Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 145/60-13 | 315/25-22 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 19.85 (504.2) | 28.2 (716.3) | 8.35 (212.1) 42.1% |
| Width inches (mm) | 5.71 (145) | 12.4 (315) | 6.69 (170) 117.2% |
| Circum. inches (mm) | 62.36 (1583.99) | 88.6 (2250.32) | 26.23 (666.33) 42.1% |
| Sidewall Height inches (mm) | 3.43 (87) | 3.1 (78.75) | -0.32 (-8.25) -9.5% |
| Revolutions per mile (km) | 1016.01 (631.32) | 715.16 (444.38) | -300.84 (-186.94) -29.6% |
315/25-22 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 28.41 mph (45.73 km/h) |
| 25 mph (40.23 km/h) | 35.52 mph (57.16 km/h) |
| 30 mph (48.28 km/h) | 42.62 mph (68.59 km/h) |
| 35 mph (56.33 km/h) | 49.72 mph (80.02 km/h) |
| 40 mph (64.37 km/h) | 56.83 mph (91.45 km/h) |
| 45 mph (72.42 km/h) | 63.93 mph (102.89 km/h) |
| 50 mph (80.47 km/h) | 71.03 mph (114.32 km/h) |
| 55 mph (88.51 km/h) | 78.14 mph (125.75 km/h) |
| 60 mph (96.56 km/h) | 85.24 mph (137.18 km/h) |
| 65 mph (104.61 km/h) | 92.34 mph (148.61 km/h) |
| 70 mph (112.65 km/h) | 99.45 mph (160.04 km/h) |
| 75 mph (120.7 km/h) | 106.55 mph (171.48 km/h) |
| 80 mph (128.75 km/h) | 113.65 mph (182.91 km/h) |
| 85 mph (136.79 km/h) | 120.76 mph (194.34 km/h) |
| 90 mph (144.84 km/h) | 127.86 mph (205.77 km/h) |
| 95 mph (152.89 km/h) | 134.96 mph (217.2 km/h) |
| 100 mph (160.93 km/h) | 142.07 mph (228.63 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1820 | 2114 | 2277 | 2378 | 2486 | 2563 | 2649 | 2749 | 2889 | 3028 | 3183 | 3307 | 3531 | 3779 | 3973 | 4097 | 4167 | 4422 | 4778 | 5553 |
Better Fuel Economy Factory Ratios Increased Power
