Collection: 235/45ZR18 Tires

235/45ZR18 tires are 235 mm wide, a sidewall 45% as tall as the width, on an 18-inch wheel — roughly 26.3 in tall and 9.3 in wide overall. It is a passenger car size.

We carry 235/45ZR18 in all-season, touring, ultra-high performance and performance designs from Kumho and Falken.

Available ratings in this size: load index 98 (1,653 lb per tire); speed rating W / Y (up to 186 mph). Choose a load index and speed rating equal to or higher than what your vehicle's tire placard calls for.

235/45ZR18 is also written 235/45/18, 235 45 18, 2354518, 235/45-18.

Every tire is priced each and ships free to the lower 48 states (FedEx Ground, or truck freight for large commercial, farm and construction sizes), with 30-day returns on unmounted tires.

Common questions

Which vehicles use 235/45ZR18 tires?

Any vehicle whose factory tire placard (driver's door jamb) or current tires read 235/45ZR18. The placard also gives the load index and speed rating to match. Not sure? Send us your year, make and model and we'll confirm the size.

Can I replace 235/45ZR18 with a different size?

Stay with the placard size unless a tire professional confirms an alternative — a different size changes speedometer accuracy, load capacity and clearance.

How many do I need?

Prices are per tire. Replace in pairs on the same axle, or all four for even handling and wear.

Guides: how to read a tire size · load index chart · speed rating chart · load range & ply · tire types explained · all tire sizes