Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/70-15 | 225/70-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.4 (696) | 29.4 (746.8) | 2 (50.8) 7.3% |
| Width inches (mm) | 8.86 (225) | 8.86 (225) | 0 (0) 0% |
| Circum. inches (mm) | 86.08 (2186.55) | 92.37 (2346.14) | 6.28 (159.59) 7.3% |
| Sidewall Height inches (mm) | 6.2 (157.5) | 6.2 (157.5) | 0 (0) 0% |
| Revolutions per mile (km) | 736.02 (457.34) | 685.95 (426.23) | -50.07 (-31.11) -6.8% |
225/70-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.46 mph (34.54 km/h) |
| 25 mph (40.23 km/h) | 26.82 mph (43.17 km/h) |
| 30 mph (48.28 km/h) | 32.19 mph (51.8 km/h) |
| 35 mph (56.33 km/h) | 37.55 mph (60.44 km/h) |
| 40 mph (64.37 km/h) | 42.92 mph (69.07 km/h) |
| 45 mph (72.42 km/h) | 48.28 mph (77.71 km/h) |
| 50 mph (80.47 km/h) | 53.65 mph (86.34 km/h) |
| 55 mph (88.51 km/h) | 59.01 mph (94.97 km/h) |
| 60 mph (96.56 km/h) | 64.38 mph (103.61 km/h) |
| 65 mph (104.61 km/h) | 69.74 mph (112.24 km/h) |
| 70 mph (112.65 km/h) | 75.11 mph (120.88 km/h) |
| 75 mph (120.7 km/h) | 80.47 mph (129.51 km/h) |
| 80 mph (128.75 km/h) | 85.84 mph (138.14 km/h) |
| 85 mph (136.79 km/h) | 91.2 mph (146.78 km/h) |
| 90 mph (144.84 km/h) | 96.57 mph (155.41 km/h) |
| 95 mph (152.89 km/h) | 101.93 mph (164.05 km/h) |
| 100 mph (160.93 km/h) | 107.3 mph (172.68 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1746 | 2028 | 2184 | 2280 | 2384 | 2459 | 2540 | 2637 | 2771 | 2904 | 3053 | 3172 | 3387 | 3625 | 3811 | 3930 | 3996 | 4241 | 4583 | 5326 |
Better Fuel Economy Factory Ratios Increased Power
