Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 185/55-18 | 235/50-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.01 (660.7) | 28.25 (717.6) | 2.24 (56.9) 8.6% |
| Width inches (mm) | 7.28 (185) | 9.25 (235) | 1.97 (50) 27% |
| Circum. inches (mm) | 81.72 (2075.65) | 88.76 (2254.41) | 7.04 (178.76) 8.6% |
| Sidewall Height inches (mm) | 4.01 (101.75) | 4.63 (117.5) | 0.62 (15.75) 15.5% |
| Revolutions per mile (km) | 775.34 (481.78) | 713.87 (443.57) | -61.48 (-38.2) -7.9% |
235/50-19 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.72 mph (34.96 km/h) |
| 25 mph (40.23 km/h) | 27.15 mph (43.7 km/h) |
| 30 mph (48.28 km/h) | 32.58 mph (52.44 km/h) |
| 35 mph (56.33 km/h) | 38.01 mph (61.18 km/h) |
| 40 mph (64.37 km/h) | 43.44 mph (69.92 km/h) |
| 45 mph (72.42 km/h) | 48.88 mph (78.66 km/h) |
| 50 mph (80.47 km/h) | 54.31 mph (87.4 km/h) |
| 55 mph (88.51 km/h) | 59.74 mph (96.14 km/h) |
| 60 mph (96.56 km/h) | 65.17 mph (104.88 km/h) |
| 65 mph (104.61 km/h) | 70.6 mph (113.62 km/h) |
| 70 mph (112.65 km/h) | 76.03 mph (122.36 km/h) |
| 75 mph (120.7 km/h) | 81.46 mph (131.1 km/h) |
| 80 mph (128.75 km/h) | 86.89 mph (139.84 km/h) |
| 85 mph (136.79 km/h) | 92.32 mph (148.58 km/h) |
| 90 mph (144.84 km/h) | 97.75 mph (157.32 km/h) |
| 95 mph (152.89 km/h) | 103.18 mph (166.05 km/h) |
| 100 mph (160.93 km/h) | 108.61 mph (174.79 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1817 | 2110 | 2273 | 2373 | 2481 | 2559 | 2644 | 2744 | 2883 | 3023 | 3177 | 3301 | 3525 | 3772 | 3966 | 4089 | 4159 | 4414 | 4770 | 5543 |
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