Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/45-13 | 235/50-13 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 20.97 (532.7) | 22.25 (565.2) | 1.28 (32.5) 6.1% |
| Width inches (mm) | 8.86 (225) | 9.25 (235) | 0.39 (10) 4.4% |
| Circum. inches (mm) | 65.89 (1673.53) | 69.91 (1775.63) | 4.02 (102.1) 6.1% |
| Sidewall Height inches (mm) | 3.99 (101.25) | 4.63 (117.5) | 0.64 (16.25) 16% |
| Revolutions per mile (km) | 961.65 (597.54) | 906.35 (563.18) | -55.3 (-34.36) -5.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.22 mph (34.15 km/h) |
| 25 mph (40.23 km/h) | 26.53 mph (42.69 km/h) |
| 30 mph (48.28 km/h) | 31.83 mph (51.23 km/h) |
| 35 mph (56.33 km/h) | 37.14 mph (59.76 km/h) |
| 40 mph (64.37 km/h) | 42.44 mph (68.3 km/h) |
| 45 mph (72.42 km/h) | 47.75 mph (76.84 km/h) |
| 50 mph (80.47 km/h) | 53.05 mph (85.38 km/h) |
| 55 mph (88.51 km/h) | 58.36 mph (93.91 km/h) |
| 60 mph (96.56 km/h) | 63.66 mph (102.45 km/h) |
| 65 mph (104.61 km/h) | 68.97 mph (110.99 km/h) |
| 70 mph (112.65 km/h) | 74.27 mph (119.53 km/h) |
| 75 mph (120.7 km/h) | 79.58 mph (128.06 km/h) |
| 80 mph (128.75 km/h) | 84.88 mph (136.6 km/h) |
| 85 mph (136.79 km/h) | 90.19 mph (145.14 km/h) |
| 90 mph (144.84 km/h) | 95.49 mph (153.68 km/h) |
| 95 mph (152.89 km/h) | 100.8 mph (162.22 km/h) |
| 100 mph (160.93 km/h) | 106.1 mph (170.75 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2306 | 2679 | 2886 | 3013 | 3151 | 3249 | 3357 | 3484 | 3661 | 3838 | 4034 | 4191 | 4476 | 4790 | 5035 | 5192 | 5280 | 5604 | 6056 | 7037 |
Better Fuel Economy Factory Ratios Increased Power
