Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 145/70-13 | 155/80-13 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 20.99 (533.2) | 22.76 (578.2) | 1.77 (45) 8.4% |
| Width inches (mm) | 5.71 (145) | 6.1 (155) | 0.39 (10) 6.9% |
| Circum. inches (mm) | 65.95 (1675.1) | 71.51 (1816.47) | 5.57 (141.37) 8.4% |
| Sidewall Height inches (mm) | 4 (101.5) | 4.88 (124) | 0.89 (22.5) 22.2% |
| Revolutions per mile (km) | 960.75 (596.98) | 885.97 (550.52) | -74.77 (-46.46) -7.8% |
155/80-13 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.69 mph (34.9 km/h) |
| 25 mph (40.23 km/h) | 27.11 mph (43.63 km/h) |
| 30 mph (48.28 km/h) | 32.53 mph (52.36 km/h) |
| 35 mph (56.33 km/h) | 37.95 mph (61.08 km/h) |
| 40 mph (64.37 km/h) | 43.38 mph (69.81 km/h) |
| 45 mph (72.42 km/h) | 48.8 mph (78.53 km/h) |
| 50 mph (80.47 km/h) | 54.22 mph (87.26 km/h) |
| 55 mph (88.51 km/h) | 59.64 mph (95.98 km/h) |
| 60 mph (96.56 km/h) | 65.06 mph (104.71 km/h) |
| 65 mph (104.61 km/h) | 70.49 mph (113.44 km/h) |
| 70 mph (112.65 km/h) | 75.91 mph (122.16 km/h) |
| 75 mph (120.7 km/h) | 81.33 mph (130.89 km/h) |
| 80 mph (128.75 km/h) | 86.75 mph (139.61 km/h) |
| 85 mph (136.79 km/h) | 92.17 mph (148.34 km/h) |
| 90 mph (144.84 km/h) | 97.6 mph (157.07 km/h) |
| 95 mph (152.89 km/h) | 103.02 mph (165.79 km/h) |
| 100 mph (160.93 km/h) | 108.44 mph (174.52 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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