Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 145/80-10 | 145/80-13 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 19.13 (486) | 22.13 (562.2) | 3 (76.2) 15.7% |
| Width inches (mm) | 5.71 (145) | 5.71 (145) | 0 (0) 0% |
| Circum. inches (mm) | 60.11 (1526.81) | 69.54 (1766.2) | 9.42 (239.39) 15.7% |
| Sidewall Height inches (mm) | 4.57 (116) | 4.57 (116) | 0 (0) 0% |
| Revolutions per mile (km) | 1054.05 (654.96) | 911.19 (566.19) | -142.87 (-88.77) -13.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 23.14 mph (37.23 km/h) |
| 25 mph (40.23 km/h) | 28.92 mph (46.54 km/h) |
| 30 mph (48.28 km/h) | 34.7 mph (55.85 km/h) |
| 35 mph (56.33 km/h) | 40.49 mph (65.16 km/h) |
| 40 mph (64.37 km/h) | 46.27 mph (74.47 km/h) |
| 45 mph (72.42 km/h) | 52.06 mph (83.78 km/h) |
| 50 mph (80.47 km/h) | 57.84 mph (93.08 km/h) |
| 55 mph (88.51 km/h) | 63.62 mph (102.39 km/h) |
| 60 mph (96.56 km/h) | 69.41 mph (111.7 km/h) |
| 65 mph (104.61 km/h) | 75.19 mph (121.01 km/h) |
| 70 mph (112.65 km/h) | 80.98 mph (130.32 km/h) |
| 75 mph (120.7 km/h) | 86.76 mph (139.63 km/h) |
| 80 mph (128.75 km/h) | 92.54 mph (148.93 km/h) |
| 85 mph (136.79 km/h) | 98.33 mph (158.24 km/h) |
| 90 mph (144.84 km/h) | 104.11 mph (167.55 km/h) |
| 95 mph (152.89 km/h) | 109.9 mph (176.86 km/h) |
| 100 mph (160.93 km/h) | 115.68 mph (186.17 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
