Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 240/40-19 | 255/55-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.56 (674.6) | 30.04 (763.1) | 3.48 (88.5) 13.1% |
| Width inches (mm) | 9.45 (240) | 10.04 (255) | 0.59 (15) 6.2% |
| Circum. inches (mm) | 83.44 (2119.32) | 94.38 (2397.35) | 10.95 (278.03) 13.1% |
| Sidewall Height inches (mm) | 3.78 (96) | 5.52 (140.25) | 1.74 (44.25) 46.1% |
| Revolutions per mile (km) | 759.37 (471.85) | 671.3 (417.13) | -88.07 (-54.72) -11.6% |
255/55-19 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.62 mph (36.41 km/h) |
| 25 mph (40.23 km/h) | 28.28 mph (45.51 km/h) |
| 30 mph (48.28 km/h) | 33.94 mph (54.61 km/h) |
| 35 mph (56.33 km/h) | 39.59 mph (63.72 km/h) |
| 40 mph (64.37 km/h) | 45.25 mph (72.82 km/h) |
| 45 mph (72.42 km/h) | 50.9 mph (81.92 km/h) |
| 50 mph (80.47 km/h) | 56.56 mph (91.02 km/h) |
| 55 mph (88.51 km/h) | 62.22 mph (100.13 km/h) |
| 60 mph (96.56 km/h) | 67.87 mph (109.23 km/h) |
| 65 mph (104.61 km/h) | 73.53 mph (118.33 km/h) |
| 70 mph (112.65 km/h) | 79.18 mph (127.43 km/h) |
| 75 mph (120.7 km/h) | 84.84 mph (136.54 km/h) |
| 80 mph (128.75 km/h) | 90.5 mph (145.64 km/h) |
| 85 mph (136.79 km/h) | 96.15 mph (154.74 km/h) |
| 90 mph (144.84 km/h) | 101.81 mph (163.84 km/h) |
| 95 mph (152.89 km/h) | 107.46 mph (172.95 km/h) |
| 100 mph (160.93 km/h) | 113.12 mph (182.05 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1708 | 1985 | 2137 | 2232 | 2334 | 2406 | 2486 | 2581 | 2712 | 2842 | 2988 | 3104 | 3315 | 3548 | 3729 | 3846 | 3911 | 4151 | 4485 | 5212 |
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