235/40R17 mean?
235/40R17 breaks down as follows: 235mm is the tire's section width (the widest point), 40 is the aspect ratio (sidewall height as a percentage of width), R means radial construction, and 17 is the wheel diameter in inches.
What vehicles use 235/40R17 tires?
235/40R17 is a common fitment for vehicles like the 2004 Lotus Esprit, 2003 Lotus Esprit, 2002 Lotus Esprit, 2001 Lotus Esprit and others. Always confirm your specific trim's fitment before purchasing.
How tall is a 235/40R17 tire?
A 235/40R17 tire has a sidewall height of about 94 mm (3.7") and an overall diameter of roughly 24.4", turning approximately 827 revolutions per mile. Actual dimensions vary slightly by manufacturer and model, so confirm against your vehicle's placard before changing sizes.

235/40R17 Research Guides

Confirm 235/40R17 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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