Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 285/70-17 | 285/60-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 32.71 (830.8) | 30.46 (773.8) | -2.24 (-57) -6.9% |
| Width inches (mm) | 11.22 (285) | 11.22 (285) | 0 (0) 0% |
| Circum. inches (mm) | 102.76 (2610.04) | 95.71 (2430.96) | -7.05 (-179.07) -6.9% |
| Sidewall Height inches (mm) | 7.85 (199.5) | 6.73 (171) | -1.12 (-28.5) -14.3% |
| Revolutions per mile (km) | 616.6 (383.14) | 662.02 (411.36) | 45.42 (28.22) 7.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.63 mph (29.98 km/h) |
| 25 mph (40.23 km/h) | 23.28 mph (37.47 km/h) |
| 30 mph (48.28 km/h) | 27.94 mph (44.97 km/h) |
| 35 mph (56.33 km/h) | 32.6 mph (52.46 km/h) |
| 40 mph (64.37 km/h) | 37.26 mph (59.96 km/h) |
| 45 mph (72.42 km/h) | 41.91 mph (67.45 km/h) |
| 50 mph (80.47 km/h) | 46.57 mph (74.95 km/h) |
| 55 mph (88.51 km/h) | 51.23 mph (82.44 km/h) |
| 60 mph (96.56 km/h) | 55.88 mph (89.94 km/h) |
| 65 mph (104.61 km/h) | 60.54 mph (97.43 km/h) |
| 70 mph (112.65 km/h) | 65.2 mph (104.93 km/h) |
| 75 mph (120.7 km/h) | 69.85 mph (112.42 km/h) |
| 80 mph (128.75 km/h) | 74.51 mph (119.91 km/h) |
| 85 mph (136.79 km/h) | 79.17 mph (127.41 km/h) |
| 90 mph (144.84 km/h) | 83.83 mph (134.9 km/h) |
| 95 mph (152.89 km/h) | 88.48 mph (142.4 km/h) |
| 100 mph (160.93 km/h) | 93.14 mph (149.89 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1685 | 1957 | 2108 | 2201 | 2301 | 2373 | 2452 | 2545 | 2674 | 2803 | 2946 | 3061 | 3269 | 3498 | 3678 | 3792 | 3857 | 4093 | 4423 | 5140 |
Better Fuel Economy Factory Ratios Increased Power
