Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 215/75-17 | 245/75-17.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.7 (754.3) | 31.97 (812) | 2.27 (57.7) 7.6% |
| Width inches (mm) | 8.46 (215) | 9.65 (245) | 1.18 (30) 14% |
| Circum. inches (mm) | 93.3 (2369.7) | 100.43 (2550.97) | 7.14 (181.27) 7.6% |
| Sidewall Height inches (mm) | 6.35 (161.25) | 7.23 (183.75) | 0.89 (22.5) 14% |
| Revolutions per mile (km) | 679.13 (421.99) | 630.87 (392.01) | -48.26 (-29.99) -7.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.53 mph (34.65 km/h) |
| 25 mph (40.23 km/h) | 26.91 mph (43.31 km/h) |
| 30 mph (48.28 km/h) | 32.29 mph (51.97 km/h) |
| 35 mph (56.33 km/h) | 37.68 mph (60.64 km/h) |
| 40 mph (64.37 km/h) | 43.06 mph (69.3 km/h) |
| 45 mph (72.42 km/h) | 48.44 mph (77.96 km/h) |
| 50 mph (80.47 km/h) | 53.82 mph (86.62 km/h) |
| 55 mph (88.51 km/h) | 59.21 mph (95.28 km/h) |
| 60 mph (96.56 km/h) | 64.59 mph (103.95 km/h) |
| 65 mph (104.61 km/h) | 69.97 mph (112.61 km/h) |
| 70 mph (112.65 km/h) | 75.35 mph (121.27 km/h) |
| 75 mph (120.7 km/h) | 80.74 mph (129.93 km/h) |
| 80 mph (128.75 km/h) | 86.12 mph (138.6 km/h) |
| 85 mph (136.79 km/h) | 91.5 mph (147.26 km/h) |
| 90 mph (144.84 km/h) | 96.88 mph (155.92 km/h) |
| 95 mph (152.89 km/h) | 102.27 mph (164.58 km/h) |
| 100 mph (160.93 km/h) | 107.65 mph (173.25 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1605 | 1865 | 2009 | 2097 | 2193 | 2261 | 2336 | 2425 | 2548 | 2671 | 2808 | 2917 | 3115 | 3334 | 3505 | 3614 | 3675 | 3901 | 4215 | 4898 |
Better Fuel Economy Factory Ratios Increased Power
