Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/90-17 | 155/80-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.69 (728.8) | 26.76 (679.8) | -1.93 (-49) -6.7% |
| Width inches (mm) | 6.5 (165) | 6.1 (155) | -0.39 (-10) -6.1% |
| Circum. inches (mm) | 90.14 (2289.59) | 84.08 (2135.65) | -6.06 (-153.94) -6.7% |
| Sidewall Height inches (mm) | 5.85 (148.5) | 4.88 (124) | -0.96 (-24.5) -16.5% |
| Revolutions per mile (km) | 702.9 (436.76) | 753.56 (468.24) | 50.66 (31.48) 7.2% |
155/80-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.66 mph (30.02 km/h) |
| 25 mph (40.23 km/h) | 23.32 mph (37.53 km/h) |
| 30 mph (48.28 km/h) | 27.98 mph (45.03 km/h) |
| 35 mph (56.33 km/h) | 32.65 mph (52.54 km/h) |
| 40 mph (64.37 km/h) | 37.31 mph (60.05 km/h) |
| 45 mph (72.42 km/h) | 41.97 mph (67.55 km/h) |
| 50 mph (80.47 km/h) | 46.64 mph (75.06 km/h) |
| 55 mph (88.51 km/h) | 51.3 mph (82.56 km/h) |
| 60 mph (96.56 km/h) | 55.97 mph (90.07 km/h) |
| 65 mph (104.61 km/h) | 60.63 mph (97.57 km/h) |
| 70 mph (112.65 km/h) | 65.29 mph (105.08 km/h) |
| 75 mph (120.7 km/h) | 69.96 mph (112.59 km/h) |
| 80 mph (128.75 km/h) | 74.62 mph (120.09 km/h) |
| 85 mph (136.79 km/h) | 79.29 mph (127.6 km/h) |
| 90 mph (144.84 km/h) | 83.95 mph (135.1 km/h) |
| 95 mph (152.89 km/h) | 88.61 mph (142.61 km/h) |
| 100 mph (160.93 km/h) | 93.28 mph (150.11 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1918 | 2228 | 2399 | 2505 | 2619 | 2701 | 2791 | 2897 | 3044 | 3191 | 3354 | 3484 | 3721 | 3982 | 4186 | 4317 | 4390 | 4660 | 5035 | 5851 |
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