Tire Size Guide

255/40R23 Tires

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

Our Top Pick in 255/40R23
Pirelli P Zero (PZ4)
Ultra High Performance SummerPerformance

The Pirelli P Zero (PZ4) is well-suited for drivers who prioritize wet grip in their ultra high performance summer tires.

Wet grip score of 9 exceeds the ultra high performance summer category average of 7.6, making it a strong performer in rainy conditions. Dry grip and handling both score 8, which aligns well with the category's focus on performance driving. Comfort and noise scores match the category averages, ensuring a balanced ride for an ultra high performance tire.
75Spec score (est.)
Full analysis
1 model

Best Ultra High Performance Summer Tires in 255/40R23

All Ultra High Performance Summer tires

The Pirelli P Zero (PZ4) is well-suited for drivers who prioritize wet grip in their ultra high performance summer tires.

  • Wet grip score of 9 exceeds the ultra high performance summer category average of 7.6, making it a strong performer in rainy conditions.
  • Dry grip and handling both score 8, which aligns well with the category's focus on performance driving.

The lack of a treadwear warranty could be a concern for buyers looking for a guaranteed lifespan from their performance tires.

Treadwear 280Traction AA
Spec score75estimated
Details
1 model

Best Winter Tires in 255/40R23

All Winter tires
Pirelli P Zero WinterSafety3PMSF SnowEV

The Pirelli P Zero Winter is a solid choice for drivers who prioritize snow traction over other winter driving conditions, with its snow traction score of 8 standing out as a key strength.

  • Snow traction score of 8 is solid, making it reliable in typical winter conditions.
  • Comfort score matches the category average of 6.2, providing a balanced ride for a winter tire.

The lack of a treadwear warranty and below-average wet grip make it less suitable for those driving frequently on wet winter roads.

Traction NONE
Spec scoreestimated
Details
Fitment

Vehicles Using 255/40R23

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Popular Brands in 255/40R23

Size decoded

What 255/40R23 Means

255/40R23 designates a tire 255 mm (10.0") wide with a sidewall 40% as tall as it is wide — about 102 mm (4.0") — mounted on a 23-inch wheel. That works out to an overall diameter of roughly 31.0", a circumference of about 97.5", and approximately 650 revolutions per mile. Exact figures vary slightly by manufacturer and tread design.

102 mm

Sidewall height

31.0"

Overall diameter

97.5"

Circumference

650

Revs per mile

Of the 2 255/40R23 tire models we track, the most common category is ultra high performance summer (1 model), followed by winter (1) — a good indicator of the kind of vehicles and driving this size is designed for.

Before you buy

Frequently Asked Questions

What does 255/40R23 mean?
255/40R23 breaks down as follows: 255mm 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 23 is the wheel diameter in inches.
What vehicles use 255/40R23 tires?
255/40R23 is a common fitment for vehicles like the 2025 Rolls Royce Spectre, 2024 Rolls Royce Spectre. Always confirm your specific trim's fitment before purchasing.
How tall is a 255/40R23 tire?
A 255/40R23 tire has a sidewall height of about 102 mm (4.0") and an overall diameter of roughly 31.0", turning approximately 650 revolutions per mile. Actual dimensions vary slightly by manufacturer and model, so confirm against your vehicle's placard before changing sizes.

255/40R23 Research Guides

Confirm 255/40R23 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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