Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 185/65-15 | 205/55-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.47 (621.5) | 25.88 (657.3) | 1.41 (35.8) 5.8% |
| Width inches (mm) | 7.28 (185) | 8.07 (205) | 0.79 (20) 10.8% |
| Circum. inches (mm) | 76.87 (1952.5) | 81.3 (2064.97) | 4.43 (112.47) 5.8% |
| Sidewall Height inches (mm) | 4.73 (120.25) | 4.44 (112.75) | -0.3 (-7.5) -6.2% |
| Revolutions per mile (km) | 824.25 (512.16) | 779.36 (484.27) | -44.89 (-27.9) -5.4% |
205/55-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.15 mph (34.04 km/h) |
| 25 mph (40.23 km/h) | 26.44 mph (42.55 km/h) |
| 30 mph (48.28 km/h) | 31.73 mph (51.06 km/h) |
| 35 mph (56.33 km/h) | 37.02 mph (59.57 km/h) |
| 40 mph (64.37 km/h) | 42.3 mph (68.08 km/h) |
| 45 mph (72.42 km/h) | 47.59 mph (76.59 km/h) |
| 50 mph (80.47 km/h) | 52.88 mph (85.1 km/h) |
| 55 mph (88.51 km/h) | 58.17 mph (93.61 km/h) |
| 60 mph (96.56 km/h) | 63.46 mph (102.12 km/h) |
| 65 mph (104.61 km/h) | 68.74 mph (110.63 km/h) |
| 70 mph (112.65 km/h) | 74.03 mph (119.14 km/h) |
| 75 mph (120.7 km/h) | 79.32 mph (127.65 km/h) |
| 80 mph (128.75 km/h) | 84.61 mph (136.16 km/h) |
| 85 mph (136.79 km/h) | 89.9 mph (144.67 km/h) |
| 90 mph (144.84 km/h) | 95.18 mph (153.18 km/h) |
| 95 mph (152.89 km/h) | 100.47 mph (161.69 km/h) |
| 100 mph (160.93 km/h) | 105.76 mph (170.2 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1983 | 2304 | 2481 | 2591 | 2709 | 2794 | 2886 | 2996 | 3148 | 3300 | 3469 | 3604 | 3848 | 4119 | 4330 | 4465 | 4541 | 4819 | 5207 | 6051 |
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