Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 135/70-13 | 315/80-22.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 20.44 (519.2) | 42.34 (1075.5) | 21.9 (556.3) 107.1% |
| Width inches (mm) | 5.31 (135) | 12.4 (315) | 7.09 (180) 133.3% |
| Circum. inches (mm) | 64.22 (1631.11) | 133.02 (3378.78) | 68.81 (1747.67) 107.1% |
| Sidewall Height inches (mm) | 3.72 (94.5) | 9.92 (252) | 6.2 (157.5) 166.7% |
| Revolutions per mile (km) | 986.65 (613.08) | 476.31 (295.96) | -510.34 (-317.11) -51.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 41.43 mph (66.67 km/h) |
| 25 mph (40.23 km/h) | 51.79 mph (83.34 km/h) |
| 30 mph (48.28 km/h) | 62.14 mph (100.01 km/h) |
| 35 mph (56.33 km/h) | 72.5 mph (116.68 km/h) |
| 40 mph (64.37 km/h) | 82.86 mph (133.35 km/h) |
| 45 mph (72.42 km/h) | 93.22 mph (150.02 km/h) |
| 50 mph (80.47 km/h) | 103.57 mph (166.68 km/h) |
| 55 mph (88.51 km/h) | 113.93 mph (183.35 km/h) |
| 60 mph (96.56 km/h) | 124.29 mph (200.02 km/h) |
| 65 mph (104.61 km/h) | 134.64 mph (216.69 km/h) |
| 70 mph (112.65 km/h) | 145 mph (233.36 km/h) |
| 75 mph (120.7 km/h) | 155.36 mph (250.03 km/h) |
| 80 mph (128.75 km/h) | 165.72 mph (266.7 km/h) |
| 85 mph (136.79 km/h) | 176.07 mph (283.36 km/h) |
| 90 mph (144.84 km/h) | 186.43 mph (300.03 km/h) |
| 95 mph (152.89 km/h) | 196.79 mph (316.7 km/h) |
| 100 mph (160.93 km/h) | 207.15 mph (333.37 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1212 | 1408 | 1516 | 1583 | 1656 | 1707 | 1764 | 1831 | 1924 | 2017 | 2120 | 2202 | 2352 | 2517 | 2646 | 2729 | 2775 | 2945 | 3182 | 3698 |
Better Fuel Economy Factory Ratios Increased Power
