Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 145/60-20 | 360/70-28 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.85 (682) | 47.84 (1215.2) | 20.99 (533.2) 78.2% |
| Width inches (mm) | 5.71 (145) | 14.17 (360) | 8.46 (215) 148.3% |
| Circum. inches (mm) | 84.35 (2142.57) | 150.3 (3817.66) | 65.95 (1675.1) 78.2% |
| Sidewall Height inches (mm) | 3.43 (87) | 9.92 (252) | 6.5 (165) 189.7% |
| Revolutions per mile (km) | 751.13 (466.73) | 421.55 (261.94) | -329.58 (-204.79) -43.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 35.64 mph (57.35 km/h) |
| 25 mph (40.23 km/h) | 44.55 mph (71.69 km/h) |
| 30 mph (48.28 km/h) | 53.45 mph (86.03 km/h) |
| 35 mph (56.33 km/h) | 62.36 mph (100.36 km/h) |
| 40 mph (64.37 km/h) | 71.27 mph (114.7 km/h) |
| 45 mph (72.42 km/h) | 80.18 mph (129.04 km/h) |
| 50 mph (80.47 km/h) | 89.09 mph (143.38 km/h) |
| 55 mph (88.51 km/h) | 98 mph (157.72 km/h) |
| 60 mph (96.56 km/h) | 106.91 mph (172.05 km/h) |
| 65 mph (104.61 km/h) | 115.82 mph (186.39 km/h) |
| 70 mph (112.65 km/h) | 124.73 mph (200.73 km/h) |
| 75 mph (120.7 km/h) | 133.64 mph (215.07 km/h) |
| 80 mph (128.75 km/h) | 142.55 mph (229.41 km/h) |
| 85 mph (136.79 km/h) | 151.45 mph (243.74 km/h) |
| 90 mph (144.84 km/h) | 160.36 mph (258.08 km/h) |
| 95 mph (152.89 km/h) | 169.27 mph (272.42 km/h) |
| 100 mph (160.93 km/h) | 178.18 mph (286.76 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Better Fuel Economy Factory Ratios Increased Power
