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Tire size

265/70R18 tire size: dimensions explained

Factory size on the Toyota Tacoma. Below are the dimensions calculated from the size marking itself. Your vehicle's correct size, load index and speed rating are on the placard in the driver's door jamb; check it before buying.

MeasurementMetricImperial
Section width265 mm10.43 in
Sidewall height185.5 mm7.3 in
Overall diameter828.2 mm32.61 in
Wheel diameter457.2 mm18 in
Circumference2601 mm102.4 in
Revolutions per mile619

Calculated values: diameter = wheel + 2 × (width × aspect ratio). Real tires vary slightly by brand and model.

Reading the marking

265 is the section width in millimetres, 70 is the sidewall height as a percentage of that width, R means radial construction, and 18 is the wheel diameter in inches. A passenger (P or Euro-metric) tire and an LT tire in the same size are not interchangeable without checking load requirements.

Compare 265/70R18 with another size →

265/70R18 tires at Tire Rack

Highway / touring

TireLoad/speedPrice per tire
Yokohama Geolandar X-CV
Crossover/SUV Touring All-Season		116T$123.23View at Tire Rack
Advanta SVT-01
Crossover/SUV Touring All-Season		114T$159.08View at Tire Rack

All-terrain

TireLoad/speedPrice per tire
Michelin LTX Trail
On-Road All-Terrain		116T$155.63View at Tire Rack
Advanta ATX-850
Off-Road All-Terrain Truck		116T$187.17View at Tire Rack

Winter

TireLoad/speedPrice per tire
Yokohama iceGUARD G075
Light Truck/SUV Studless Ice & Snow Truck		116T$193.08View at Tire Rack

Rugged / mud-terrain

TireLoad/speedPrice per tire
Goodyear Wrangler Territory RT
Rugged All-Terrain		116T$262.99View at Tire Rack
Nitto Ridge Grappler
Rugged All-Terrain		116T$289.00View at Tire Rack

Showing the lowest-priced in-stock options in each category from 59 265/70R18 tires in Tire Rack's feed, sorted by price only. We don't rank by commission. Match or exceed the load index and speed rating on your placard.

Affiliate links: if you buy through a Tire Rack link, RightTread may earn a commission through CJ. It doesn't change your price. Prices are Tire Rack's per-tire prices from Tire Rack's product feed as of Nov 7, 2026, 9:19 PM PT. Prices change, so confirm on Tire Rack before you buy. Disclosure

Other sizes