Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 215/75-17 | 225/75-17.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.7 (754.3) | 30.79 (782) | 1.09 (27.7) 3.7% |
| Width inches (mm) | 8.46 (215) | 8.86 (225) | 0.39 (10) 4.7% |
| Circum. inches (mm) | 93.3 (2369.7) | 96.72 (2456.73) | 3.43 (87.02) 3.7% |
| Sidewall Height inches (mm) | 6.35 (161.25) | 6.64 (168.75) | 0.3 (7.5) 4.7% |
| Revolutions per mile (km) | 679.13 (421.99) | 655.08 (407.05) | -24.06 (-14.95) -3.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.73 mph (33.37 km/h) |
| 25 mph (40.23 km/h) | 25.92 mph (41.71 km/h) |
| 30 mph (48.28 km/h) | 31.1 mph (50.05 km/h) |
| 35 mph (56.33 km/h) | 36.29 mph (58.4 km/h) |
| 40 mph (64.37 km/h) | 41.47 mph (66.74 km/h) |
| 45 mph (72.42 km/h) | 46.65 mph (75.08 km/h) |
| 50 mph (80.47 km/h) | 51.84 mph (83.42 km/h) |
| 55 mph (88.51 km/h) | 57.02 mph (91.76 km/h) |
| 60 mph (96.56 km/h) | 62.2 mph (100.11 km/h) |
| 65 mph (104.61 km/h) | 67.39 mph (108.45 km/h) |
| 70 mph (112.65 km/h) | 72.57 mph (116.79 km/h) |
| 75 mph (120.7 km/h) | 77.75 mph (125.13 km/h) |
| 80 mph (128.75 km/h) | 82.94 mph (133.48 km/h) |
| 85 mph (136.79 km/h) | 88.12 mph (141.82 km/h) |
| 90 mph (144.84 km/h) | 93.31 mph (150.16 km/h) |
| 95 mph (152.89 km/h) | 98.49 mph (158.5 km/h) |
| 100 mph (160.93 km/h) | 103.67 mph (166.84 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1667 | 1937 | 2086 | 2178 | 2277 | 2348 | 2426 | 2518 | 2646 | 2774 | 2916 | 3029 | 3235 | 3462 | 3639 | 3753 | 3816 | 4051 | 4377 | 5086 |
Better Fuel Economy Factory Ratios Increased Power
