Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 135/80-14 | 225/85-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.5 (571.6) | 35.06 (890.5) | 12.56 (318.9) 55.8% |
| Width inches (mm) | 5.31 (135) | 8.86 (225) | 3.54 (90) 66.7% |
| Circum. inches (mm) | 70.7 (1795.73) | 110.14 (2797.59) | 39.44 (1001.85) 55.8% |
| Sidewall Height inches (mm) | 4.25 (108) | 7.53 (191.25) | 3.28 (83.25) 77.1% |
| Revolutions per mile (km) | 896.2 (556.87) | 575.26 (357.45) | -320.94 (-199.42) -35.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 31.16 mph (50.14 km/h) |
| 25 mph (40.23 km/h) | 38.95 mph (62.68 km/h) |
| 30 mph (48.28 km/h) | 46.74 mph (75.22 km/h) |
| 35 mph (56.33 km/h) | 54.53 mph (87.75 km/h) |
| 40 mph (64.37 km/h) | 62.32 mph (100.29 km/h) |
| 45 mph (72.42 km/h) | 70.11 mph (112.82 km/h) |
| 50 mph (80.47 km/h) | 77.9 mph (125.36 km/h) |
| 55 mph (88.51 km/h) | 85.68 mph (137.9 km/h) |
| 60 mph (96.56 km/h) | 93.47 mph (150.43 km/h) |
| 65 mph (104.61 km/h) | 101.26 mph (162.97 km/h) |
| 70 mph (112.65 km/h) | 109.05 mph (175.5 km/h) |
| 75 mph (120.7 km/h) | 116.84 mph (188.04 km/h) |
| 80 mph (128.75 km/h) | 124.63 mph (200.58 km/h) |
| 85 mph (136.79 km/h) | 132.42 mph (213.11 km/h) |
| 90 mph (144.84 km/h) | 140.21 mph (225.65 km/h) |
| 95 mph (152.89 km/h) | 148 mph (238.19 km/h) |
| 100 mph (160.93 km/h) | 155.79 mph (250.72 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1464 | 1701 | 1831 | 1912 | 2000 | 2062 | 2130 | 2211 | 2324 | 2436 | 2560 | 2660 | 2841 | 3040 | 3196 | 3295 | 3351 | 3557 | 3844 | 4467 |
Better Fuel Economy Factory Ratios Increased Power
