2003 Buick Regal vs. 2006 Subaru Legacy
To start off, 2006 Subaru Legacy is newer by 3 year(s). Which means there will be less support and parts availability for 2003 Buick Regal. In addition, the cost of maintenance, including insurance, on 2003 Buick Regal would be higher. At 3,789 cc (6 cylinders), 2003 Buick Regal is equipped with a bigger engine. In terms of performance, 2003 Buick Regal (197 HP @ 5200 RPM) has 34 more horse power than 2006 Subaru Legacy. (163 HP @ 5600 RPM). In normal driving conditions, 2003 Buick Regal should accelerate faster than 2006 Subaru Legacy. With that said, vehicle weight also plays an important factor in acceleration. 2003 Buick Regal weights approximately 65 kg more than 2006 Subaru Legacy. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 Subaru Legacy is four wheel drive (4WD), it will have significant more traction and grip than 2003 Buick Regal. In wet, icy, snow, or gravel driving conditions, 2006 Subaru Legacy will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2003 Buick Regal (312 Nm @ 4000 RPM) has 86 more torque (in Nm) than 2006 Subaru Legacy. (226 Nm @ 3600 RPM). This means 2003 Buick Regal will have an easier job in driving up hills or pulling heavy equipment than 2006 Subaru Legacy.
Compare all specifications:
| 2003 Buick Regal | 2006 Subaru Legacy | |
| Make | Buick | Subaru |
| Model | Regal | Legacy |
| Year Released | 2003 | 2006 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 3789 cc | 2456 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 197 HP | 163 HP |
| Engine RPM | 5200 RPM | 5600 RPM |
| Torque | 312 Nm | 226 Nm |
| Torque RPM | 4000 RPM | 3600 RPM |
| Engine Bore Size | 97 mm | 99.5 mm |
| Engine Stroke Size | 86 mm | 79 mm |
| Engine Compression Ratio | 9.4:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1560 kg | 1495 kg |
| Vehicle Length | 4990 mm | 4730 mm |
| Vehicle Width | 1850 mm | 1740 mm |
| Vehicle Height | 1440 mm | 1480 mm |
| Wheelbase Size | 2780 mm | 2680 mm |
| Fuel Tank Capacity | 64 L | 64 L |
