Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 145/80-10 | 155/80-13 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 19.13 (486) | 22.76 (578.2) | 3.63 (92.2) 19% |
| Width inches (mm) | 5.71 (145) | 6.1 (155) | 0.39 (10) 6.9% |
| Circum. inches (mm) | 60.11 (1526.81) | 71.51 (1816.47) | 11.4 (289.65) 19% |
| Sidewall Height inches (mm) | 4.57 (116) | 4.88 (124) | 0.31 (8) 6.9% |
| Revolutions per mile (km) | 1054.05 (654.96) | 885.97 (550.52) | -168.08 (-104.44) -15.9% |
155/80-13 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 23.79 mph (38.29 km/h) |
| 25 mph (40.23 km/h) | 29.74 mph (47.87 km/h) |
| 30 mph (48.28 km/h) | 35.69 mph (57.44 km/h) |
| 35 mph (56.33 km/h) | 41.64 mph (67.01 km/h) |
| 40 mph (64.37 km/h) | 47.59 mph (76.59 km/h) |
| 45 mph (72.42 km/h) | 53.54 mph (86.16 km/h) |
| 50 mph (80.47 km/h) | 59.49 mph (95.73 km/h) |
| 55 mph (88.51 km/h) | 65.43 mph (105.31 km/h) |
| 60 mph (96.56 km/h) | 71.38 mph (114.88 km/h) |
| 65 mph (104.61 km/h) | 77.33 mph (124.45 km/h) |
| 70 mph (112.65 km/h) | 83.28 mph (134.03 km/h) |
| 75 mph (120.7 km/h) | 89.23 mph (143.6 km/h) |
| 80 mph (128.75 km/h) | 95.18 mph (153.17 km/h) |
| 85 mph (136.79 km/h) | 101.13 mph (162.75 km/h) |
| 90 mph (144.84 km/h) | 107.07 mph (172.32 km/h) |
| 95 mph (152.89 km/h) | 113.02 mph (181.89 km/h) |
| 100 mph (160.93 km/h) | 118.97 mph (191.47 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
