Tire sizes / 245/40R20

245/40R20 Tire Size

245/40R20

Dimensions

Overall diameter27.7 in (704 mm)
Section width9.6 in (245 mm)
Sidewall height3.9 in (98 mm)
Wheel diameter20 in
Revolutions per mileabout 728

Nominal figures calculated from the size code. Real tires vary a little by brand and tread depth.

Cars that came with 245/40R20 tires

Factory fitment only, from owner's manuals. Many other cars can run this size; check with a tire shop before changing size.