Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 280/85-16 | 285/75-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 34.74 (882.4) | 32.83 (833.9) | -1.91 (-48.5) -5.5% |
| Width inches (mm) | 11.02 (280) | 11.22 (285) | 0.2 (5) 1.8% |
| Circum. inches (mm) | 109.14 (2772.14) | 103.14 (2619.77) | -6 (-152.37) -5.5% |
| Sidewall Height inches (mm) | 9.37 (238) | 8.42 (213.75) | -0.95 (-24.25) -10.2% |
| Revolutions per mile (km) | 580.54 (360.73) | 614.31 (381.71) | 33.76 (20.98) 5.8% |
285/75-16 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.9 mph (30.42 km/h) |
| 25 mph (40.23 km/h) | 23.63 mph (38.02 km/h) |
| 30 mph (48.28 km/h) | 28.35 mph (45.63 km/h) |
| 35 mph (56.33 km/h) | 33.08 mph (53.23 km/h) |
| 40 mph (64.37 km/h) | 37.8 mph (60.84 km/h) |
| 45 mph (72.42 km/h) | 42.53 mph (68.44 km/h) |
| 50 mph (80.47 km/h) | 47.25 mph (76.04 km/h) |
| 55 mph (88.51 km/h) | 51.98 mph (83.65 km/h) |
| 60 mph (96.56 km/h) | 56.7 mph (91.25 km/h) |
| 65 mph (104.61 km/h) | 61.43 mph (98.86 km/h) |
| 70 mph (112.65 km/h) | 66.15 mph (106.46 km/h) |
| 75 mph (120.7 km/h) | 70.88 mph (114.07 km/h) |
| 80 mph (128.75 km/h) | 75.6 mph (121.67 km/h) |
| 85 mph (136.79 km/h) | 80.33 mph (129.28 km/h) |
| 90 mph (144.84 km/h) | 85.05 mph (136.88 km/h) |
| 95 mph (152.89 km/h) | 89.78 mph (144.48 km/h) |
| 100 mph (160.93 km/h) | 94.5 mph (152.09 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1563 | 1816 | 1956 | 2042 | 2135 | 2202 | 2275 | 2362 | 2481 | 2601 | 2734 | 2841 | 3033 | 3246 | 3413 | 3519 | 3579 | 3798 | 4104 | 4770 |
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