Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 155/80-17 | 155/70-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.76 (679.8) | 25.54 (648.8) | -1.22 (-31) -4.6% |
| Width inches (mm) | 6.1 (155) | 6.1 (155) | 0 (0) 0% |
| Circum. inches (mm) | 84.08 (2135.65) | 80.25 (2038.27) | -3.83 (-97.39) -4.6% |
| Sidewall Height inches (mm) | 4.88 (124) | 4.27 (108.5) | -0.61 (-15.5) -12.5% |
| Revolutions per mile (km) | 753.56 (468.24) | 789.57 (490.61) | 36.01 (22.37) 4.8% |
155/70-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.09 mph (30.72 km/h) |
| 25 mph (40.23 km/h) | 23.86 mph (38.4 km/h) |
| 30 mph (48.28 km/h) | 28.63 mph (46.08 km/h) |
| 35 mph (56.33 km/h) | 33.4 mph (53.76 km/h) |
| 40 mph (64.37 km/h) | 38.18 mph (61.44 km/h) |
| 45 mph (72.42 km/h) | 42.95 mph (69.12 km/h) |
| 50 mph (80.47 km/h) | 47.72 mph (76.8 km/h) |
| 55 mph (88.51 km/h) | 52.49 mph (84.48 km/h) |
| 60 mph (96.56 km/h) | 57.26 mph (92.16 km/h) |
| 65 mph (104.61 km/h) | 62.04 mph (99.84 km/h) |
| 70 mph (112.65 km/h) | 66.81 mph (107.52 km/h) |
| 75 mph (120.7 km/h) | 71.58 mph (115.2 km/h) |
| 80 mph (128.75 km/h) | 76.35 mph (122.88 km/h) |
| 85 mph (136.79 km/h) | 81.12 mph (130.56 km/h) |
| 90 mph (144.84 km/h) | 85.9 mph (138.24 km/h) |
| 95 mph (152.89 km/h) | 90.67 mph (145.92 km/h) |
| 100 mph (160.93 km/h) | 95.44 mph (153.6 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2009 | 2334 | 2514 | 2625 | 2745 | 2830 | 2924 | 3035 | 3189 | 3343 | 3514 | 3651 | 3899 | 4172 | 4386 | 4523 | 4600 | 4882 | 5275 | 6130 |
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