Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 90/70-14 | 70/80-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 18.96 (481.6) | 18.41 (467.6) | -0.55 (-14) -2.9% |
| Width inches (mm) | 3.54 (90) | 2.76 (70) | -0.79 (-20) -22.2% |
| Circum. inches (mm) | 59.57 (1512.99) | 57.83 (1469.01) | -1.73 (-43.98) -2.9% |
| Sidewall Height inches (mm) | 2.48 (63) | 2.2 (56) | -0.28 (-7) -11.1% |
| Revolutions per mile (km) | 1063.68 (660.94) | 1095.53 (680.73) | 31.85 (19.79) 3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.42 mph (31.25 km/h) |
| 25 mph (40.23 km/h) | 24.27 mph (39.06 km/h) |
| 30 mph (48.28 km/h) | 29.13 mph (46.88 km/h) |
| 35 mph (56.33 km/h) | 33.98 mph (54.69 km/h) |
| 40 mph (64.37 km/h) | 38.84 mph (62.5 km/h) |
| 45 mph (72.42 km/h) | 43.69 mph (70.32 km/h) |
| 50 mph (80.47 km/h) | 48.55 mph (78.13 km/h) |
| 55 mph (88.51 km/h) | 53.4 mph (85.94 km/h) |
| 60 mph (96.56 km/h) | 58.26 mph (93.75 km/h) |
| 65 mph (104.61 km/h) | 63.11 mph (101.57 km/h) |
| 70 mph (112.65 km/h) | 67.97 mph (109.38 km/h) |
| 75 mph (120.7 km/h) | 72.82 mph (117.19 km/h) |
| 80 mph (128.75 km/h) | 77.67 mph (125.01 km/h) |
| 85 mph (136.79 km/h) | 82.53 mph (132.82 km/h) |
| 90 mph (144.84 km/h) | 87.38 mph (140.63 km/h) |
| 95 mph (152.89 km/h) | 92.24 mph (148.44 km/h) |
| 100 mph (160.93 km/h) | 97.09 mph (156.26 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
