275/65R20 vs 295/65R20

295/65R20 is 1.02 inches (3.0%) taller than 275/65R20 and 0.79 inches wider. Here are both sizes side by side, drawn to scale.

Last updated · Calculated from the sidewall code · Sources

Tire sizes

Type it as it appears on the sidewall: 275/60R20, LT265/70R17 or 33x12.50R20.

Difference in height
+1.02″
295/65R20 vs 275/65R20
275/65R20295/65R20Difference
Overall diameter34.1″ 865 mm35.1″ 891 mm+1.02″ (+3.0%)
Section width10.8″ 275 mm11.6″ 295 mm+0.79″
Sidewall height7.04″ 179 mm7.55″ 192 mm+0.51″
Wheel (rim) diameter20″20″same
Circumference107.0″ 2719 mm110.3″ 2801 mm+3.2″
Revolutions per mile592575−17
Ground clearance+0.51″
275/65R2034.1″ × 10.8″34.1″295/65R2035.1″ × 11.6″35.1″
Drawn to scale: side view and tread width.

295/65R20 is 1.02″ taller (3.0%) and 0.79″ wider than 275/65R20. With a speedometer set up for 275/65R20, an indicated 60 mph is really 61.8 mph on 295/65R20, so the gauge reads 3.0% low. Ground clearance at the axle changes by +0.51″.

A 3.0% difference is more than the ±3% shops commonly use as a limit: plan to recalibrate the speedometer, check clearance (and lift or leveling needs), and consider regearing if it's a big jump.

Speedometer showsReal speed on 295/65R20
30 mph30.9 mph
45 mph46.4 mph
60 mph61.8 mph
70 mph72.1 mph
80 mph82.4 mph

What changes when you switch to 295/65R20

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 295/65R20 than 275/65R20?

295/65R20 is 1.02 inches (3.0%) taller and 0.79 inches wider: 35.1" × 11.6" versus 34.1" × 10.8".

Will 295/65R20 change my speedometer?

Yes, by 3.0%. Going from 275/65R20 to 295/65R20, an indicated 60 mph is about 61.8 mph.

Can I replace 275/65R20 with 295/65R20?

Possibly, but the height difference is over 3%, so check clearance and plan to recalibrate the speedometer. Both fit a 20" wheel; confirm the rim width, load index and clearance for your vehicle.

Do I need to regear going from 275/65R20 to 295/65R20?

Usually not for a 3.0% change. With 3.73 gears, the 295/65R20 acts like 3.62.

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