Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 215/75-17 | 225/90-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.7 (754.3) | 32.94 (836.8) | 3.25 (82.5) 10.9% |
| Width inches (mm) | 8.46 (215) | 8.86 (225) | 0.39 (10) 4.7% |
| Circum. inches (mm) | 93.3 (2369.7) | 103.5 (2628.88) | 10.2 (259.18) 10.9% |
| Sidewall Height inches (mm) | 6.35 (161.25) | 7.97 (202.5) | 1.62 (41.25) 25.6% |
| Revolutions per mile (km) | 679.13 (421.99) | 612.18 (380.39) | -66.96 (-41.6) -9.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.19 mph (35.71 km/h) |
| 25 mph (40.23 km/h) | 27.73 mph (44.63 km/h) |
| 30 mph (48.28 km/h) | 33.28 mph (53.56 km/h) |
| 35 mph (56.33 km/h) | 38.83 mph (62.49 km/h) |
| 40 mph (64.37 km/h) | 44.37 mph (71.41 km/h) |
| 45 mph (72.42 km/h) | 49.92 mph (80.34 km/h) |
| 50 mph (80.47 km/h) | 55.47 mph (89.27 km/h) |
| 55 mph (88.51 km/h) | 61.02 mph (98.2 km/h) |
| 60 mph (96.56 km/h) | 66.56 mph (107.12 km/h) |
| 65 mph (104.61 km/h) | 72.11 mph (116.05 km/h) |
| 70 mph (112.65 km/h) | 77.66 mph (124.98 km/h) |
| 75 mph (120.7 km/h) | 83.2 mph (133.9 km/h) |
| 80 mph (128.75 km/h) | 88.75 mph (142.83 km/h) |
| 85 mph (136.79 km/h) | 94.3 mph (151.76 km/h) |
| 90 mph (144.84 km/h) | 99.84 mph (160.68 km/h) |
| 95 mph (152.89 km/h) | 105.39 mph (169.61 km/h) |
| 100 mph (160.93 km/h) | 110.94 mph (178.54 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1558 | 1810 | 1949 | 2035 | 2128 | 2194 | 2267 | 2353 | 2473 | 2592 | 2725 | 2831 | 3023 | 3235 | 3401 | 3507 | 3567 | 3785 | 4090 | 4753 |
Better Fuel Economy Factory Ratios Increased Power
