Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 285/70-17 | 285/75-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 32.71 (830.8) | 33.83 (859.3) | 1.12 (28.5) 3.4% |
| Width inches (mm) | 11.22 (285) | 11.22 (285) | 0 (0) 0% |
| Circum. inches (mm) | 102.76 (2610.04) | 106.28 (2699.57) | 3.53 (89.54) 3.4% |
| Sidewall Height inches (mm) | 7.85 (199.5) | 8.42 (213.75) | 0.56 (14.25) 7.1% |
| Revolutions per mile (km) | 616.6 (383.14) | 596.15 (370.43) | -20.45 (-12.71) -3.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.69 mph (33.29 km/h) |
| 25 mph (40.23 km/h) | 25.86 mph (41.61 km/h) |
| 30 mph (48.28 km/h) | 31.03 mph (49.94 km/h) |
| 35 mph (56.33 km/h) | 36.2 mph (58.26 km/h) |
| 40 mph (64.37 km/h) | 41.37 mph (66.58 km/h) |
| 45 mph (72.42 km/h) | 46.54 mph (74.9 km/h) |
| 50 mph (80.47 km/h) | 51.72 mph (83.23 km/h) |
| 55 mph (88.51 km/h) | 56.89 mph (91.55 km/h) |
| 60 mph (96.56 km/h) | 62.06 mph (99.87 km/h) |
| 65 mph (104.61 km/h) | 67.23 mph (108.2 km/h) |
| 70 mph (112.65 km/h) | 72.4 mph (116.52 km/h) |
| 75 mph (120.7 km/h) | 77.57 mph (124.84 km/h) |
| 80 mph (128.75 km/h) | 82.74 mph (133.16 km/h) |
| 85 mph (136.79 km/h) | 87.92 mph (141.49 km/h) |
| 90 mph (144.84 km/h) | 93.09 mph (149.81 km/h) |
| 95 mph (152.89 km/h) | 98.26 mph (158.13 km/h) |
| 100 mph (160.93 km/h) | 103.43 mph (166.46 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
