Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/65-18 | 235/65-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.52 (749.7) | 29.03 (737.3) | -0.49 (-12.4) -1.7% |
| Width inches (mm) | 8.86 (225) | 9.25 (235) | 0.39 (10) 4.4% |
| Circum. inches (mm) | 92.73 (2355.25) | 91.19 (2316.3) | -1.53 (-38.96) -1.7% |
| Sidewall Height inches (mm) | 5.76 (146.25) | 6.01 (152.75) | 0.26 (6.5) 4.4% |
| Revolutions per mile (km) | 683.3 (424.58) | 694.79 (431.72) | 11.49 (7.14) 1.7% |
235/65-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.67 mph (31.65 km/h) |
| 25 mph (40.23 km/h) | 24.59 mph (39.57 km/h) |
| 30 mph (48.28 km/h) | 29.5 mph (47.48 km/h) |
| 35 mph (56.33 km/h) | 34.42 mph (55.4 km/h) |
| 40 mph (64.37 km/h) | 39.34 mph (63.31 km/h) |
| 45 mph (72.42 km/h) | 44.26 mph (71.22 km/h) |
| 50 mph (80.47 km/h) | 49.17 mph (79.14 km/h) |
| 55 mph (88.51 km/h) | 54.09 mph (87.05 km/h) |
| 60 mph (96.56 km/h) | 59.01 mph (94.96 km/h) |
| 65 mph (104.61 km/h) | 63.92 mph (102.88 km/h) |
| 70 mph (112.65 km/h) | 68.84 mph (110.79 km/h) |
| 75 mph (120.7 km/h) | 73.76 mph (118.7 km/h) |
| 80 mph (128.75 km/h) | 78.68 mph (126.62 km/h) |
| 85 mph (136.79 km/h) | 83.59 mph (134.53 km/h) |
| 90 mph (144.84 km/h) | 88.51 mph (142.45 km/h) |
| 95 mph (152.89 km/h) | 93.43 mph (150.36 km/h) |
| 100 mph (160.93 km/h) | 98.35 mph (158.27 km/h) |
| 2.35 | 2.73 | 2.94 | 3.07 | 3.21 | 3.31 | 3.42 | 3.55 | 3.73 | 3.91 | 4.11 | 4.27 | 4.56 | 4.88 | 5.13 | 5.29 | 5.38 | 5.71 | 6.17 | 7.17 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1768 | 2054 | 2212 | 2310 | 2415 | 2490 | 2573 | 2671 | 2806 | 2942 | 3092 | 3213 | 3431 | 3672 | 3860 | 3980 | 4048 | 4296 | 4642 | 5395 |
Better Fuel Economy Factory Ratios Increased Power
