Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 125/80-16 | 225/45-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.87 (606.4) | 24.97 (634.3) | 1.1 (27.9) 4.6% |
| Width inches (mm) | 4.92 (125) | 8.86 (225) | 3.94 (100) 80% |
| Circum. inches (mm) | 75 (1905.06) | 78.45 (1992.71) | 3.45 (87.65) 4.6% |
| Sidewall Height inches (mm) | 3.94 (100) | 3.99 (101.25) | 0.05 (1.25) 1.3% |
| Revolutions per mile (km) | 844.77 (524.92) | 807.61 (501.83) | -37.16 (-23.09) -4.4% |
225/45-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.92 mph (33.67 km/h) |
| 25 mph (40.23 km/h) | 26.15 mph (42.08 km/h) |
| 30 mph (48.28 km/h) | 31.38 mph (50.5 km/h) |
| 35 mph (56.33 km/h) | 36.61 mph (58.92 km/h) |
| 40 mph (64.37 km/h) | 41.84 mph (67.34 km/h) |
| 45 mph (72.42 km/h) | 47.07 mph (75.75 km/h) |
| 50 mph (80.47 km/h) | 52.3 mph (84.17 km/h) |
| 55 mph (88.51 km/h) | 57.53 mph (92.59 km/h) |
| 60 mph (96.56 km/h) | 62.76 mph (101 km/h) |
| 65 mph (104.61 km/h) | 67.99 mph (109.42 km/h) |
| 70 mph (112.65 km/h) | 73.22 mph (117.84 km/h) |
| 75 mph (120.7 km/h) | 78.45 mph (126.25 km/h) |
| 80 mph (128.75 km/h) | 83.68 mph (134.67 km/h) |
| 85 mph (136.79 km/h) | 88.91 mph (143.09 km/h) |
| 90 mph (144.84 km/h) | 94.14 mph (151.51 km/h) |
| 95 mph (152.89 km/h) | 99.37 mph (159.92 km/h) |
| 100 mph (160.93 km/h) | 104.6 mph (168.34 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
