My Tire Guide

245/75R16 vs 265/70R16

265/70R16 is 0.14 inches taller than 245/75R16 and 20 mm (0.8 in) wider.

+0.5% height. Inside the usual 3% rule for a swap.

245/75R16265/70R16
Measurement245/75R16265/70R16Difference
Overall height30.5 in30.6 in+0.14 in (+0.5%)
Section width9.6 in10.4 in+0.79 in (+20 mm)
Sidewall height7.2 in7.3 in+0.07 in
Circumference95.7 in96.2 in+0.4 in
Revolutions per mile662659−3
Ride height+0.07 in

Speedometer

With 265/70R16 fitted, a speedometer set up for 245/75R16 shows the first number when you are really doing the second.

The two sizes

245/75R16 is 30.5 inches tall with a 7.2-inch sidewall. 265/70R16 is 30.6 inches tall with a 7.3-inch sidewall. A taller sidewall rides softer and gives more ground clearance; a shorter one turns in more sharply. Try other pairs in the tire size calculator.

More comparisons

Questions

Which is bigger, 245/75R16 or 265/70R16?

265/70R16 is taller: 30.6 inches against 30.5. 265/70R16 is wider, at 265 mm.

Can I replace 245/75R16 with 265/70R16?

On height, yes: the difference is 0.5%, inside the usual 3% rule. Check that the extra width clears the suspension and suits your rim width.

How much does the speedometer change?

With 265/70R16 on a vehicle set up for 245/75R16, the speedometer shows 60 mph at a true 60.3 mph, and 70 at 70.3.