Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 155/70-17 | 155/80-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.54 (648.8) | 26.76 (679.8) | 1.22 (31) 4.8% |
| Width inches (mm) | 6.1 (155) | 6.1 (155) | 0 (0) 0% |
| Circum. inches (mm) | 80.25 (2038.27) | 84.08 (2135.65) | 3.83 (97.39) 4.8% |
| Sidewall Height inches (mm) | 4.27 (108.5) | 4.88 (124) | 0.61 (15.5) 14.3% |
| Revolutions per mile (km) | 789.57 (490.61) | 753.56 (468.24) | -36.01 (-22.37) -4.6% |
155/80-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.96 mph (33.72 km/h) |
| 25 mph (40.23 km/h) | 26.19 mph (42.16 km/h) |
| 30 mph (48.28 km/h) | 31.43 mph (50.59 km/h) |
| 35 mph (56.33 km/h) | 36.67 mph (59.02 km/h) |
| 40 mph (64.37 km/h) | 41.91 mph (67.45 km/h) |
| 45 mph (72.42 km/h) | 47.15 mph (75.88 km/h) |
| 50 mph (80.47 km/h) | 52.39 mph (84.31 km/h) |
| 55 mph (88.51 km/h) | 57.63 mph (92.74 km/h) |
| 60 mph (96.56 km/h) | 62.87 mph (101.17 km/h) |
| 65 mph (104.61 km/h) | 68.11 mph (109.61 km/h) |
| 70 mph (112.65 km/h) | 73.34 mph (118.04 km/h) |
| 75 mph (120.7 km/h) | 78.58 mph (126.47 km/h) |
| 80 mph (128.75 km/h) | 83.82 mph (134.9 km/h) |
| 85 mph (136.79 km/h) | 89.06 mph (143.33 km/h) |
| 90 mph (144.84 km/h) | 94.3 mph (151.76 km/h) |
| 95 mph (152.89 km/h) | 99.54 mph (160.19 km/h) |
| 100 mph (160.93 km/h) | 104.78 mph (168.62 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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