Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 175/50-13 | 155/80-13 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 19.89 (505.2) | 22.76 (578.2) | 2.87 (73) 14.4% |
| Width inches (mm) | 6.89 (175) | 6.1 (155) | -0.79 (-20) -11.4% |
| Circum. inches (mm) | 62.49 (1587.13) | 71.51 (1816.47) | 9.03 (229.34) 14.4% |
| Sidewall Height inches (mm) | 3.44 (87.5) | 4.88 (124) | 1.44 (36.5) 41.7% |
| Revolutions per mile (km) | 1013.99 (630.07) | 885.97 (550.52) | -128.02 (-79.55) -12.6% |
155/80-13 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.89 mph (36.84 km/h) |
| 25 mph (40.23 km/h) | 28.61 mph (46.05 km/h) |
| 30 mph (48.28 km/h) | 34.33 mph (55.26 km/h) |
| 35 mph (56.33 km/h) | 40.06 mph (64.47 km/h) |
| 40 mph (64.37 km/h) | 45.78 mph (73.68 km/h) |
| 45 mph (72.42 km/h) | 51.5 mph (82.89 km/h) |
| 50 mph (80.47 km/h) | 57.22 mph (92.09 km/h) |
| 55 mph (88.51 km/h) | 62.95 mph (101.3 km/h) |
| 60 mph (96.56 km/h) | 68.67 mph (110.51 km/h) |
| 65 mph (104.61 km/h) | 74.39 mph (119.72 km/h) |
| 70 mph (112.65 km/h) | 80.11 mph (128.93 km/h) |
| 75 mph (120.7 km/h) | 85.84 mph (138.14 km/h) |
| 80 mph (128.75 km/h) | 91.56 mph (147.35 km/h) |
| 85 mph (136.79 km/h) | 97.28 mph (156.56 km/h) |
| 90 mph (144.84 km/h) | 103 mph (165.77 km/h) |
| 95 mph (152.89 km/h) | 108.73 mph (174.98 km/h) |
| 100 mph (160.93 km/h) | 114.45 mph (184.19 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
