Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 280/85-16 | 255/100-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 34.74 (882.4) | 36.08 (916.4) | 1.34 (34) 3.9% |
| Width inches (mm) | 11.02 (280) | 10.04 (255) | -0.98 (-25) -8.9% |
| Circum. inches (mm) | 109.14 (2772.14) | 113.34 (2878.96) | 4.21 (106.81) 3.9% |
| Sidewall Height inches (mm) | 9.37 (238) | 10.04 (255) | 0.67 (17) 7.1% |
| Revolutions per mile (km) | 580.54 (360.73) | 559 (347.35) | -21.54 (-13.38) -3.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.77 mph (33.43 km/h) |
| 25 mph (40.23 km/h) | 25.96 mph (41.78 km/h) |
| 30 mph (48.28 km/h) | 31.16 mph (50.14 km/h) |
| 35 mph (56.33 km/h) | 36.35 mph (58.5 km/h) |
| 40 mph (64.37 km/h) | 41.54 mph (66.85 km/h) |
| 45 mph (72.42 km/h) | 46.73 mph (75.21 km/h) |
| 50 mph (80.47 km/h) | 51.93 mph (83.57 km/h) |
| 55 mph (88.51 km/h) | 57.12 mph (91.92 km/h) |
| 60 mph (96.56 km/h) | 62.31 mph (100.28 km/h) |
| 65 mph (104.61 km/h) | 67.5 mph (108.64 km/h) |
| 70 mph (112.65 km/h) | 72.7 mph (117 km/h) |
| 75 mph (120.7 km/h) | 77.89 mph (125.35 km/h) |
| 80 mph (128.75 km/h) | 83.08 mph (133.71 km/h) |
| 85 mph (136.79 km/h) | 88.28 mph (142.07 km/h) |
| 90 mph (144.84 km/h) | 93.47 mph (150.42 km/h) |
| 95 mph (152.89 km/h) | 98.66 mph (158.78 km/h) |
| 100 mph (160.93 km/h) | 103.85 mph (167.14 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1423 | 1653 | 1780 | 1858 | 1943 | 2004 | 2070 | 2149 | 2258 | 2367 | 2488 | 2585 | 2760 | 2954 | 3105 | 3202 | 3257 | 3457 | 3735 | 4340 |
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