Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 170/70-16 | 205/55-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.37 (644.4) | 24.88 (631.9) | -0.49 (-12.5) -1.9% |
| Width inches (mm) | 6.69 (170) | 8.07 (205) | 1.38 (35) 20.6% |
| Circum. inches (mm) | 79.7 (2024.44) | 78.16 (1985.17) | -1.55 (-39.27) -1.9% |
| Sidewall Height inches (mm) | 4.69 (119) | 4.44 (112.75) | -0.25 (-6.25) -5.3% |
| Revolutions per mile (km) | 794.96 (493.96) | 810.68 (503.73) | 15.73 (9.77) 2% |
205/55-16 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.61 mph (31.56 km/h) |
| 25 mph (40.23 km/h) | 24.52 mph (39.45 km/h) |
| 30 mph (48.28 km/h) | 29.42 mph (47.34 km/h) |
| 35 mph (56.33 km/h) | 34.32 mph (55.23 km/h) |
| 40 mph (64.37 km/h) | 39.22 mph (63.13 km/h) |
| 45 mph (72.42 km/h) | 44.13 mph (71.02 km/h) |
| 50 mph (80.47 km/h) | 49.03 mph (78.91 km/h) |
| 55 mph (88.51 km/h) | 53.93 mph (86.8 km/h) |
| 60 mph (96.56 km/h) | 58.84 mph (94.69 km/h) |
| 65 mph (104.61 km/h) | 63.74 mph (102.58 km/h) |
| 70 mph (112.65 km/h) | 68.64 mph (110.47 km/h) |
| 75 mph (120.7 km/h) | 73.55 mph (118.36 km/h) |
| 80 mph (128.75 km/h) | 78.45 mph (126.25 km/h) |
| 85 mph (136.79 km/h) | 83.35 mph (134.14 km/h) |
| 90 mph (144.84 km/h) | 88.25 mph (142.03 km/h) |
| 95 mph (152.89 km/h) | 93.16 mph (149.92 km/h) |
| 100 mph (160.93 km/h) | 98.06 mph (157.81 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2063 | 2397 | 2581 | 2695 | 2818 | 2906 | 3002 | 3116 | 3275 | 3433 | 3608 | 3749 | 4003 | 4284 | 4504 | 4644 | 4723 | 5013 | 5417 | 6294 |
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