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255/40R21 tires

The size 255/40R21 means a tire 255 mm wide, with a sidewall 40% as tall as it is wide (about 102 mm), built for 21-inch wheels. Its overall diameter is about 737 mm (29.0 in). We have 24 255/40R21 tires in stock from 30 models, starting at $298.00 per tire.

24 tires in stock in 255/40R21

12 more models currently out of stock

Vehicles that use 255/40R21

Original-equipment fitments from our vehicle database. Confirm the size on your door placard before ordering.

Sizes close to 255/40R21

Within 3% overall diameter on the same rim. Only change size with a professional’s advice; load index and clearance must still match.

Questions about the 255/40R21

What does the tire size 255/40R21 mean?

The size 255/40R21 means a tire 255 mm wide, with a sidewall 40% as tall as it is wide (about 102 mm), built for 21-inch wheels.

What is the cheapest 255/40R21 tire in stock?

Right now the lowest-priced 255/40R21 tire in stock is the Kumho WS71 at $298.00 per tire. We have 24 255/40R21 tires in stock in total.

Can I use a different size instead of 255/40R21?

Only with professional advice. A replacement size must keep the overall diameter within about 3%, fit your wheel and suspension, and meet or exceed your vehicle’s load index and speed rating.

Free delivery, ON & QC

Shipped to your door or installer in 1–3 business days; next day in most of the GTA.

Warehouse pickup

321 Rexdale Blvd, Etobicoke. Monday to Friday, 9 a.m. to 5 p.m.

30-day returns

Unused tires with original stickers can be returned within 30 days.

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