Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 145/60-20 | 350/60-22.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.85 (682) | 39.04 (991.5) | 12.19 (309.5) 45.4% |
| Width inches (mm) | 5.71 (145) | 13.78 (350) | 8.07 (205) 141.4% |
| Circum. inches (mm) | 84.35 (2142.57) | 122.63 (3114.89) | 38.28 (972.32) 45.4% |
| Sidewall Height inches (mm) | 3.43 (87) | 8.27 (210) | 4.84 (123) 141.4% |
| Revolutions per mile (km) | 751.13 (466.73) | 516.66 (321.04) | -234.47 (-145.69) -31.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 29.08 mph (46.79 km/h) |
| 25 mph (40.23 km/h) | 36.35 mph (58.49 km/h) |
| 30 mph (48.28 km/h) | 43.61 mph (70.19 km/h) |
| 35 mph (56.33 km/h) | 50.88 mph (81.89 km/h) |
| 40 mph (64.37 km/h) | 58.15 mph (93.59 km/h) |
| 45 mph (72.42 km/h) | 65.42 mph (105.29 km/h) |
| 50 mph (80.47 km/h) | 72.69 mph (116.98 km/h) |
| 55 mph (88.51 km/h) | 79.96 mph (128.68 km/h) |
| 60 mph (96.56 km/h) | 87.23 mph (140.38 km/h) |
| 65 mph (104.61 km/h) | 94.5 mph (152.08 km/h) |
| 70 mph (112.65 km/h) | 101.77 mph (163.78 km/h) |
| 75 mph (120.7 km/h) | 109.04 mph (175.48 km/h) |
| 80 mph (128.75 km/h) | 116.3 mph (187.18 km/h) |
| 85 mph (136.79 km/h) | 123.57 mph (198.87 km/h) |
| 90 mph (144.84 km/h) | 130.84 mph (210.57 km/h) |
| 95 mph (152.89 km/h) | 138.11 mph (222.27 km/h) |
| 100 mph (160.93 km/h) | 145.38 mph (233.97 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1315 | 1527 | 1645 | 1718 | 1796 | 1852 | 1913 | 1986 | 2087 | 2188 | 2300 | 2389 | 2551 | 2730 | 2870 | 2960 | 3010 | 3195 | 3452 | 4012 |
Better Fuel Economy Factory Ratios Increased Power
