Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 175/55-17 | 165/90-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.58 (624.3) | 28.69 (728.8) | 4.11 (104.5) 16.7% |
| Width inches (mm) | 6.89 (175) | 6.5 (165) | -0.39 (-10) -5.7% |
| Circum. inches (mm) | 77.22 (1961.3) | 90.14 (2289.59) | 12.93 (328.3) 16.7% |
| Sidewall Height inches (mm) | 3.79 (96.25) | 5.85 (148.5) | 2.06 (52.25) 54.3% |
| Revolutions per mile (km) | 820.55 (509.87) | 702.9 (436.76) | -117.66 (-73.11) -14.3% |
165/90-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 23.35 mph (37.57 km/h) |
| 25 mph (40.23 km/h) | 29.18 mph (46.97 km/h) |
| 30 mph (48.28 km/h) | 35.02 mph (56.36 km/h) |
| 35 mph (56.33 km/h) | 40.86 mph (65.76 km/h) |
| 40 mph (64.37 km/h) | 46.7 mph (75.15 km/h) |
| 45 mph (72.42 km/h) | 52.53 mph (84.54 km/h) |
| 50 mph (80.47 km/h) | 58.37 mph (93.94 km/h) |
| 55 mph (88.51 km/h) | 64.21 mph (103.33 km/h) |
| 60 mph (96.56 km/h) | 70.04 mph (112.72 km/h) |
| 65 mph (104.61 km/h) | 75.88 mph (122.12 km/h) |
| 70 mph (112.65 km/h) | 81.72 mph (131.51 km/h) |
| 75 mph (120.7 km/h) | 87.55 mph (140.9 km/h) |
| 80 mph (128.75 km/h) | 93.39 mph (150.3 km/h) |
| 85 mph (136.79 km/h) | 99.23 mph (159.69 km/h) |
| 90 mph (144.84 km/h) | 105.06 mph (169.09 km/h) |
| 95 mph (152.89 km/h) | 110.9 mph (178.48 km/h) |
| 100 mph (160.93 km/h) | 116.74 mph (187.87 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1789 | 2078 | 2238 | 2337 | 2443 | 2519 | 2603 | 2702 | 2839 | 2976 | 3128 | 3250 | 3471 | 3714 | 3905 | 4027 | 4095 | 4346 | 4696 | 5458 |
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