Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 57/90-14 | 70/90-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 18.04 (458.2) | 18.96 (481.6) | 0.92 (23.4) 5.1% |
| Width inches (mm) | 2.24 (57) | 2.76 (70) | 0.51 (13) 22.8% |
| Circum. inches (mm) | 56.67 (1439.48) | 59.57 (1512.99) | 2.89 (73.51) 5.1% |
| Sidewall Height inches (mm) | 2.02 (51.3) | 2.48 (63) | 0.46 (11.7) 22.8% |
| Revolutions per mile (km) | 1118.01 (694.7) | 1063.68 (660.94) | -54.32 (-33.75) -4.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.02 mph (33.83 km/h) |
| 25 mph (40.23 km/h) | 26.28 mph (42.29 km/h) |
| 30 mph (48.28 km/h) | 31.53 mph (50.75 km/h) |
| 35 mph (56.33 km/h) | 36.79 mph (59.2 km/h) |
| 40 mph (64.37 km/h) | 42.04 mph (67.66 km/h) |
| 45 mph (72.42 km/h) | 47.3 mph (76.12 km/h) |
| 50 mph (80.47 km/h) | 52.55 mph (84.58 km/h) |
| 55 mph (88.51 km/h) | 57.81 mph (93.03 km/h) |
| 60 mph (96.56 km/h) | 63.06 mph (101.49 km/h) |
| 65 mph (104.61 km/h) | 68.32 mph (109.95 km/h) |
| 70 mph (112.65 km/h) | 73.57 mph (118.41 km/h) |
| 75 mph (120.7 km/h) | 78.83 mph (126.87 km/h) |
| 80 mph (128.75 km/h) | 84.09 mph (135.32 km/h) |
| 85 mph (136.79 km/h) | 89.34 mph (143.78 km/h) |
| 90 mph (144.84 km/h) | 94.6 mph (152.24 km/h) |
| 95 mph (152.89 km/h) | 99.85 mph (160.7 km/h) |
| 100 mph (160.93 km/h) | 105.11 mph (169.15 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Better Fuel Economy Factory Ratios Increased Power
