275/65R20 vs 295/65R20
295/65R20 is 1.02 inches taller than 275/65R20 and 20 mm (0.8 in) wider.
+3.0% height. Outside the usual 3% rule: the speedometer and ride height change noticeably.
| Measurement | 275/65R20 | 295/65R20 | Difference |
|---|---|---|---|
| Overall height | 34.1 in | 35.1 in | +1.02 in (+3.0%) |
| Section width | 10.8 in | 11.6 in | +0.79 in (+20 mm) |
| Sidewall height | 7.0 in | 7.5 in | +0.51 in |
| Circumference | 107.0 in | 110.3 in | +3.2 in |
| Revolutions per mile | 592 | 575 | −17 |
| Ride height | +0.51 in |
Speedometer
With 295/65R20 fitted, a speedometer set up for 275/65R20 shows the first number when you are really doing the second.
- 3030.9 mph
- 4546.4 mph
- 6061.8 mph
- 7577.3 mph
The two sizes
275/65R20 is 34.1 inches tall with a 7.0-inch sidewall. 295/65R20 is 35.1 inches tall with a 7.5-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, 275/65R20 or 295/65R20?
295/65R20 is taller: 35.1 inches against 34.1. 295/65R20 is wider, at 295 mm.
Can I replace 275/65R20 with 295/65R20?
It is 3.0% taller, outside the usual 3% rule, so expect a noticeable speedometer change and check for rubbing at full lock and full suspension travel.
How much does the speedometer change?
With 295/65R20 on a vehicle set up for 275/65R20, the speedometer shows 60 mph at a true 61.8 mph, and 70 at 72.1.