Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 255/45-17 | 285/45-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.04 (661.3) | 27.1 (688.3) | 1.06 (27) 4.1% |
| Width inches (mm) | 10.04 (255) | 11.22 (285) | 1.18 (30) 11.8% |
| Circum. inches (mm) | 81.79 (2077.54) | 85.13 (2162.36) | 3.34 (84.82) 4.1% |
| Sidewall Height inches (mm) | 4.52 (114.75) | 5.05 (128.25) | 0.53 (13.5) 11.8% |
| Revolutions per mile (km) | 774.64 (481.34) | 744.25 (462.46) | -30.39 (-18.88) -3.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.82 mph (33.5 km/h) |
| 25 mph (40.23 km/h) | 26.02 mph (41.88 km/h) |
| 30 mph (48.28 km/h) | 31.22 mph (50.25 km/h) |
| 35 mph (56.33 km/h) | 36.43 mph (58.63 km/h) |
| 40 mph (64.37 km/h) | 41.63 mph (67 km/h) |
| 45 mph (72.42 km/h) | 46.84 mph (75.38 km/h) |
| 50 mph (80.47 km/h) | 52.04 mph (83.75 km/h) |
| 55 mph (88.51 km/h) | 57.25 mph (92.13 km/h) |
| 60 mph (96.56 km/h) | 62.45 mph (100.5 km/h) |
| 65 mph (104.61 km/h) | 67.65 mph (108.88 km/h) |
| 70 mph (112.65 km/h) | 72.86 mph (117.25 km/h) |
| 75 mph (120.7 km/h) | 78.06 mph (125.63 km/h) |
| 80 mph (128.75 km/h) | 83.27 mph (134 km/h) |
| 85 mph (136.79 km/h) | 88.47 mph (142.38 km/h) |
| 90 mph (144.84 km/h) | 93.67 mph (150.75 km/h) |
| 95 mph (152.89 km/h) | 98.88 mph (159.13 km/h) |
| 100 mph (160.93 km/h) | 104.08 mph (167.51 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1894 | 2200 | 2369 | 2474 | 2587 | 2668 | 2756 | 2861 | 3006 | 3151 | 3312 | 3441 | 3675 | 3933 | 4135 | 4263 | 4336 | 4602 | 4973 | 5779 |
Better Fuel Economy Factory Ratios Increased Power
