Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 245/75-17 | 285/75-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 31.47 (799.3) | 33.83 (859.3) | 2.36 (60) 7.5% |
| Width inches (mm) | 9.65 (245) | 11.22 (285) | 1.57 (40) 16.3% |
| Circum. inches (mm) | 98.86 (2511.08) | 106.28 (2699.57) | 7.42 (188.5) 7.5% |
| Sidewall Height inches (mm) | 7.23 (183.75) | 8.42 (213.75) | 1.18 (30) 16.3% |
| Revolutions per mile (km) | 640.9 (398.24) | 596.15 (370.43) | -44.75 (-27.81) -7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.5 mph (34.6 km/h) |
| 25 mph (40.23 km/h) | 26.88 mph (43.25 km/h) |
| 30 mph (48.28 km/h) | 32.25 mph (51.9 km/h) |
| 35 mph (56.33 km/h) | 37.63 mph (60.56 km/h) |
| 40 mph (64.37 km/h) | 43 mph (69.21 km/h) |
| 45 mph (72.42 km/h) | 48.38 mph (77.86 km/h) |
| 50 mph (80.47 km/h) | 53.75 mph (86.51 km/h) |
| 55 mph (88.51 km/h) | 59.13 mph (95.16 km/h) |
| 60 mph (96.56 km/h) | 64.5 mph (103.81 km/h) |
| 65 mph (104.61 km/h) | 69.88 mph (112.46 km/h) |
| 70 mph (112.65 km/h) | 75.25 mph (121.11 km/h) |
| 75 mph (120.7 km/h) | 80.63 mph (129.76 km/h) |
| 80 mph (128.75 km/h) | 86.01 mph (138.41 km/h) |
| 85 mph (136.79 km/h) | 91.38 mph (147.06 km/h) |
| 90 mph (144.84 km/h) | 96.76 mph (155.71 km/h) |
| 95 mph (152.89 km/h) | 102.13 mph (164.36 km/h) |
| 100 mph (160.93 km/h) | 107.51 mph (173.02 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1517 | 1762 | 1898 | 1982 | 2072 | 2137 | 2208 | 2292 | 2408 | 2524 | 2653 | 2757 | 2944 | 3150 | 3312 | 3415 | 3473 | 3686 | 3983 | 4629 |
Better Fuel Economy Factory Ratios Increased Power
