Section Width335 mm (13.2")
Aspect Ratio40%
Rim Diameter20"
Overall Diameter776 mm (30.6")
Sidewall Height134 mm
Circumference2438 mm
335/40R20 — Buy Tires

Everything to know about the 335/40R20 tire size

Size geometry

A 335/40R20 tire has a 335mm section width and a 40% aspect ratio, mounted on a 20-inch rim. Sidewall height works out to 134.0mm (5.28") and overall outside diameter is 776.0mm (30.55"). At highway speed the tire completes about 410 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 335/40R20 is unavailable, the closest same-diameter substitutes on the same rim are 325/41R20 and 345/39R20. Both keep your speedometer reading within 1% — safe for daily use, ABS, and stability control. Always verify load and speed ratings before swapping.

Plus / minus sizing options

For a 335/40R20 you can upsize to 345/35R21 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 325/45R19 (minus-one) for a softer ride or winter setup. Both stay inside the Âą3% diameter tolerance that ABS and TPMS systems expect.

Vehicle compatibility

0 vehicles in our database run the 335/40R20 tire size from the factory. Aftermarket fitment depends on rim width, offset, and clearance — match these specs to your wheel before purchasing tires.

Vehicles Using 335/40R20

tire_size.no_vehicles_found