Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 150/70-15 | 250/40-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.27 (591) | 24.87 (631.8) | 1.61 (40.8) 6.9% |
| Width inches (mm) | 5.91 (150) | 9.84 (250) | 3.94 (100) 66.7% |
| Circum. inches (mm) | 73.1 (1856.68) | 78.14 (1984.86) | 5.05 (128.18) 6.9% |
| Sidewall Height inches (mm) | 4.13 (105) | 3.94 (100) | -0.2 (-5) -4.8% |
| Revolutions per mile (km) | 866.79 (538.59) | 810.81 (503.81) | -55.97 (-34.78) -6.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.38 mph (34.41 km/h) |
| 25 mph (40.23 km/h) | 26.73 mph (43.01 km/h) |
| 30 mph (48.28 km/h) | 32.07 mph (51.61 km/h) |
| 35 mph (56.33 km/h) | 37.42 mph (60.22 km/h) |
| 40 mph (64.37 km/h) | 42.76 mph (68.82 km/h) |
| 45 mph (72.42 km/h) | 48.11 mph (77.42 km/h) |
| 50 mph (80.47 km/h) | 53.45 mph (86.02 km/h) |
| 55 mph (88.51 km/h) | 58.8 mph (94.62 km/h) |
| 60 mph (96.56 km/h) | 64.14 mph (103.23 km/h) |
| 65 mph (104.61 km/h) | 69.49 mph (111.83 km/h) |
| 70 mph (112.65 km/h) | 74.83 mph (120.43 km/h) |
| 75 mph (120.7 km/h) | 80.18 mph (129.03 km/h) |
| 80 mph (128.75 km/h) | 85.52 mph (137.64 km/h) |
| 85 mph (136.79 km/h) | 90.87 mph (146.24 km/h) |
| 90 mph (144.84 km/h) | 96.21 mph (154.84 km/h) |
| 95 mph (152.89 km/h) | 101.56 mph (163.44 km/h) |
| 100 mph (160.93 km/h) | 106.9 mph (172.04 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2063 | 2397 | 2581 | 2696 | 2818 | 2906 | 3003 | 3117 | 3275 | 3433 | 3609 | 3749 | 4004 | 4285 | 4504 | 4645 | 4724 | 5014 | 5417 | 6295 |
Better Fuel Economy Factory Ratios Increased Power
