Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 280/80-16 | 275/80-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 33.64 (854.4) | 33.32 (846.4) | -0.31 (-8) -0.9% |
| Width inches (mm) | 11.02 (280) | 10.83 (275) | -0.2 (-5) -1.8% |
| Circum. inches (mm) | 105.68 (2684.18) | 104.69 (2659.04) | -0.99 (-25.13) -0.9% |
| Sidewall Height inches (mm) | 8.82 (224) | 8.66 (220) | -0.16 (-4) -1.8% |
| Revolutions per mile (km) | 599.57 (372.55) | 605.23 (376.07) | 5.67 (3.52) 0.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.81 mph (31.89 km/h) |
| 25 mph (40.23 km/h) | 24.77 mph (39.86 km/h) |
| 30 mph (48.28 km/h) | 29.72 mph (47.83 km/h) |
| 35 mph (56.33 km/h) | 34.67 mph (55.8 km/h) |
| 40 mph (64.37 km/h) | 39.63 mph (63.77 km/h) |
| 45 mph (72.42 km/h) | 44.58 mph (71.74 km/h) |
| 50 mph (80.47 km/h) | 49.53 mph (79.71 km/h) |
| 55 mph (88.51 km/h) | 54.49 mph (87.69 km/h) |
| 60 mph (96.56 km/h) | 59.44 mph (95.66 km/h) |
| 65 mph (104.61 km/h) | 64.39 mph (103.63 km/h) |
| 70 mph (112.65 km/h) | 69.34 mph (111.6 km/h) |
| 75 mph (120.7 km/h) | 74.3 mph (119.57 km/h) |
| 80 mph (128.75 km/h) | 79.25 mph (127.54 km/h) |
| 85 mph (136.79 km/h) | 84.2 mph (135.51 km/h) |
| 90 mph (144.84 km/h) | 89.16 mph (143.49 km/h) |
| 95 mph (152.89 km/h) | 94.11 mph (151.46 km/h) |
| 100 mph (160.93 km/h) | 99.06 mph (159.43 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1540 | 1789 | 1927 | 2012 | 2104 | 2169 | 2241 | 2327 | 2445 | 2563 | 2694 | 2799 | 2989 | 3198 | 3362 | 3467 | 3526 | 3742 | 4044 | 4699 |
Better Fuel Economy Factory Ratios Increased Power
