Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 195/70-17 | 285/70-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.75 (704.8) | 32.71 (830.8) | 4.96 (126) 17.9% |
| Width inches (mm) | 7.68 (195) | 11.22 (285) | 3.54 (90) 46.2% |
| Circum. inches (mm) | 87.17 (2214.19) | 102.76 (2610.04) | 15.58 (395.84) 17.9% |
| Sidewall Height inches (mm) | 5.37 (136.5) | 7.85 (199.5) | 2.48 (63) 46.2% |
| Revolutions per mile (km) | 726.83 (451.63) | 616.6 (383.14) | -110.23 (-68.49) -15.2% |
285/70-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 23.58 mph (37.94 km/h) |
| 25 mph (40.23 km/h) | 29.47 mph (47.43 km/h) |
| 30 mph (48.28 km/h) | 35.36 mph (56.91 km/h) |
| 35 mph (56.33 km/h) | 41.26 mph (66.4 km/h) |
| 40 mph (64.37 km/h) | 47.15 mph (75.88 km/h) |
| 45 mph (72.42 km/h) | 53.04 mph (85.37 km/h) |
| 50 mph (80.47 km/h) | 58.94 mph (94.85 km/h) |
| 55 mph (88.51 km/h) | 64.83 mph (104.34 km/h) |
| 60 mph (96.56 km/h) | 70.73 mph (113.82 km/h) |
| 65 mph (104.61 km/h) | 76.62 mph (123.31 km/h) |
| 70 mph (112.65 km/h) | 82.51 mph (132.79 km/h) |
| 75 mph (120.7 km/h) | 88.41 mph (142.28 km/h) |
| 80 mph (128.75 km/h) | 94.3 mph (151.76 km/h) |
| 85 mph (136.79 km/h) | 100.2 mph (161.25 km/h) |
| 90 mph (144.84 km/h) | 106.09 mph (170.74 km/h) |
| 95 mph (152.89 km/h) | 111.98 mph (180.22 km/h) |
| 100 mph (160.93 km/h) | 117.88 mph (189.71 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
