Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 145/80-14 | 275/60-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.13 (587.6) | 26.99 (685.6) | 3.86 (98) 16.7% |
| Width inches (mm) | 5.71 (145) | 10.83 (275) | 5.12 (130) 89.7% |
| Circum. inches (mm) | 72.68 (1846) | 84.8 (2153.88) | 12.12 (307.88) 16.7% |
| Sidewall Height inches (mm) | 4.57 (116) | 6.5 (165) | 1.93 (49) 42.2% |
| Revolutions per mile (km) | 871.8 (541.71) | 747.19 (464.28) | -124.62 (-77.43) -14.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 23.34 mph (37.56 km/h) |
| 25 mph (40.23 km/h) | 29.17 mph (46.94 km/h) |
| 30 mph (48.28 km/h) | 35 mph (56.33 km/h) |
| 35 mph (56.33 km/h) | 40.84 mph (65.72 km/h) |
| 40 mph (64.37 km/h) | 46.67 mph (75.11 km/h) |
| 45 mph (72.42 km/h) | 52.51 mph (84.5 km/h) |
| 50 mph (80.47 km/h) | 58.34 mph (93.89 km/h) |
| 55 mph (88.51 km/h) | 64.17 mph (103.28 km/h) |
| 60 mph (96.56 km/h) | 70.01 mph (112.67 km/h) |
| 65 mph (104.61 km/h) | 75.84 mph (122.05 km/h) |
| 70 mph (112.65 km/h) | 81.67 mph (131.44 km/h) |
| 75 mph (120.7 km/h) | 87.51 mph (140.83 km/h) |
| 80 mph (128.75 km/h) | 93.34 mph (150.22 km/h) |
| 85 mph (136.79 km/h) | 99.18 mph (159.61 km/h) |
| 90 mph (144.84 km/h) | 105.01 mph (169 km/h) |
| 95 mph (152.89 km/h) | 110.84 mph (178.39 km/h) |
| 100 mph (160.93 km/h) | 116.68 mph (187.78 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1901 | 2209 | 2379 | 2484 | 2597 | 2678 | 2767 | 2872 | 3018 | 3164 | 3326 | 3455 | 3690 | 3949 | 4151 | 4280 | 4353 | 4620 | 4992 | 5801 |
Better Fuel Economy Factory Ratios Increased Power
