Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 215/45-15 | 225/45-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.62 (574.5) | 24.97 (634.3) | 2.35 (59.8) 10.4% |
| Width inches (mm) | 8.46 (215) | 8.86 (225) | 0.39 (10) 4.7% |
| Circum. inches (mm) | 71.06 (1804.84) | 78.45 (1992.71) | 7.4 (187.87) 10.4% |
| Sidewall Height inches (mm) | 3.81 (96.75) | 3.99 (101.25) | 0.18 (4.5) 4.7% |
| Revolutions per mile (km) | 891.68 (554.06) | 807.61 (501.83) | -84.07 (-52.24) -9.4% |
225/45-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.08 mph (35.54 km/h) |
| 25 mph (40.23 km/h) | 27.6 mph (44.42 km/h) |
| 30 mph (48.28 km/h) | 33.12 mph (53.31 km/h) |
| 35 mph (56.33 km/h) | 38.64 mph (62.19 km/h) |
| 40 mph (64.37 km/h) | 44.16 mph (71.07 km/h) |
| 45 mph (72.42 km/h) | 49.68 mph (79.96 km/h) |
| 50 mph (80.47 km/h) | 55.2 mph (88.84 km/h) |
| 55 mph (88.51 km/h) | 60.72 mph (97.73 km/h) |
| 60 mph (96.56 km/h) | 66.25 mph (106.61 km/h) |
| 65 mph (104.61 km/h) | 71.77 mph (115.5 km/h) |
| 70 mph (112.65 km/h) | 77.29 mph (124.38 km/h) |
| 75 mph (120.7 km/h) | 82.81 mph (133.26 km/h) |
| 80 mph (128.75 km/h) | 88.33 mph (142.15 km/h) |
| 85 mph (136.79 km/h) | 93.85 mph (151.03 km/h) |
| 90 mph (144.84 km/h) | 99.37 mph (159.92 km/h) |
| 95 mph (152.89 km/h) | 104.89 mph (168.8 km/h) |
| 100 mph (160.93 km/h) | 110.41 mph (177.69 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2055 | 2388 | 2571 | 2685 | 2807 | 2895 | 2991 | 3105 | 3262 | 3420 | 3594 | 3734 | 3988 | 4268 | 4487 | 4626 | 4705 | 4994 | 5396 | 6271 |
Better Fuel Economy Factory Ratios Increased Power
