Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/75-16 | 285/70-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.29 (743.9) | 32.71 (830.8) | 3.42 (86.9) 11.7% |
| Width inches (mm) | 8.86 (225) | 11.22 (285) | 2.36 (60) 26.7% |
| Circum. inches (mm) | 92.01 (2337.03) | 102.76 (2610.04) | 10.75 (273) 11.7% |
| Sidewall Height inches (mm) | 6.64 (168.75) | 7.85 (199.5) | 1.21 (30.75) 18.2% |
| Revolutions per mile (km) | 688.63 (427.89) | 616.6 (383.14) | -72.03 (-44.76) -10.5% |
285/70-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.34 mph (35.95 km/h) |
| 25 mph (40.23 km/h) | 27.92 mph (44.93 km/h) |
| 30 mph (48.28 km/h) | 33.5 mph (53.92 km/h) |
| 35 mph (56.33 km/h) | 39.09 mph (62.91 km/h) |
| 40 mph (64.37 km/h) | 44.67 mph (71.89 km/h) |
| 45 mph (72.42 km/h) | 50.26 mph (80.88 km/h) |
| 50 mph (80.47 km/h) | 55.84 mph (89.87 km/h) |
| 55 mph (88.51 km/h) | 61.42 mph (98.85 km/h) |
| 60 mph (96.56 km/h) | 67.01 mph (107.84 km/h) |
| 65 mph (104.61 km/h) | 72.59 mph (116.83 km/h) |
| 70 mph (112.65 km/h) | 78.18 mph (125.81 km/h) |
| 75 mph (120.7 km/h) | 83.76 mph (134.8 km/h) |
| 80 mph (128.75 km/h) | 89.35 mph (143.79 km/h) |
| 85 mph (136.79 km/h) | 94.93 mph (152.77 km/h) |
| 90 mph (144.84 km/h) | 100.51 mph (161.76 km/h) |
| 95 mph (152.89 km/h) | 106.1 mph (170.75 km/h) |
| 100 mph (160.93 km/h) | 111.68 mph (179.73 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
