Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 175/80-13 | 155/80-13 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.02 (610.2) | 22.76 (578.2) | -1.26 (-32) -5.2% |
| Width inches (mm) | 6.89 (175) | 6.1 (155) | -0.79 (-20) -11.4% |
| Circum. inches (mm) | 75.47 (1917) | 71.51 (1816.47) | -3.96 (-100.53) -5.2% |
| Sidewall Height inches (mm) | 5.51 (140) | 4.88 (124) | -0.63 (-16) -11.4% |
| Revolutions per mile (km) | 839.51 (521.65) | 885.97 (550.52) | 46.46 (28.87) 5.5% |
155/80-13 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.95 mph (30.5 km/h) |
| 25 mph (40.23 km/h) | 23.69 mph (38.12 km/h) |
| 30 mph (48.28 km/h) | 28.43 mph (45.75 km/h) |
| 35 mph (56.33 km/h) | 33.16 mph (53.37 km/h) |
| 40 mph (64.37 km/h) | 37.9 mph (61 km/h) |
| 45 mph (72.42 km/h) | 42.64 mph (68.62 km/h) |
| 50 mph (80.47 km/h) | 47.38 mph (76.25 km/h) |
| 55 mph (88.51 km/h) | 52.12 mph (83.87 km/h) |
| 60 mph (96.56 km/h) | 56.85 mph (91.5 km/h) |
| 65 mph (104.61 km/h) | 61.59 mph (99.12 km/h) |
| 70 mph (112.65 km/h) | 66.33 mph (106.75 km/h) |
| 75 mph (120.7 km/h) | 71.07 mph (114.37 km/h) |
| 80 mph (128.75 km/h) | 75.8 mph (122 km/h) |
| 85 mph (136.79 km/h) | 80.54 mph (129.62 km/h) |
| 90 mph (144.84 km/h) | 85.28 mph (137.25 km/h) |
| 95 mph (152.89 km/h) | 90.02 mph (144.87 km/h) |
| 100 mph (160.93 km/h) | 94.76 mph (152.49 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
