Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/45-13 | 215/60-13 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 20.97 (532.7) | 23.16 (588.2) | 2.19 (55.5) 10.4% |
| Width inches (mm) | 8.86 (225) | 8.46 (215) | -0.39 (-10) -4.4% |
| Circum. inches (mm) | 65.89 (1673.53) | 72.75 (1847.88) | 6.86 (174.36) 10.4% |
| Sidewall Height inches (mm) | 3.99 (101.25) | 5.08 (129) | 1.09 (27.75) 27.4% |
| Revolutions per mile (km) | 961.65 (597.54) | 870.91 (541.16) | -90.74 (-56.38) -9.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.08 mph (35.54 km/h) |
| 25 mph (40.23 km/h) | 27.6 mph (44.43 km/h) |
| 30 mph (48.28 km/h) | 33.13 mph (53.31 km/h) |
| 35 mph (56.33 km/h) | 38.65 mph (62.2 km/h) |
| 40 mph (64.37 km/h) | 44.17 mph (71.08 km/h) |
| 45 mph (72.42 km/h) | 49.69 mph (79.97 km/h) |
| 50 mph (80.47 km/h) | 55.21 mph (88.85 km/h) |
| 55 mph (88.51 km/h) | 60.73 mph (97.74 km/h) |
| 60 mph (96.56 km/h) | 66.25 mph (106.62 km/h) |
| 65 mph (104.61 km/h) | 71.77 mph (115.51 km/h) |
| 70 mph (112.65 km/h) | 77.29 mph (124.39 km/h) |
| 75 mph (120.7 km/h) | 82.81 mph (133.28 km/h) |
| 80 mph (128.75 km/h) | 88.33 mph (142.16 km/h) |
| 85 mph (136.79 km/h) | 93.86 mph (151.05 km/h) |
| 90 mph (144.84 km/h) | 99.38 mph (159.93 km/h) |
| 95 mph (152.89 km/h) | 104.9 mph (168.82 km/h) |
| 100 mph (160.93 km/h) | 110.42 mph (177.7 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2216 | 2575 | 2773 | 2895 | 3027 | 3122 | 3225 | 3348 | 3518 | 3688 | 3876 | 4027 | 4301 | 4602 | 4838 | 4989 | 5074 | 5385 | 5819 | 6762 |
Better Fuel Economy Factory Ratios Increased Power
