Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/45-13 | 215/55-13 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 20.97 (532.7) | 22.31 (566.7) | 1.34 (34) 6.4% |
| Width inches (mm) | 8.86 (225) | 8.46 (215) | -0.39 (-10) -4.4% |
| Circum. inches (mm) | 65.89 (1673.53) | 70.09 (1780.34) | 4.21 (106.81) 6.4% |
| Sidewall Height inches (mm) | 3.99 (101.25) | 4.66 (118.25) | 0.67 (17) 16.8% |
| Revolutions per mile (km) | 961.65 (597.54) | 903.95 (561.69) | -57.7 (-35.85) -6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.28 mph (34.24 km/h) |
| 25 mph (40.23 km/h) | 26.6 mph (42.8 km/h) |
| 30 mph (48.28 km/h) | 31.91 mph (51.36 km/h) |
| 35 mph (56.33 km/h) | 37.23 mph (59.92 km/h) |
| 40 mph (64.37 km/h) | 42.55 mph (68.48 km/h) |
| 45 mph (72.42 km/h) | 47.87 mph (77.04 km/h) |
| 50 mph (80.47 km/h) | 53.19 mph (85.6 km/h) |
| 55 mph (88.51 km/h) | 58.51 mph (94.16 km/h) |
| 60 mph (96.56 km/h) | 63.83 mph (102.72 km/h) |
| 65 mph (104.61 km/h) | 69.15 mph (111.28 km/h) |
| 70 mph (112.65 km/h) | 74.47 mph (119.84 km/h) |
| 75 mph (120.7 km/h) | 79.79 mph (128.4 km/h) |
| 80 mph (128.75 km/h) | 85.11 mph (136.97 km/h) |
| 85 mph (136.79 km/h) | 90.43 mph (145.53 km/h) |
| 90 mph (144.84 km/h) | 95.74 mph (154.09 km/h) |
| 95 mph (152.89 km/h) | 101.06 mph (162.65 km/h) |
| 100 mph (160.93 km/h) | 106.38 mph (171.21 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2300 | 2672 | 2878 | 3005 | 3142 | 3240 | 3348 | 3475 | 3651 | 3827 | 4023 | 4180 | 4464 | 4777 | 5022 | 5178 | 5266 | 5589 | 6040 | 7019 |
Better Fuel Economy Factory Ratios Increased Power
