Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 135/70-13 | 155/80-13 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 20.44 (519.2) | 22.76 (578.2) | 2.32 (59) 11.4% |
| Width inches (mm) | 5.31 (135) | 6.1 (155) | 0.79 (20) 14.8% |
| Circum. inches (mm) | 64.22 (1631.11) | 71.51 (1816.47) | 7.3 (185.35) 11.4% |
| Sidewall Height inches (mm) | 3.72 (94.5) | 4.88 (124) | 1.16 (29.5) 31.2% |
| Revolutions per mile (km) | 986.65 (613.08) | 885.97 (550.52) | -100.68 (-62.56) -10.2% |
155/80-13 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.27 mph (35.84 km/h) |
| 25 mph (40.23 km/h) | 27.84 mph (44.81 km/h) |
| 30 mph (48.28 km/h) | 33.41 mph (53.77 km/h) |
| 35 mph (56.33 km/h) | 38.98 mph (62.73 km/h) |
| 40 mph (64.37 km/h) | 44.55 mph (71.69 km/h) |
| 45 mph (72.42 km/h) | 50.11 mph (80.65 km/h) |
| 50 mph (80.47 km/h) | 55.68 mph (89.61 km/h) |
| 55 mph (88.51 km/h) | 61.25 mph (98.57 km/h) |
| 60 mph (96.56 km/h) | 66.82 mph (107.53 km/h) |
| 65 mph (104.61 km/h) | 72.39 mph (116.49 km/h) |
| 70 mph (112.65 km/h) | 77.95 mph (125.46 km/h) |
| 75 mph (120.7 km/h) | 83.52 mph (134.42 km/h) |
| 80 mph (128.75 km/h) | 89.09 mph (143.38 km/h) |
| 85 mph (136.79 km/h) | 94.66 mph (152.34 km/h) |
| 90 mph (144.84 km/h) | 100.23 mph (161.3 km/h) |
| 95 mph (152.89 km/h) | 105.8 mph (170.26 km/h) |
| 100 mph (160.93 km/h) | 111.36 mph (179.22 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
