2009 Cadillac STS vs. 2003 Subaru Legacy
To start off, 2009 Cadillac STS is newer by 6 year(s). Which means there will be less support and parts availability for 2003 Subaru Legacy. In addition, the cost of maintenance, including insurance, on 2003 Subaru Legacy would be higher. At 3,599 cc (6 cylinders), 2009 Cadillac STS is equipped with a bigger engine. In terms of performance, 2009 Cadillac STS (302 HP @ 6300 RPM) has 46 more horse power than 2003 Subaru Legacy. (256 HP @ 6000 RPM). In normal driving conditions, 2009 Cadillac STS should accelerate faster than 2003 Subaru Legacy. With that said, vehicle weight also plays an important factor in acceleration. 2009 Cadillac STS weights approximately 175 kg more than 2003 Subaru Legacy. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 Subaru Legacy is four wheel drive (4WD), it will have significant more traction and grip than 2009 Cadillac STS. In wet, icy, snow, or gravel driving conditions, 2003 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, 2009 Cadillac STS (369 Nm @ 5200 RPM) has 26 more torque (in Nm) than 2003 Subaru Legacy. (343 Nm @ 2400 RPM). This means 2009 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2003 Subaru Legacy.
Compare all specifications:
| 2009 Cadillac STS | 2003 Subaru Legacy | |
| Make | Cadillac | Subaru |
| Model | STS | Legacy |
| Year Released | 2009 | 2003 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 3599 cc | 1994 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 302 HP | 256 HP |
| Engine RPM | 6300 RPM | 6000 RPM |
| Torque | 369 Nm | 343 Nm |
| Torque RPM | 5200 RPM | 2400 RPM |
| Engine Compression Ratio | 11.3:1 | 9.5:1 |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1635 kg | 1460 kg |
| Vehicle Length | 5000 mm | 4690 mm |
| Vehicle Width | 1850 mm | 1740 mm |
| Vehicle Height | 1470 mm | 1480 mm |
| Wheelbase Size | 2960 mm | 2680 mm |
| Fuel Tank Capacity | 64 L | 64 L |
