Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 155/70-18 | 225/55-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.54 (674.2) | 28.74 (730.1) | 2.2 (55.9) 8.3% |
| Width inches (mm) | 6.1 (155) | 8.86 (225) | 2.76 (70) 45.2% |
| Circum. inches (mm) | 83.39 (2118.06) | 90.3 (2293.68) | 6.91 (175.62) 8.3% |
| Sidewall Height inches (mm) | 4.27 (108.5) | 4.87 (123.75) | 0.6 (15.25) 14.1% |
| Revolutions per mile (km) | 759.82 (472.13) | 701.64 (435.98) | -58.18 (-36.15) -7.7% |
225/55-19 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.66 mph (34.86 km/h) |
| 25 mph (40.23 km/h) | 27.07 mph (43.57 km/h) |
| 30 mph (48.28 km/h) | 32.49 mph (52.28 km/h) |
| 35 mph (56.33 km/h) | 37.9 mph (61 km/h) |
| 40 mph (64.37 km/h) | 43.32 mph (69.71 km/h) |
| 45 mph (72.42 km/h) | 48.73 mph (78.43 km/h) |
| 50 mph (80.47 km/h) | 54.15 mph (87.14 km/h) |
| 55 mph (88.51 km/h) | 59.56 mph (95.85 km/h) |
| 60 mph (96.56 km/h) | 64.97 mph (104.57 km/h) |
| 65 mph (104.61 km/h) | 70.39 mph (113.28 km/h) |
| 70 mph (112.65 km/h) | 75.8 mph (121.99 km/h) |
| 75 mph (120.7 km/h) | 81.22 mph (130.71 km/h) |
| 80 mph (128.75 km/h) | 86.63 mph (139.42 km/h) |
| 85 mph (136.79 km/h) | 92.05 mph (148.14 km/h) |
| 90 mph (144.84 km/h) | 97.46 mph (156.85 km/h) |
| 95 mph (152.89 km/h) | 102.88 mph (165.56 km/h) |
| 100 mph (160.93 km/h) | 108.29 mph (174.28 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1786 | 2074 | 2234 | 2333 | 2439 | 2515 | 2599 | 2697 | 2834 | 2971 | 3123 | 3244 | 3465 | 3708 | 3898 | 4019 | 4088 | 4339 | 4688 | 5448 |
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