Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 170/55-17 | 170/55-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.36 (618.8) | 26.36 (669.6) | 2 (50.8) 8.2% |
| Width inches (mm) | 6.69 (170) | 6.69 (170) | 0 (0) 0% |
| Circum. inches (mm) | 76.54 (1944.02) | 82.82 (2103.61) | 6.28 (159.59) 8.2% |
| Sidewall Height inches (mm) | 3.68 (93.5) | 3.68 (93.5) | 0 (0) 0% |
| Revolutions per mile (km) | 827.84 (514.4) | 765.04 (475.37) | -62.81 (-39.03) -7.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.64 mph (34.83 km/h) |
| 25 mph (40.23 km/h) | 27.05 mph (43.54 km/h) |
| 30 mph (48.28 km/h) | 32.46 mph (52.24 km/h) |
| 35 mph (56.33 km/h) | 37.87 mph (60.95 km/h) |
| 40 mph (64.37 km/h) | 43.28 mph (69.66 km/h) |
| 45 mph (72.42 km/h) | 48.69 mph (78.37 km/h) |
| 50 mph (80.47 km/h) | 54.1 mph (87.07 km/h) |
| 55 mph (88.51 km/h) | 59.52 mph (95.78 km/h) |
| 60 mph (96.56 km/h) | 64.93 mph (104.49 km/h) |
| 65 mph (104.61 km/h) | 70.34 mph (113.2 km/h) |
| 70 mph (112.65 km/h) | 75.75 mph (121.9 km/h) |
| 75 mph (120.7 km/h) | 81.16 mph (130.61 km/h) |
| 80 mph (128.75 km/h) | 86.57 mph (139.32 km/h) |
| 85 mph (136.79 km/h) | 91.98 mph (148.02 km/h) |
| 90 mph (144.84 km/h) | 97.39 mph (156.73 km/h) |
| 95 mph (152.89 km/h) | 102.8 mph (165.44 km/h) |
| 100 mph (160.93 km/h) | 108.21 mph (174.15 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1947 | 2262 | 2436 | 2543 | 2659 | 2742 | 2833 | 2941 | 3090 | 3239 | 3405 | 3538 | 3778 | 4043 | 4250 | 4383 | 4457 | 4730 | 5112 | 5940 |
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