Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 160/80-15 | 240/80-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.08 (637) | 30.12 (765) | 5.04 (128) 20.1% |
| Width inches (mm) | 6.3 (160) | 9.45 (240) | 3.15 (80) 50% |
| Circum. inches (mm) | 78.79 (2001.19) | 94.62 (2403.32) | 15.83 (402.12) 20.1% |
| Sidewall Height inches (mm) | 5.04 (128) | 7.56 (192) | 2.52 (64) 50% |
| Revolutions per mile (km) | 804.19 (499.7) | 669.63 (416.09) | -134.56 (-83.61) -16.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 24.02 mph (38.65 km/h) |
| 25 mph (40.23 km/h) | 30.02 mph (48.32 km/h) |
| 30 mph (48.28 km/h) | 36.03 mph (57.98 km/h) |
| 35 mph (56.33 km/h) | 42.03 mph (67.65 km/h) |
| 40 mph (64.37 km/h) | 48.04 mph (77.31 km/h) |
| 45 mph (72.42 km/h) | 54.04 mph (86.97 km/h) |
| 50 mph (80.47 km/h) | 60.05 mph (96.64 km/h) |
| 55 mph (88.51 km/h) | 66.05 mph (106.3 km/h) |
| 60 mph (96.56 km/h) | 72.06 mph (115.96 km/h) |
| 65 mph (104.61 km/h) | 78.06 mph (125.63 km/h) |
| 70 mph (112.65 km/h) | 84.07 mph (135.29 km/h) |
| 75 mph (120.7 km/h) | 90.07 mph (144.95 km/h) |
| 80 mph (128.75 km/h) | 96.08 mph (154.62 km/h) |
| 85 mph (136.79 km/h) | 102.08 mph (164.28 km/h) |
| 90 mph (144.84 km/h) | 108.08 mph (173.95 km/h) |
| 95 mph (152.89 km/h) | 114.09 mph (183.61 km/h) |
| 100 mph (160.93 km/h) | 120.09 mph (193.27 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1704 | 1980 | 2132 | 2226 | 2328 | 2400 | 2480 | 2574 | 2705 | 2835 | 2980 | 3096 | 3307 | 3539 | 3720 | 3836 | 3901 | 4141 | 4474 | 5199 |
Better Fuel Economy Factory Ratios Increased Power
