Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 265/55-19 | 285/70-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.48 (774.1) | 32.71 (830.8) | 2.23 (56.7) 7.3% |
| Width inches (mm) | 10.43 (265) | 11.22 (285) | 0.79 (20) 7.5% |
| Circum. inches (mm) | 95.74 (2431.91) | 102.76 (2610.04) | 7.01 (178.13) 7.3% |
| Sidewall Height inches (mm) | 5.74 (145.75) | 7.85 (199.5) | 2.12 (53.75) 36.9% |
| Revolutions per mile (km) | 661.76 (411.2) | 616.6 (383.14) | -45.16 (-28.06) -6.8% |
285/70-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.46 mph (34.54 km/h) |
| 25 mph (40.23 km/h) | 26.83 mph (43.18 km/h) |
| 30 mph (48.28 km/h) | 32.2 mph (51.82 km/h) |
| 35 mph (56.33 km/h) | 37.56 mph (60.45 km/h) |
| 40 mph (64.37 km/h) | 42.93 mph (69.09 km/h) |
| 45 mph (72.42 km/h) | 48.3 mph (77.73 km/h) |
| 50 mph (80.47 km/h) | 53.66 mph (86.36 km/h) |
| 55 mph (88.51 km/h) | 59.03 mph (95 km/h) |
| 60 mph (96.56 km/h) | 64.39 mph (103.63 km/h) |
| 65 mph (104.61 km/h) | 69.76 mph (112.27 km/h) |
| 70 mph (112.65 km/h) | 75.13 mph (120.91 km/h) |
| 75 mph (120.7 km/h) | 80.49 mph (129.54 km/h) |
| 80 mph (128.75 km/h) | 85.86 mph (138.18 km/h) |
| 85 mph (136.79 km/h) | 91.23 mph (146.81 km/h) |
| 90 mph (144.84 km/h) | 96.59 mph (155.45 km/h) |
| 95 mph (152.89 km/h) | 101.96 mph (164.09 km/h) |
| 100 mph (160.93 km/h) | 107.32 mph (172.72 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1569 | 1823 | 1963 | 2050 | 2143 | 2210 | 2284 | 2370 | 2491 | 2611 | 2744 | 2851 | 3045 | 3258 | 3425 | 3532 | 3592 | 3813 | 4120 | 4788 |
Better Fuel Economy Factory Ratios Increased Power
