Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 145/60-20 | 345/60-22 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.85 (682) | 38.3 (972.8) | 11.45 (290.8) 42.6% |
| Width inches (mm) | 5.71 (145) | 13.58 (345) | 7.87 (200) 137.9% |
| Circum. inches (mm) | 84.35 (2142.57) | 120.32 (3056.14) | 35.97 (913.58) 42.6% |
| Sidewall Height inches (mm) | 3.43 (87) | 8.15 (207) | 4.72 (120) 137.9% |
| Revolutions per mile (km) | 751.13 (466.73) | 526.59 (327.21) | -224.54 (-139.52) -29.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 28.53 mph (45.91 km/h) |
| 25 mph (40.23 km/h) | 35.66 mph (57.39 km/h) |
| 30 mph (48.28 km/h) | 42.79 mph (68.87 km/h) |
| 35 mph (56.33 km/h) | 49.92 mph (80.34 km/h) |
| 40 mph (64.37 km/h) | 57.06 mph (91.82 km/h) |
| 45 mph (72.42 km/h) | 64.19 mph (103.3 km/h) |
| 50 mph (80.47 km/h) | 71.32 mph (114.78 km/h) |
| 55 mph (88.51 km/h) | 78.45 mph (126.26 km/h) |
| 60 mph (96.56 km/h) | 85.58 mph (137.73 km/h) |
| 65 mph (104.61 km/h) | 92.72 mph (149.21 km/h) |
| 70 mph (112.65 km/h) | 99.85 mph (160.69 km/h) |
| 75 mph (120.7 km/h) | 106.98 mph (172.17 km/h) |
| 80 mph (128.75 km/h) | 114.11 mph (183.64 km/h) |
| 85 mph (136.79 km/h) | 121.24 mph (195.12 km/h) |
| 90 mph (144.84 km/h) | 128.38 mph (206.6 km/h) |
| 95 mph (152.89 km/h) | 135.51 mph (218.08 km/h) |
| 100 mph (160.93 km/h) | 142.64 mph (229.56 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1340 | 1557 | 1677 | 1751 | 1830 | 1888 | 1950 | 2024 | 2127 | 2230 | 2344 | 2435 | 2600 | 2783 | 2925 | 3017 | 3068 | 3256 | 3518 | 4089 |
Better Fuel Economy Factory Ratios Increased Power
