Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 145/80-15 | 165/60-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.13 (613) | 22.8 (579) | -1.34 (-34) -5.5% |
| Width inches (mm) | 5.71 (145) | 6.5 (165) | 0.79 (20) 13.8% |
| Circum. inches (mm) | 75.82 (1925.8) | 71.61 (1818.98) | -4.21 (-106.81) -5.5% |
| Sidewall Height inches (mm) | 4.57 (116) | 3.9 (99) | -0.67 (-17) -14.7% |
| Revolutions per mile (km) | 835.68 (519.26) | 884.75 (549.76) | 49.07 (30.49) 5.9% |
165/60-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.89 mph (30.4 km/h) |
| 25 mph (40.23 km/h) | 23.61 mph (38 km/h) |
| 30 mph (48.28 km/h) | 28.34 mph (45.6 km/h) |
| 35 mph (56.33 km/h) | 33.06 mph (53.2 km/h) |
| 40 mph (64.37 km/h) | 37.78 mph (60.8 km/h) |
| 45 mph (72.42 km/h) | 42.5 mph (68.4 km/h) |
| 50 mph (80.47 km/h) | 47.23 mph (76 km/h) |
| 55 mph (88.51 km/h) | 51.95 mph (83.6 km/h) |
| 60 mph (96.56 km/h) | 56.67 mph (91.21 km/h) |
| 65 mph (104.61 km/h) | 61.39 mph (98.81 km/h) |
| 70 mph (112.65 km/h) | 66.12 mph (106.41 km/h) |
| 75 mph (120.7 km/h) | 70.84 mph (114.01 km/h) |
| 80 mph (128.75 km/h) | 75.56 mph (121.61 km/h) |
| 85 mph (136.79 km/h) | 80.29 mph (129.21 km/h) |
| 90 mph (144.84 km/h) | 85.01 mph (136.81 km/h) |
| 95 mph (152.89 km/h) | 89.73 mph (144.41 km/h) |
| 100 mph (160.93 km/h) | 94.45 mph (152.01 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2252 | 2616 | 2817 | 2941 | 3075 | 3171 | 3277 | 3401 | 3574 | 3746 | 3938 | 4091 | 4369 | 4675 | 4915 | 5068 | 5155 | 5471 | 5911 | 6870 |
Better Fuel Economy Factory Ratios Increased Power
