Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 155/82-15 | 145/80-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.01 (635.2) | 24.13 (613) | -0.87 (-22.2) -3.5% |
| Width inches (mm) | 6.1 (155) | 5.71 (145) | -0.39 (-10) -6.5% |
| Circum. inches (mm) | 78.56 (1995.54) | 75.82 (1925.8) | -2.75 (-69.74) -3.5% |
| Sidewall Height inches (mm) | 5 (127.1) | 4.57 (116) | -0.44 (-11.1) -8.7% |
| Revolutions per mile (km) | 806.47 (501.12) | 835.68 (519.26) | 29.21 (18.15) 3.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.3 mph (31.06 km/h) |
| 25 mph (40.23 km/h) | 24.13 mph (38.83 km/h) |
| 30 mph (48.28 km/h) | 28.95 mph (46.59 km/h) |
| 35 mph (56.33 km/h) | 33.78 mph (54.36 km/h) |
| 40 mph (64.37 km/h) | 38.6 mph (62.12 km/h) |
| 45 mph (72.42 km/h) | 43.43 mph (69.89 km/h) |
| 50 mph (80.47 km/h) | 48.25 mph (77.66 km/h) |
| 55 mph (88.51 km/h) | 53.08 mph (85.42 km/h) |
| 60 mph (96.56 km/h) | 57.9 mph (93.19 km/h) |
| 65 mph (104.61 km/h) | 62.73 mph (100.95 km/h) |
| 70 mph (112.65 km/h) | 67.55 mph (108.72 km/h) |
| 75 mph (120.7 km/h) | 72.38 mph (116.48 km/h) |
| 80 mph (128.75 km/h) | 77.2 mph (124.25 km/h) |
| 85 mph (136.79 km/h) | 82.03 mph (132.01 km/h) |
| 90 mph (144.84 km/h) | 86.85 mph (139.78 km/h) |
| 95 mph (152.89 km/h) | 91.68 mph (147.54 km/h) |
| 100 mph (160.93 km/h) | 96.51 mph (155.31 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2127 | 2471 | 2661 | 2778 | 2905 | 2995 | 3095 | 3213 | 3375 | 3538 | 3719 | 3864 | 4127 | 4416 | 4642 | 4787 | 4869 | 5167 | 5584 | 6489 |
Better Fuel Economy Factory Ratios Increased Power
