Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 280/85-16 | 275/85-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 34.74 (882.4) | 34.41 (873.9) | -0.33 (-8.5) -1% |
| Width inches (mm) | 11.02 (280) | 10.83 (275) | -0.2 (-5) -1.8% |
| Circum. inches (mm) | 109.14 (2772.14) | 108.09 (2745.44) | -1.05 (-26.7) -1% |
| Sidewall Height inches (mm) | 9.37 (238) | 9.2 (233.75) | -0.17 (-4.25) -1.8% |
| Revolutions per mile (km) | 580.54 (360.73) | 586.19 (364.24) | 5.65 (3.51) 1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.81 mph (31.88 km/h) |
| 25 mph (40.23 km/h) | 24.76 mph (39.85 km/h) |
| 30 mph (48.28 km/h) | 29.71 mph (47.82 km/h) |
| 35 mph (56.33 km/h) | 34.66 mph (55.78 km/h) |
| 40 mph (64.37 km/h) | 39.61 mph (63.75 km/h) |
| 45 mph (72.42 km/h) | 44.57 mph (71.72 km/h) |
| 50 mph (80.47 km/h) | 49.52 mph (79.69 km/h) |
| 55 mph (88.51 km/h) | 54.47 mph (87.66 km/h) |
| 60 mph (96.56 km/h) | 59.42 mph (95.63 km/h) |
| 65 mph (104.61 km/h) | 64.37 mph (103.6 km/h) |
| 70 mph (112.65 km/h) | 69.33 mph (111.57 km/h) |
| 75 mph (120.7 km/h) | 74.28 mph (119.54 km/h) |
| 80 mph (128.75 km/h) | 79.23 mph (127.51 km/h) |
| 85 mph (136.79 km/h) | 84.18 mph (135.48 km/h) |
| 90 mph (144.84 km/h) | 89.13 mph (143.45 km/h) |
| 95 mph (152.89 km/h) | 94.08 mph (151.42 km/h) |
| 100 mph (160.93 km/h) | 99.04 mph (159.38 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1492 | 1733 | 1866 | 1949 | 2038 | 2101 | 2171 | 2253 | 2368 | 2482 | 2609 | 2711 | 2895 | 3098 | 3256 | 3358 | 3415 | 3625 | 3917 | 4551 |
Better Fuel Economy Factory Ratios Increased Power
