Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 155/80-14 | 155/80-13 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.76 (603.6) | 22.76 (578.2) | -1 (-25.4) -4.2% |
| Width inches (mm) | 6.1 (155) | 6.1 (155) | 0 (0) 0% |
| Circum. inches (mm) | 74.66 (1896.27) | 71.51 (1816.47) | -3.14 (-79.8) -4.2% |
| Sidewall Height inches (mm) | 4.88 (124) | 4.88 (124) | 0 (0) 0% |
| Revolutions per mile (km) | 848.69 (527.35) | 885.97 (550.52) | 37.28 (23.17) 4.4% |
155/80-13 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.16 mph (30.83 km/h) |
| 25 mph (40.23 km/h) | 23.95 mph (38.54 km/h) |
| 30 mph (48.28 km/h) | 28.74 mph (46.25 km/h) |
| 35 mph (56.33 km/h) | 33.53 mph (53.96 km/h) |
| 40 mph (64.37 km/h) | 38.32 mph (61.66 km/h) |
| 45 mph (72.42 km/h) | 43.11 mph (69.37 km/h) |
| 50 mph (80.47 km/h) | 47.9 mph (77.08 km/h) |
| 55 mph (88.51 km/h) | 52.69 mph (84.79 km/h) |
| 60 mph (96.56 km/h) | 57.48 mph (92.5 km/h) |
| 65 mph (104.61 km/h) | 62.26 mph (100.21 km/h) |
| 70 mph (112.65 km/h) | 67.05 mph (107.91 km/h) |
| 75 mph (120.7 km/h) | 71.84 mph (115.62 km/h) |
| 80 mph (128.75 km/h) | 76.63 mph (123.33 km/h) |
| 85 mph (136.79 km/h) | 81.42 mph (131.04 km/h) |
| 90 mph (144.84 km/h) | 86.21 mph (138.75 km/h) |
| 95 mph (152.89 km/h) | 91 mph (146.45 km/h) |
| 100 mph (160.93 km/h) | 95.79 mph (154.16 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 |
Better Fuel Economy Factory Ratios Increased Power
