Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/65-13 | 145/80-13 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.44 (544.7) | 22.13 (562.2) | 0.69 (17.5) 3.2% |
| Width inches (mm) | 6.5 (165) | 5.71 (145) | -0.79 (-20) -12.1% |
| Circum. inches (mm) | 67.37 (1711.23) | 69.54 (1766.2) | 2.16 (54.98) 3.2% |
| Sidewall Height inches (mm) | 4.22 (107.25) | 4.57 (116) | 0.34 (8.75) 8.2% |
| Revolutions per mile (km) | 940.46 (584.38) | 911.19 (566.19) | -29.27 (-18.19) -3.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.64 mph (33.22 km/h) |
| 25 mph (40.23 km/h) | 25.8 mph (41.53 km/h) |
| 30 mph (48.28 km/h) | 30.96 mph (49.83 km/h) |
| 35 mph (56.33 km/h) | 36.12 mph (58.14 km/h) |
| 40 mph (64.37 km/h) | 41.29 mph (66.44 km/h) |
| 45 mph (72.42 km/h) | 46.45 mph (74.75 km/h) |
| 50 mph (80.47 km/h) | 51.61 mph (83.05 km/h) |
| 55 mph (88.51 km/h) | 56.77 mph (91.36 km/h) |
| 60 mph (96.56 km/h) | 61.93 mph (99.66 km/h) |
| 65 mph (104.61 km/h) | 67.09 mph (107.97 km/h) |
| 70 mph (112.65 km/h) | 72.25 mph (116.27 km/h) |
| 75 mph (120.7 km/h) | 77.41 mph (124.58 km/h) |
| 80 mph (128.75 km/h) | 82.57 mph (132.88 km/h) |
| 85 mph (136.79 km/h) | 87.73 mph (141.19 km/h) |
| 90 mph (144.84 km/h) | 92.89 mph (149.49 km/h) |
| 95 mph (152.89 km/h) | 98.05 mph (157.8 km/h) |
| 100 mph (160.93 km/h) | 103.21 mph (166.11 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2319 | 2694 | 2901 | 3029 | 3167 | 3266 | 3375 | 3503 | 3680 | 3858 | 4055 | 4213 | 4499 | 4815 | 5062 | 5220 | 5309 | 5634 | 6088 | 7075 |
Better Fuel Economy Factory Ratios Increased Power
