Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/82-15 | 355/90-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.65 (651.6) | 45.16 (1147) | 19.5 (495.4) 76% |
| Width inches (mm) | 6.5 (165) | 13.98 (355) | 7.48 (190) 115.2% |
| Circum. inches (mm) | 80.59 (2047.06) | 141.87 (3603.41) | 61.27 (1556.35) 76% |
| Sidewall Height inches (mm) | 5.33 (135.3) | 12.58 (319.5) | 7.25 (184.2) 136.1% |
| Revolutions per mile (km) | 786.17 (488.5) | 446.62 (277.51) | -339.56 (-210.99) -43.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 35.21 mph (56.66 km/h) |
| 25 mph (40.23 km/h) | 44.01 mph (70.82 km/h) |
| 30 mph (48.28 km/h) | 52.81 mph (84.99 km/h) |
| 35 mph (56.33 km/h) | 61.61 mph (99.15 km/h) |
| 40 mph (64.37 km/h) | 70.41 mph (113.32 km/h) |
| 45 mph (72.42 km/h) | 79.21 mph (127.48 km/h) |
| 50 mph (80.47 km/h) | 88.01 mph (141.65 km/h) |
| 55 mph (88.51 km/h) | 96.82 mph (155.81 km/h) |
| 60 mph (96.56 km/h) | 105.62 mph (169.97 km/h) |
| 65 mph (104.61 km/h) | 114.42 mph (184.14 km/h) |
| 70 mph (112.65 km/h) | 123.22 mph (198.3 km/h) |
| 75 mph (120.7 km/h) | 132.02 mph (212.47 km/h) |
| 80 mph (128.75 km/h) | 140.82 mph (226.63 km/h) |
| 85 mph (136.79 km/h) | 149.62 mph (240.8 km/h) |
| 90 mph (144.84 km/h) | 158.43 mph (254.96 km/h) |
| 95 mph (152.89 km/h) | 167.23 mph (269.13 km/h) |
| 100 mph (160.93 km/h) | 176.03 mph (283.29 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
