Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 185/80-13 | 155/80-13 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.65 (626.2) | 22.76 (578.2) | -1.89 (-48) -7.7% |
| Width inches (mm) | 7.28 (185) | 6.1 (155) | -1.18 (-30) -16.2% |
| Circum. inches (mm) | 77.45 (1967.27) | 71.51 (1816.47) | -5.94 (-150.8) -7.7% |
| Sidewall Height inches (mm) | 5.83 (148) | 4.88 (124) | -0.94 (-24) -16.2% |
| Revolutions per mile (km) | 818.06 (508.32) | 885.97 (550.52) | 67.91 (42.2) 8.3% |
155/80-13 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.47 mph (29.72 km/h) |
| 25 mph (40.23 km/h) | 23.08 mph (37.15 km/h) |
| 30 mph (48.28 km/h) | 27.7 mph (44.58 km/h) |
| 35 mph (56.33 km/h) | 32.32 mph (52.01 km/h) |
| 40 mph (64.37 km/h) | 36.93 mph (59.44 km/h) |
| 45 mph (72.42 km/h) | 41.55 mph (66.87 km/h) |
| 50 mph (80.47 km/h) | 46.17 mph (74.3 km/h) |
| 55 mph (88.51 km/h) | 50.78 mph (81.73 km/h) |
| 60 mph (96.56 km/h) | 55.4 mph (89.16 km/h) |
| 65 mph (104.61 km/h) | 60.02 mph (96.59 km/h) |
| 70 mph (112.65 km/h) | 64.63 mph (104.02 km/h) |
| 75 mph (120.7 km/h) | 69.25 mph (111.45 km/h) |
| 80 mph (128.75 km/h) | 73.87 mph (118.88 km/h) |
| 85 mph (136.79 km/h) | 78.48 mph (126.31 km/h) |
| 90 mph (144.84 km/h) | 83.1 mph (133.74 km/h) |
| 95 mph (152.89 km/h) | 87.72 mph (141.17 km/h) |
| 100 mph (160.93 km/h) | 92.33 mph (148.6 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2255 | 2619 | 2821 | 2945 | 3080 | 3176 | 3281 | 3406 | 3579 | 3751 | 3943 | 4097 | 4375 | 4682 | 4922 | 5075 | 5162 | 5478 | 5920 | 6879 |
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