Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 195/80-14 | 155/80-13 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.28 (667.6) | 22.76 (578.2) | -3.52 (-89.4) -13.4% |
| Width inches (mm) | 7.68 (195) | 6.1 (155) | -1.57 (-40) -20.5% |
| Circum. inches (mm) | 82.57 (2097.33) | 71.51 (1816.47) | -11.06 (-280.86) -13.4% |
| Sidewall Height inches (mm) | 6.14 (156) | 4.88 (124) | -1.26 (-32) -20.5% |
| Revolutions per mile (km) | 767.33 (476.8) | 885.97 (550.52) | 118.64 (73.72) 15.5% |
155/80-13 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 17.32 mph (27.88 km/h) |
| 25 mph (40.23 km/h) | 21.65 mph (34.85 km/h) |
| 30 mph (48.28 km/h) | 25.98 mph (41.82 km/h) |
| 35 mph (56.33 km/h) | 30.31 mph (48.78 km/h) |
| 40 mph (64.37 km/h) | 34.64 mph (55.75 km/h) |
| 45 mph (72.42 km/h) | 38.97 mph (62.72 km/h) |
| 50 mph (80.47 km/h) | 43.3 mph (69.69 km/h) |
| 55 mph (88.51 km/h) | 47.63 mph (76.66 km/h) |
| 60 mph (96.56 km/h) | 51.97 mph (83.63 km/h) |
| 65 mph (104.61 km/h) | 56.3 mph (90.6 km/h) |
| 70 mph (112.65 km/h) | 60.63 mph (97.57 km/h) |
| 75 mph (120.7 km/h) | 64.96 mph (104.54 km/h) |
| 80 mph (128.75 km/h) | 69.29 mph (111.51 km/h) |
| 85 mph (136.79 km/h) | 73.62 mph (118.48 km/h) |
| 90 mph (144.84 km/h) | 77.95 mph (125.45 km/h) |
| 95 mph (152.89 km/h) | 82.28 mph (132.41 km/h) |
| 100 mph (160.93 km/h) | 86.61 mph (139.38 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
