Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 260/70-17 | 285/75-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 31.33 (795.8) | 33.83 (859.3) | 2.5 (63.5) 8% |
| Width inches (mm) | 10.24 (260) | 11.22 (285) | 0.98 (25) 9.6% |
| Circum. inches (mm) | 98.43 (2500.08) | 106.28 (2699.57) | 7.85 (199.49) 8% |
| Sidewall Height inches (mm) | 7.17 (182) | 8.42 (213.75) | 1.25 (31.75) 17.4% |
| Revolutions per mile (km) | 643.72 (399.99) | 596.15 (370.43) | -47.57 (-29.56) -7.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.6 mph (34.76 km/h) |
| 25 mph (40.23 km/h) | 26.99 mph (43.44 km/h) |
| 30 mph (48.28 km/h) | 32.39 mph (52.13 km/h) |
| 35 mph (56.33 km/h) | 37.79 mph (60.82 km/h) |
| 40 mph (64.37 km/h) | 43.19 mph (69.51 km/h) |
| 45 mph (72.42 km/h) | 48.59 mph (78.2 km/h) |
| 50 mph (80.47 km/h) | 53.99 mph (86.89 km/h) |
| 55 mph (88.51 km/h) | 59.39 mph (95.58 km/h) |
| 60 mph (96.56 km/h) | 64.79 mph (104.27 km/h) |
| 65 mph (104.61 km/h) | 70.19 mph (112.95 km/h) |
| 70 mph (112.65 km/h) | 75.59 mph (121.64 km/h) |
| 75 mph (120.7 km/h) | 80.98 mph (130.33 km/h) |
| 80 mph (128.75 km/h) | 86.38 mph (139.02 km/h) |
| 85 mph (136.79 km/h) | 91.78 mph (147.71 km/h) |
| 90 mph (144.84 km/h) | 97.18 mph (156.4 km/h) |
| 95 mph (152.89 km/h) | 102.58 mph (165.09 km/h) |
| 100 mph (160.93 km/h) | 107.98 mph (173.78 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
