Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 215/75-17 | 245/90-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.7 (754.3) | 34.36 (872.8) | 4.67 (118.5) 15.7% |
| Width inches (mm) | 8.46 (215) | 9.65 (245) | 1.18 (30) 14% |
| Circum. inches (mm) | 93.3 (2369.7) | 107.95 (2741.98) | 14.66 (372.28) 15.7% |
| Sidewall Height inches (mm) | 6.35 (161.25) | 8.68 (220.5) | 2.33 (59.25) 36.7% |
| Revolutions per mile (km) | 679.13 (421.99) | 586.93 (364.7) | -92.21 (-57.29) -13.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 23.14 mph (37.24 km/h) |
| 25 mph (40.23 km/h) | 28.93 mph (46.55 km/h) |
| 30 mph (48.28 km/h) | 34.71 mph (55.87 km/h) |
| 35 mph (56.33 km/h) | 40.5 mph (65.18 km/h) |
| 40 mph (64.37 km/h) | 46.28 mph (74.49 km/h) |
| 45 mph (72.42 km/h) | 52.07 mph (83.8 km/h) |
| 50 mph (80.47 km/h) | 57.85 mph (93.11 km/h) |
| 55 mph (88.51 km/h) | 63.64 mph (102.42 km/h) |
| 60 mph (96.56 km/h) | 69.43 mph (111.73 km/h) |
| 65 mph (104.61 km/h) | 75.21 mph (121.04 km/h) |
| 70 mph (112.65 km/h) | 81 mph (130.35 km/h) |
| 75 mph (120.7 km/h) | 86.78 mph (139.66 km/h) |
| 80 mph (128.75 km/h) | 92.57 mph (148.97 km/h) |
| 85 mph (136.79 km/h) | 98.35 mph (158.28 km/h) |
| 90 mph (144.84 km/h) | 104.14 mph (167.6 km/h) |
| 95 mph (152.89 km/h) | 109.92 mph (176.91 km/h) |
| 100 mph (160.93 km/h) | 115.71 mph (186.22 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1494 | 1735 | 1869 | 1951 | 2040 | 2104 | 2174 | 2256 | 2371 | 2485 | 2612 | 2714 | 2898 | 3102 | 3261 | 3362 | 3419 | 3629 | 3922 | 4557 |
Better Fuel Economy Factory Ratios Increased Power
