Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/45-13 | 215/30-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 20.97 (532.7) | 22.08 (560.8) | 1.11 (28.1) 5.3% |
| Width inches (mm) | 8.86 (225) | 8.46 (215) | -0.39 (-10) -4.4% |
| Circum. inches (mm) | 65.89 (1673.53) | 69.36 (1761.81) | 3.48 (88.28) 5.3% |
| Sidewall Height inches (mm) | 3.99 (101.25) | 2.54 (64.5) | -1.45 (-36.75) -36.3% |
| Revolutions per mile (km) | 961.65 (597.54) | 913.46 (567.6) | -48.19 (-29.94) -5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.06 mph (33.88 km/h) |
| 25 mph (40.23 km/h) | 26.32 mph (42.36 km/h) |
| 30 mph (48.28 km/h) | 31.58 mph (50.83 km/h) |
| 35 mph (56.33 km/h) | 36.85 mph (59.3 km/h) |
| 40 mph (64.37 km/h) | 42.11 mph (67.77 km/h) |
| 45 mph (72.42 km/h) | 47.37 mph (76.24 km/h) |
| 50 mph (80.47 km/h) | 52.64 mph (84.71 km/h) |
| 55 mph (88.51 km/h) | 57.9 mph (93.18 km/h) |
| 60 mph (96.56 km/h) | 63.17 mph (101.65 km/h) |
| 65 mph (104.61 km/h) | 68.43 mph (110.13 km/h) |
| 70 mph (112.65 km/h) | 73.69 mph (118.6 km/h) |
| 75 mph (120.7 km/h) | 78.96 mph (127.07 km/h) |
| 80 mph (128.75 km/h) | 84.22 mph (135.54 km/h) |
| 85 mph (136.79 km/h) | 89.48 mph (144.01 km/h) |
| 90 mph (144.84 km/h) | 94.75 mph (152.48 km/h) |
| 95 mph (152.89 km/h) | 100.01 mph (160.95 km/h) |
| 100 mph (160.93 km/h) | 105.28 mph (169.42 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2325 | 2700 | 2908 | 3037 | 3175 | 3274 | 3383 | 3512 | 3690 | 3868 | 4066 | 4224 | 4511 | 4827 | 5075 | 5233 | 5322 | 5648 | 6103 | 7092 |
Better Fuel Economy Factory Ratios Increased Power
