Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 240/55-16 | 280/90-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.39 (670.4) | 34.84 (885) | 8.45 (214.6) 32% |
| Width inches (mm) | 9.45 (240) | 11.02 (280) | 1.57 (40) 16.7% |
| Circum. inches (mm) | 82.92 (2106.12) | 109.46 (2780.31) | 26.54 (674.19) 32% |
| Sidewall Height inches (mm) | 5.2 (132) | 9.92 (252) | 4.72 (120) 90.9% |
| Revolutions per mile (km) | 764.13 (474.81) | 578.84 (359.67) | -185.29 (-115.13) -24.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 26.4 mph (42.49 km/h) |
| 25 mph (40.23 km/h) | 33 mph (53.11 km/h) |
| 30 mph (48.28 km/h) | 39.6 mph (63.74 km/h) |
| 35 mph (56.33 km/h) | 46.2 mph (74.36 km/h) |
| 40 mph (64.37 km/h) | 52.8 mph (84.98 km/h) |
| 45 mph (72.42 km/h) | 59.4 mph (95.6 km/h) |
| 50 mph (80.47 km/h) | 66.01 mph (106.23 km/h) |
| 55 mph (88.51 km/h) | 72.61 mph (116.85 km/h) |
| 60 mph (96.56 km/h) | 79.21 mph (127.47 km/h) |
| 65 mph (104.61 km/h) | 85.81 mph (138.09 km/h) |
| 70 mph (112.65 km/h) | 92.41 mph (148.72 km/h) |
| 75 mph (120.7 km/h) | 99.01 mph (159.34 km/h) |
| 80 mph (128.75 km/h) | 105.61 mph (169.96 km/h) |
| 85 mph (136.79 km/h) | 112.21 mph (180.58 km/h) |
| 90 mph (144.84 km/h) | 118.81 mph (191.21 km/h) |
| 95 mph (152.89 km/h) | 125.41 mph (201.83 km/h) |
| 100 mph (160.93 km/h) | 132.01 mph (212.45 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1473 | 1711 | 1843 | 1924 | 2012 | 2075 | 2144 | 2225 | 2338 | 2451 | 2576 | 2677 | 2858 | 3059 | 3216 | 3316 | 3372 | 3579 | 3867 | 4494 |
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