Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/80-17 | 155/80-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.39 (695.8) | 26.76 (679.8) | -0.63 (-16) -2.3% |
| Width inches (mm) | 6.5 (165) | 6.1 (155) | -0.39 (-10) -6.1% |
| Circum. inches (mm) | 86.06 (2185.92) | 84.08 (2135.65) | -1.98 (-50.27) -2.3% |
| Sidewall Height inches (mm) | 5.2 (132) | 4.88 (124) | -0.31 (-8) -6.1% |
| Revolutions per mile (km) | 736.23 (457.47) | 753.56 (468.24) | 17.33 (10.77) 2.4% |
155/80-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.54 mph (31.45 km/h) |
| 25 mph (40.23 km/h) | 24.43 mph (39.31 km/h) |
| 30 mph (48.28 km/h) | 29.31 mph (47.17 km/h) |
| 35 mph (56.33 km/h) | 34.2 mph (55.03 km/h) |
| 40 mph (64.37 km/h) | 39.08 mph (62.89 km/h) |
| 45 mph (72.42 km/h) | 43.97 mph (70.76 km/h) |
| 50 mph (80.47 km/h) | 48.85 mph (78.62 km/h) |
| 55 mph (88.51 km/h) | 53.74 mph (86.48 km/h) |
| 60 mph (96.56 km/h) | 58.62 mph (94.34 km/h) |
| 65 mph (104.61 km/h) | 63.51 mph (102.2 km/h) |
| 70 mph (112.65 km/h) | 68.39 mph (110.06 km/h) |
| 75 mph (120.7 km/h) | 73.28 mph (117.93 km/h) |
| 80 mph (128.75 km/h) | 78.16 mph (125.79 km/h) |
| 85 mph (136.79 km/h) | 83.05 mph (133.65 km/h) |
| 90 mph (144.84 km/h) | 87.93 mph (141.51 km/h) |
| 95 mph (152.89 km/h) | 92.82 mph (149.37 km/h) |
| 100 mph (160.93 km/h) | 97.7 mph (157.23 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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