Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 150/70-15 | 250/45-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.27 (591) | 25.86 (656.8) | 2.59 (65.8) 11.1% |
| Width inches (mm) | 5.91 (150) | 9.84 (250) | 3.94 (100) 66.7% |
| Circum. inches (mm) | 73.1 (1856.68) | 81.24 (2063.4) | 8.14 (206.72) 11.1% |
| Sidewall Height inches (mm) | 4.13 (105) | 4.43 (112.5) | 0.3 (7.5) 7.1% |
| Revolutions per mile (km) | 866.79 (538.59) | 779.95 (484.64) | -86.84 (-53.96) -10% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.23 mph (35.77 km/h) |
| 25 mph (40.23 km/h) | 27.78 mph (44.71 km/h) |
| 30 mph (48.28 km/h) | 33.34 mph (53.66 km/h) |
| 35 mph (56.33 km/h) | 38.9 mph (62.6 km/h) |
| 40 mph (64.37 km/h) | 44.45 mph (71.54 km/h) |
| 45 mph (72.42 km/h) | 50.01 mph (80.48 km/h) |
| 50 mph (80.47 km/h) | 55.57 mph (89.43 km/h) |
| 55 mph (88.51 km/h) | 61.12 mph (98.37 km/h) |
| 60 mph (96.56 km/h) | 66.68 mph (107.31 km/h) |
| 65 mph (104.61 km/h) | 72.24 mph (116.25 km/h) |
| 70 mph (112.65 km/h) | 77.79 mph (125.2 km/h) |
| 75 mph (120.7 km/h) | 83.35 mph (134.14 km/h) |
| 80 mph (128.75 km/h) | 88.91 mph (143.08 km/h) |
| 85 mph (136.79 km/h) | 94.46 mph (152.02 km/h) |
| 90 mph (144.84 km/h) | 100.02 mph (160.97 km/h) |
| 95 mph (152.89 km/h) | 105.58 mph (169.91 km/h) |
| 100 mph (160.93 km/h) | 111.13 mph (178.85 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1985 | 2306 | 2483 | 2593 | 2711 | 2796 | 2889 | 2998 | 3150 | 3302 | 3471 | 3606 | 3851 | 4122 | 4333 | 4468 | 4544 | 4823 | 5211 | 6056 |
Better Fuel Economy Factory Ratios Increased Power
