Tire RulerWhat changes when you switch to 265/75R16
- Height: +1.18″ (+3.9%), so ground clearance at the axle goes up 0.59″.
- Width: +0.79″ (20 mm). Check inner clearance to the suspension and frame, and the fender liner at full lock.
- Sidewall: +0.59″. A taller sidewall rides a bit softer and protects the wheel off-road.
- Revolutions per mile: 662 → 637. Your gears act about 3.9% taller; at 65 mph in a 0.69 top gear with 3.73s, that’s 1,846 → 1,777 RPM.
Sizes are theoretical, from the sidewall code. The same size can differ by a few tenths of an inch between brands and tread patterns; check the maker’s spec sheet for the exact model.
Other comparisons
Frequently asked questions
How much bigger is 265/75R16 than 245/75R16?
265/75R16 is 1.18 inches (3.9%) taller and 0.79 inches wider: 31.6" × 10.4" versus 30.5" × 9.6".
Will 265/75R16 change my speedometer?
Yes, by 3.9%. Going from 245/75R16 to 265/75R16, an indicated 60 mph is about 62.3 mph.
Can I replace 245/75R16 with 265/75R16?
Possibly, but the height difference is over 3%, so check clearance and plan to recalibrate the speedometer. Both fit a 16" wheel; confirm the rim width, load index and clearance for your vehicle.
Do I need to regear going from 245/75R16 to 265/75R16?
Usually not for a 3.9% change. With 3.73 gears, the 265/75R16 acts like 3.59.