265/70R17 vs 275/70R17
275/70R17 is 0.55 inches taller than 265/70R17 and 10 mm (0.4 in) wider.
+1.7% height. Inside the usual 3% rule for a swap.
| Measurement | 265/70R17 | 275/70R17 | Difference |
|---|---|---|---|
| Overall height | 31.6 in | 32.2 in | +0.55 in (+1.7%) |
| Section width | 10.4 in | 10.8 in | +0.39 in (+10 mm) |
| Sidewall height | 7.3 in | 7.6 in | +0.28 in |
| Circumference | 99.3 in | 101.0 in | +1.7 in |
| Revolutions per mile | 638 | 627 | −11 |
| Ride height | +0.28 in |
Speedometer
With 275/70R17 fitted, a speedometer set up for 265/70R17 shows the first number when you are really doing the second.
- 3030.5 mph
- 4545.8 mph
- 6061.0 mph
- 7576.3 mph
The two sizes
265/70R17 is 31.6 inches tall with a 7.3-inch sidewall. 275/70R17 is 32.2 inches tall with a 7.6-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, 265/70R17 or 275/70R17?
275/70R17 is taller: 32.2 inches against 31.6. 275/70R17 is wider, at 275 mm.
Can I replace 265/70R17 with 275/70R17?
On height, yes: the difference is 1.7%, 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 275/70R17 on a vehicle set up for 265/70R17, the speedometer shows 60 mph at a true 61.0 mph, and 70 at 71.2.