225/65R17 vs 235/65R17
235/65R17 is 0.51 inches taller than 225/65R17 and 10 mm (0.4 in) wider.
+1.8% height. Inside the usual 3% rule for a swap.
| Measurement | 225/65R17 | 235/65R17 | Difference |
|---|---|---|---|
| Overall height | 28.5 in | 29.0 in | +0.51 in (+1.8%) |
| Section width | 8.9 in | 9.3 in | +0.39 in (+10 mm) |
| Sidewall height | 5.8 in | 6.0 in | +0.26 in |
| Circumference | 89.6 in | 91.2 in | +1.6 in |
| Revolutions per mile | 707 | 695 | −12 |
| Ride height | +0.26 in |
Speedometer
With 235/65R17 fitted, a speedometer set up for 225/65R17 shows the first number when you are really doing the second.
- 3030.5 mph
- 4545.8 mph
- 6061.1 mph
- 7576.3 mph
The two sizes
225/65R17 is 28.5 inches tall with a 5.8-inch sidewall. 235/65R17 is 29.0 inches tall with a 6.0-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, 225/65R17 or 235/65R17?
235/65R17 is taller: 29.0 inches against 28.5. 235/65R17 is wider, at 235 mm.
Can I replace 225/65R17 with 235/65R17?
On height, yes: the difference is 1.8%, 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 235/65R17 on a vehicle set up for 225/65R17, the speedometer shows 60 mph at a true 61.1 mph, and 70 at 71.3.