Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 155/70-13 | 155/80-13 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.54 (547.2) | 22.76 (578.2) | 1.22 (31) 5.7% |
| Width inches (mm) | 6.1 (155) | 6.1 (155) | 0 (0) 0% |
| Circum. inches (mm) | 67.68 (1719.08) | 71.51 (1816.47) | 3.83 (97.39) 5.7% |
| Sidewall Height inches (mm) | 4.27 (108.5) | 4.88 (124) | 0.61 (15.5) 14.3% |
| Revolutions per mile (km) | 936.17 (581.71) | 885.97 (550.52) | -50.19 (-31.19) -5.4% |
155/80-13 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.13 mph (34.01 km/h) |
| 25 mph (40.23 km/h) | 26.42 mph (42.51 km/h) |
| 30 mph (48.28 km/h) | 31.7 mph (51.02 km/h) |
| 35 mph (56.33 km/h) | 36.98 mph (59.52 km/h) |
| 40 mph (64.37 km/h) | 42.27 mph (68.02 km/h) |
| 45 mph (72.42 km/h) | 47.55 mph (76.52 km/h) |
| 50 mph (80.47 km/h) | 52.83 mph (85.03 km/h) |
| 55 mph (88.51 km/h) | 58.12 mph (93.53 km/h) |
| 60 mph (96.56 km/h) | 63.4 mph (102.03 km/h) |
| 65 mph (104.61 km/h) | 68.68 mph (110.53 km/h) |
| 70 mph (112.65 km/h) | 73.97 mph (119.04 km/h) |
| 75 mph (120.7 km/h) | 79.25 mph (127.54 km/h) |
| 80 mph (128.75 km/h) | 84.53 mph (136.04 km/h) |
| 85 mph (136.79 km/h) | 89.82 mph (144.54 km/h) |
| 90 mph (144.84 km/h) | 95.1 mph (153.05 km/h) |
| 95 mph (152.89 km/h) | 100.38 mph (161.55 km/h) |
| 100 mph (160.93 km/h) | 105.67 mph (170.05 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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