Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 285/60-17 | 285/50-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.46 (773.8) | 28.22 (716.8) | -2.24 (-57) -7.4% |
| Width inches (mm) | 11.22 (285) | 11.22 (285) | 0 (0) 0% |
| Circum. inches (mm) | 95.71 (2430.96) | 88.66 (2251.89) | -7.05 (-179.07) -7.4% |
| Sidewall Height inches (mm) | 6.73 (171) | 5.61 (142.5) | -1.12 (-28.5) -16.7% |
| Revolutions per mile (km) | 662.02 (411.36) | 714.66 (444.07) | 52.64 (32.71) 8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.53 mph (29.82 km/h) |
| 25 mph (40.23 km/h) | 23.16 mph (37.27 km/h) |
| 30 mph (48.28 km/h) | 27.79 mph (44.72 km/h) |
| 35 mph (56.33 km/h) | 32.42 mph (52.18 km/h) |
| 40 mph (64.37 km/h) | 37.05 mph (59.63 km/h) |
| 45 mph (72.42 km/h) | 41.69 mph (67.09 km/h) |
| 50 mph (80.47 km/h) | 46.32 mph (74.54 km/h) |
| 55 mph (88.51 km/h) | 50.95 mph (81.99 km/h) |
| 60 mph (96.56 km/h) | 55.58 mph (89.45 km/h) |
| 65 mph (104.61 km/h) | 60.21 mph (96.9 km/h) |
| 70 mph (112.65 km/h) | 64.84 mph (104.36 km/h) |
| 75 mph (120.7 km/h) | 69.48 mph (111.81 km/h) |
| 80 mph (128.75 km/h) | 74.11 mph (119.26 km/h) |
| 85 mph (136.79 km/h) | 78.74 mph (126.72 km/h) |
| 90 mph (144.84 km/h) | 83.37 mph (134.17 km/h) |
| 95 mph (152.89 km/h) | 88 mph (141.63 km/h) |
| 100 mph (160.93 km/h) | 92.63 mph (149.08 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1819 | 2113 | 2275 | 2376 | 2484 | 2562 | 2647 | 2747 | 2887 | 3026 | 3181 | 3305 | 3529 | 3777 | 3970 | 4094 | 4164 | 4419 | 4775 | 5549 |
Better Fuel Economy Factory Ratios Increased Power
