Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 100/70-17 | 120/70-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.51 (571.8) | 23.61 (599.8) | 1.1 (28) 4.9% |
| Width inches (mm) | 3.94 (100) | 4.72 (120) | 0.79 (20) 20% |
| Circum. inches (mm) | 70.72 (1796.36) | 74.19 (1884.33) | 3.46 (87.96) 4.9% |
| Sidewall Height inches (mm) | 2.76 (70) | 3.31 (84) | 0.55 (14) 20% |
| Revolutions per mile (km) | 895.89 (556.68) | 854.07 (530.69) | -41.82 (-25.99) -4.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.98 mph (33.76 km/h) |
| 25 mph (40.23 km/h) | 26.22 mph (42.2 km/h) |
| 30 mph (48.28 km/h) | 31.47 mph (50.64 km/h) |
| 35 mph (56.33 km/h) | 36.71 mph (59.09 km/h) |
| 40 mph (64.37 km/h) | 41.96 mph (67.53 km/h) |
| 45 mph (72.42 km/h) | 47.2 mph (75.97 km/h) |
| 50 mph (80.47 km/h) | 52.45 mph (84.41 km/h) |
| 55 mph (88.51 km/h) | 57.69 mph (92.85 km/h) |
| 60 mph (96.56 km/h) | 62.94 mph (101.29 km/h) |
| 65 mph (104.61 km/h) | 68.18 mph (109.73 km/h) |
| 70 mph (112.65 km/h) | 73.43 mph (118.17 km/h) |
| 75 mph (120.7 km/h) | 78.67 mph (126.61 km/h) |
| 80 mph (128.75 km/h) | 83.92 mph (135.05 km/h) |
| 85 mph (136.79 km/h) | 89.16 mph (143.49 km/h) |
| 90 mph (144.84 km/h) | 94.41 mph (151.93 km/h) |
| 95 mph (152.89 km/h) | 99.65 mph (160.37 km/h) |
| 100 mph (160.93 km/h) | 104.9 mph (168.82 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2173 | 2525 | 2719 | 2839 | 2969 | 3061 | 3163 | 3283 | 3450 | 3616 | 3801 | 3949 | 4217 | 4513 | 4745 | 4893 | 4976 | 5281 | 5706 | 6631 |
Better Fuel Economy Factory Ratios Increased Power
