Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 155/80-17 | 165/90-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.76 (679.8) | 28.69 (728.8) | 1.93 (49) 7.2% |
| Width inches (mm) | 6.1 (155) | 6.5 (165) | 0.39 (10) 6.5% |
| Circum. inches (mm) | 84.08 (2135.65) | 90.14 (2289.59) | 6.06 (153.94) 7.2% |
| Sidewall Height inches (mm) | 4.88 (124) | 5.85 (148.5) | 0.96 (24.5) 19.8% |
| Revolutions per mile (km) | 753.56 (468.24) | 702.9 (436.76) | -50.66 (-31.48) -6.7% |
165/90-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.44 mph (34.51 km/h) |
| 25 mph (40.23 km/h) | 26.8 mph (43.13 km/h) |
| 30 mph (48.28 km/h) | 32.16 mph (51.76 km/h) |
| 35 mph (56.33 km/h) | 37.52 mph (60.39 km/h) |
| 40 mph (64.37 km/h) | 42.88 mph (69.01 km/h) |
| 45 mph (72.42 km/h) | 48.24 mph (77.64 km/h) |
| 50 mph (80.47 km/h) | 53.6 mph (86.27 km/h) |
| 55 mph (88.51 km/h) | 58.96 mph (94.89 km/h) |
| 60 mph (96.56 km/h) | 64.32 mph (103.52 km/h) |
| 65 mph (104.61 km/h) | 69.69 mph (112.15 km/h) |
| 70 mph (112.65 km/h) | 75.05 mph (120.77 km/h) |
| 75 mph (120.7 km/h) | 80.41 mph (129.4 km/h) |
| 80 mph (128.75 km/h) | 85.77 mph (138.03 km/h) |
| 85 mph (136.79 km/h) | 91.13 mph (146.65 km/h) |
| 90 mph (144.84 km/h) | 96.49 mph (155.28 km/h) |
| 95 mph (152.89 km/h) | 101.85 mph (163.91 km/h) |
| 100 mph (160.93 km/h) | 107.21 mph (172.53 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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