Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 280/80-16 | 285/75-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 33.64 (854.4) | 33.83 (859.3) | 0.19 (4.9) 0.6% |
| Width inches (mm) | 11.02 (280) | 11.22 (285) | 0.2 (5) 1.8% |
| Circum. inches (mm) | 105.68 (2684.18) | 106.28 (2699.57) | 0.61 (15.39) 0.6% |
| Sidewall Height inches (mm) | 8.82 (224) | 8.42 (213.75) | -0.4 (-10.25) -4.6% |
| Revolutions per mile (km) | 599.57 (372.55) | 596.15 (370.43) | -3.42 (-2.12) -0.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.11 mph (32.37 km/h) |
| 25 mph (40.23 km/h) | 25.14 mph (40.46 km/h) |
| 30 mph (48.28 km/h) | 30.17 mph (48.56 km/h) |
| 35 mph (56.33 km/h) | 35.2 mph (56.65 km/h) |
| 40 mph (64.37 km/h) | 40.23 mph (64.74 km/h) |
| 45 mph (72.42 km/h) | 45.26 mph (72.84 km/h) |
| 50 mph (80.47 km/h) | 50.29 mph (80.93 km/h) |
| 55 mph (88.51 km/h) | 55.32 mph (89.02 km/h) |
| 60 mph (96.56 km/h) | 60.34 mph (97.11 km/h) |
| 65 mph (104.61 km/h) | 65.37 mph (105.21 km/h) |
| 70 mph (112.65 km/h) | 70.4 mph (113.3 km/h) |
| 75 mph (120.7 km/h) | 75.43 mph (121.39 km/h) |
| 80 mph (128.75 km/h) | 80.46 mph (129.49 km/h) |
| 85 mph (136.79 km/h) | 85.49 mph (137.58 km/h) |
| 90 mph (144.84 km/h) | 90.52 mph (145.67 km/h) |
| 95 mph (152.89 km/h) | 95.54 mph (153.76 km/h) |
| 100 mph (160.93 km/h) | 100.57 mph (161.86 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1517 | 1762 | 1898 | 1982 | 2072 | 2137 | 2208 | 2292 | 2408 | 2524 | 2653 | 2757 | 2944 | 3150 | 3312 | 3415 | 3473 | 3686 | 3983 | 4629 |
Better Fuel Economy Factory Ratios Increased Power
