Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 90/70-14 | 90/100-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 18.96 (481.6) | 21.09 (535.6) | 2.13 (54) 11.2% |
| Width inches (mm) | 3.54 (90) | 3.54 (90) | 0 (0) 0% |
| Circum. inches (mm) | 59.57 (1512.99) | 66.25 (1682.64) | 6.68 (169.65) 11.2% |
| Sidewall Height inches (mm) | 2.48 (63) | 3.54 (90) | 1.06 (27) 42.9% |
| Revolutions per mile (km) | 1063.68 (660.94) | 956.44 (594.3) | -107.24 (-66.64) -10.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.24 mph (35.8 km/h) |
| 25 mph (40.23 km/h) | 27.8 mph (44.74 km/h) |
| 30 mph (48.28 km/h) | 33.36 mph (53.69 km/h) |
| 35 mph (56.33 km/h) | 38.92 mph (62.64 km/h) |
| 40 mph (64.37 km/h) | 44.49 mph (71.59 km/h) |
| 45 mph (72.42 km/h) | 50.05 mph (80.54 km/h) |
| 50 mph (80.47 km/h) | 55.61 mph (89.49 km/h) |
| 55 mph (88.51 km/h) | 61.17 mph (98.44 km/h) |
| 60 mph (96.56 km/h) | 66.73 mph (107.39 km/h) |
| 65 mph (104.61 km/h) | 72.29 mph (116.34 km/h) |
| 70 mph (112.65 km/h) | 77.85 mph (125.29 km/h) |
| 75 mph (120.7 km/h) | 83.41 mph (134.23 km/h) |
| 80 mph (128.75 km/h) | 88.97 mph (143.18 km/h) |
| 85 mph (136.79 km/h) | 94.53 mph (152.13 km/h) |
| 90 mph (144.84 km/h) | 100.09 mph (161.08 km/h) |
| 95 mph (152.89 km/h) | 105.65 mph (170.03 km/h) |
| 100 mph (160.93 km/h) | 111.21 mph (178.98 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
