Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 245/60-15 | 225/70-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.57 (675) | 27.4 (696) | 0.83 (21) 3.1% |
| Width inches (mm) | 9.65 (245) | 8.86 (225) | -0.79 (-20) -8.2% |
| Circum. inches (mm) | 83.49 (2120.58) | 86.08 (2186.55) | 2.6 (65.97) 3.1% |
| Sidewall Height inches (mm) | 5.79 (147) | 6.2 (157.5) | 0.41 (10.5) 7.1% |
| Revolutions per mile (km) | 758.92 (471.57) | 736.02 (457.34) | -22.9 (-14.23) -3% |
225/70-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.62 mph (33.19 km/h) |
| 25 mph (40.23 km/h) | 25.78 mph (41.49 km/h) |
| 30 mph (48.28 km/h) | 30.93 mph (49.78 km/h) |
| 35 mph (56.33 km/h) | 36.09 mph (58.08 km/h) |
| 40 mph (64.37 km/h) | 41.24 mph (66.38 km/h) |
| 45 mph (72.42 km/h) | 46.4 mph (74.67 km/h) |
| 50 mph (80.47 km/h) | 51.56 mph (82.97 km/h) |
| 55 mph (88.51 km/h) | 56.71 mph (91.27 km/h) |
| 60 mph (96.56 km/h) | 61.87 mph (99.56 km/h) |
| 65 mph (104.61 km/h) | 67.02 mph (107.86 km/h) |
| 70 mph (112.65 km/h) | 72.18 mph (116.16 km/h) |
| 75 mph (120.7 km/h) | 77.33 mph (124.46 km/h) |
| 80 mph (128.75 km/h) | 82.49 mph (132.75 km/h) |
| 85 mph (136.79 km/h) | 87.64 mph (141.05 km/h) |
| 90 mph (144.84 km/h) | 92.8 mph (149.35 km/h) |
| 95 mph (152.89 km/h) | 97.96 mph (157.64 km/h) |
| 100 mph (160.93 km/h) | 103.11 mph (165.94 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1873 | 2176 | 2343 | 2447 | 2558 | 2638 | 2726 | 2829 | 2973 | 3116 | 3276 | 3403 | 3634 | 3890 | 4089 | 4216 | 4288 | 4551 | 4918 | 5715 |
Better Fuel Economy Factory Ratios Increased Power
