Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 280/85-16 | 275/80-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 34.74 (882.4) | 33.32 (846.4) | -1.42 (-36) -4.1% |
| Width inches (mm) | 11.02 (280) | 10.83 (275) | -0.2 (-5) -1.8% |
| Circum. inches (mm) | 109.14 (2772.14) | 104.69 (2659.04) | -4.45 (-113.1) -4.1% |
| Sidewall Height inches (mm) | 9.37 (238) | 8.66 (220) | -0.71 (-18) -7.6% |
| Revolutions per mile (km) | 580.54 (360.73) | 605.23 (376.07) | 24.69 (15.34) 4.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.18 mph (30.87 km/h) |
| 25 mph (40.23 km/h) | 23.98 mph (38.59 km/h) |
| 30 mph (48.28 km/h) | 28.78 mph (46.31 km/h) |
| 35 mph (56.33 km/h) | 33.57 mph (54.03 km/h) |
| 40 mph (64.37 km/h) | 38.37 mph (61.75 km/h) |
| 45 mph (72.42 km/h) | 43.16 mph (69.47 km/h) |
| 50 mph (80.47 km/h) | 47.96 mph (77.18 km/h) |
| 55 mph (88.51 km/h) | 52.76 mph (84.9 km/h) |
| 60 mph (96.56 km/h) | 57.55 mph (92.62 km/h) |
| 65 mph (104.61 km/h) | 62.35 mph (100.34 km/h) |
| 70 mph (112.65 km/h) | 67.14 mph (108.06 km/h) |
| 75 mph (120.7 km/h) | 71.94 mph (115.78 km/h) |
| 80 mph (128.75 km/h) | 76.74 mph (123.5 km/h) |
| 85 mph (136.79 km/h) | 81.53 mph (131.21 km/h) |
| 90 mph (144.84 km/h) | 86.33 mph (138.93 km/h) |
| 95 mph (152.89 km/h) | 91.12 mph (146.65 km/h) |
| 100 mph (160.93 km/h) | 95.92 mph (154.37 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
