Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 29.5/10.5-15 | 225/50-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.51 (749.46) | 25.86 (656.8) | -3.65 (-92.66) -12.4% |
| Width inches (mm) | 10.51 (267) | 8.86 (225) | -1.65 (-42) -15.7% |
| Circum. inches (mm) | 92.7 (2354.5) | 81.24 (2063.4) | -11.46 (-291.1) -12.4% |
| Sidewall Height inches (mm) | 7.25 (184.23) | 4.43 (112.5) | -2.82 (-71.73) -38.9% |
| Revolutions per mile (km) | 683.52 (424.72) | 779.95 (484.64) | 96.43 (59.92) 14.1% |
225/50-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 17.53 mph (28.21 km/h) |
| 25 mph (40.23 km/h) | 21.91 mph (35.26 km/h) |
| 30 mph (48.28 km/h) | 26.29 mph (42.31 km/h) |
| 35 mph (56.33 km/h) | 30.67 mph (49.36 km/h) |
| 40 mph (64.37 km/h) | 35.05 mph (56.41 km/h) |
| 45 mph (72.42 km/h) | 39.44 mph (63.47 km/h) |
| 50 mph (80.47 km/h) | 43.82 mph (70.52 km/h) |
| 55 mph (88.51 km/h) | 48.2 mph (77.57 km/h) |
| 60 mph (96.56 km/h) | 52.58 mph (84.62 km/h) |
| 65 mph (104.61 km/h) | 56.96 mph (91.67 km/h) |
| 70 mph (112.65 km/h) | 61.35 mph (98.73 km/h) |
| 75 mph (120.7 km/h) | 65.73 mph (105.78 km/h) |
| 80 mph (128.75 km/h) | 70.11 mph (112.83 km/h) |
| 85 mph (136.79 km/h) | 74.49 mph (119.88 km/h) |
| 90 mph (144.84 km/h) | 78.87 mph (126.93 km/h) |
| 95 mph (152.89 km/h) | 83.25 mph (133.99 km/h) |
| 100 mph (160.93 km/h) | 87.64 mph (141.04 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1985 | 2306 | 2483 | 2593 | 2711 | 2796 | 2889 | 2998 | 3150 | 3302 | 3471 | 3606 | 3851 | 4122 | 4333 | 4468 | 4544 | 4823 | 5211 | 6056 |
Better Fuel Economy Factory Ratios Increased Power
