Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 280/80-16 | 290/80-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 33.64 (854.4) | 35.27 (895.8) | 1.63 (41.4) 4.8% |
| Width inches (mm) | 11.02 (280) | 11.42 (290) | 0.39 (10) 3.6% |
| Circum. inches (mm) | 105.68 (2684.18) | 110.8 (2814.24) | 5.12 (130.06) 4.8% |
| Sidewall Height inches (mm) | 8.82 (224) | 9.13 (232) | 0.31 (8) 3.6% |
| Revolutions per mile (km) | 599.57 (372.55) | 571.86 (355.34) | -27.71 (-17.22) -4.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.97 mph (33.75 km/h) |
| 25 mph (40.23 km/h) | 26.21 mph (42.18 km/h) |
| 30 mph (48.28 km/h) | 31.45 mph (50.62 km/h) |
| 35 mph (56.33 km/h) | 36.7 mph (59.06 km/h) |
| 40 mph (64.37 km/h) | 41.94 mph (67.49 km/h) |
| 45 mph (72.42 km/h) | 47.18 mph (75.93 km/h) |
| 50 mph (80.47 km/h) | 52.42 mph (84.37 km/h) |
| 55 mph (88.51 km/h) | 57.67 mph (92.8 km/h) |
| 60 mph (96.56 km/h) | 62.91 mph (101.24 km/h) |
| 65 mph (104.61 km/h) | 68.15 mph (109.68 km/h) |
| 70 mph (112.65 km/h) | 73.39 mph (118.11 km/h) |
| 75 mph (120.7 km/h) | 78.63 mph (126.55 km/h) |
| 80 mph (128.75 km/h) | 83.88 mph (134.99 km/h) |
| 85 mph (136.79 km/h) | 89.12 mph (143.42 km/h) |
| 90 mph (144.84 km/h) | 94.36 mph (151.86 km/h) |
| 95 mph (152.89 km/h) | 99.6 mph (160.3 km/h) |
| 100 mph (160.93 km/h) | 104.85 mph (168.73 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1455 | 1691 | 1821 | 1901 | 1988 | 2050 | 2118 | 2198 | 2310 | 2421 | 2545 | 2644 | 2824 | 3022 | 3177 | 3276 | 3332 | 3536 | 3821 | 4440 |
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