Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 275/45-17 | 285/45-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.74 (679.3) | 27.1 (688.3) | 0.35 (9) 1.3% |
| Width inches (mm) | 10.83 (275) | 11.22 (285) | 0.39 (10) 3.6% |
| Circum. inches (mm) | 84.02 (2134.08) | 85.13 (2162.36) | 1.11 (28.27) 1.3% |
| Sidewall Height inches (mm) | 4.87 (123.75) | 5.05 (128.25) | 0.18 (4.5) 3.6% |
| Revolutions per mile (km) | 754.11 (468.58) | 744.25 (462.46) | -9.86 (-6.13) -1.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.26 mph (32.61 km/h) |
| 25 mph (40.23 km/h) | 25.33 mph (40.77 km/h) |
| 30 mph (48.28 km/h) | 30.4 mph (48.92 km/h) |
| 35 mph (56.33 km/h) | 35.46 mph (57.07 km/h) |
| 40 mph (64.37 km/h) | 40.53 mph (65.23 km/h) |
| 45 mph (72.42 km/h) | 45.6 mph (73.38 km/h) |
| 50 mph (80.47 km/h) | 50.66 mph (81.53 km/h) |
| 55 mph (88.51 km/h) | 55.73 mph (89.69 km/h) |
| 60 mph (96.56 km/h) | 60.79 mph (97.84 km/h) |
| 65 mph (104.61 km/h) | 65.86 mph (105.99 km/h) |
| 70 mph (112.65 km/h) | 70.93 mph (114.15 km/h) |
| 75 mph (120.7 km/h) | 75.99 mph (122.3 km/h) |
| 80 mph (128.75 km/h) | 81.06 mph (130.45 km/h) |
| 85 mph (136.79 km/h) | 86.13 mph (138.61 km/h) |
| 90 mph (144.84 km/h) | 91.19 mph (146.76 km/h) |
| 95 mph (152.89 km/h) | 96.26 mph (154.91 km/h) |
| 100 mph (160.93 km/h) | 101.32 mph (163.07 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1894 | 2200 | 2369 | 2474 | 2587 | 2668 | 2756 | 2861 | 3006 | 3151 | 3312 | 3441 | 3675 | 3933 | 4135 | 4263 | 4336 | 4602 | 4973 | 5779 |
Better Fuel Economy Factory Ratios Increased Power
