Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/45-13 | 215/65-13 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 20.97 (532.7) | 24 (609.7) | 3.03 (77) 14.5% |
| Width inches (mm) | 8.86 (225) | 8.46 (215) | -0.39 (-10) -4.4% |
| Circum. inches (mm) | 65.89 (1673.53) | 75.41 (1915.43) | 9.52 (241.9) 14.5% |
| Sidewall Height inches (mm) | 3.99 (101.25) | 5.5 (139.75) | 1.52 (38.5) 38% |
| Revolutions per mile (km) | 961.65 (597.54) | 840.2 (522.08) | -121.45 (-75.46) -12.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.89 mph (36.84 km/h) |
| 25 mph (40.23 km/h) | 28.61 mph (46.05 km/h) |
| 30 mph (48.28 km/h) | 34.34 mph (55.26 km/h) |
| 35 mph (56.33 km/h) | 40.06 mph (64.47 km/h) |
| 40 mph (64.37 km/h) | 45.78 mph (73.68 km/h) |
| 45 mph (72.42 km/h) | 51.5 mph (82.89 km/h) |
| 50 mph (80.47 km/h) | 57.23 mph (92.1 km/h) |
| 55 mph (88.51 km/h) | 62.95 mph (101.31 km/h) |
| 60 mph (96.56 km/h) | 68.67 mph (110.52 km/h) |
| 65 mph (104.61 km/h) | 74.4 mph (119.73 km/h) |
| 70 mph (112.65 km/h) | 80.12 mph (128.94 km/h) |
| 75 mph (120.7 km/h) | 85.84 mph (138.15 km/h) |
| 80 mph (128.75 km/h) | 91.56 mph (147.36 km/h) |
| 85 mph (136.79 km/h) | 97.29 mph (156.57 km/h) |
| 90 mph (144.84 km/h) | 103.01 mph (165.78 km/h) |
| 95 mph (152.89 km/h) | 108.73 mph (174.99 km/h) |
| 100 mph (160.93 km/h) | 114.45 mph (184.2 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2138 | 2484 | 2675 | 2793 | 2921 | 3012 | 3112 | 3230 | 3394 | 3558 | 3739 | 3885 | 4149 | 4440 | 4668 | 4813 | 4895 | 5195 | 5614 | 6524 |
Better Fuel Economy Factory Ratios Increased Power
