Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 215/75-17 | 235/75-17.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.7 (754.3) | 31.38 (797) | 1.68 (42.7) 5.7% |
| Width inches (mm) | 8.46 (215) | 9.25 (235) | 0.79 (20) 9.3% |
| Circum. inches (mm) | 93.3 (2369.7) | 98.58 (2503.85) | 5.28 (134.15) 5.7% |
| Sidewall Height inches (mm) | 6.35 (161.25) | 6.94 (176.25) | 0.59 (15) 9.3% |
| Revolutions per mile (km) | 679.13 (421.99) | 642.75 (399.38) | -36.39 (-22.61) -5.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.13 mph (34.01 km/h) |
| 25 mph (40.23 km/h) | 26.42 mph (42.51 km/h) |
| 30 mph (48.28 km/h) | 31.7 mph (51.01 km/h) |
| 35 mph (56.33 km/h) | 36.98 mph (59.52 km/h) |
| 40 mph (64.37 km/h) | 42.26 mph (68.02 km/h) |
| 45 mph (72.42 km/h) | 47.55 mph (76.52 km/h) |
| 50 mph (80.47 km/h) | 52.83 mph (85.02 km/h) |
| 55 mph (88.51 km/h) | 58.11 mph (93.52 km/h) |
| 60 mph (96.56 km/h) | 63.4 mph (102.03 km/h) |
| 65 mph (104.61 km/h) | 68.68 mph (110.53 km/h) |
| 70 mph (112.65 km/h) | 73.96 mph (119.03 km/h) |
| 75 mph (120.7 km/h) | 79.25 mph (127.53 km/h) |
| 80 mph (128.75 km/h) | 84.53 mph (136.04 km/h) |
| 85 mph (136.79 km/h) | 89.81 mph (144.54 km/h) |
| 90 mph (144.84 km/h) | 95.09 mph (153.04 km/h) |
| 95 mph (152.89 km/h) | 100.38 mph (161.54 km/h) |
| 100 mph (160.93 km/h) | 105.66 mph (170.05 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1636 | 1900 | 2046 | 2137 | 2234 | 2304 | 2380 | 2471 | 2596 | 2721 | 2861 | 2972 | 3174 | 3397 | 3571 | 3682 | 3745 | 3974 | 4295 | 4991 |
Better Fuel Economy Factory Ratios Increased Power
