2009 Cadillac STS vs. 2005 Porsche Boxster
To start off, 2009 Cadillac STS is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Porsche Boxster. In addition, the cost of maintenance, including insurance, on 2005 Porsche Boxster 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 65 more horse power than 2005 Porsche Boxster. (237 HP @ 6400 RPM). In normal driving conditions, 2009 Cadillac STS should accelerate faster than 2005 Porsche Boxster. With that said, vehicle weight also plays an important factor in acceleration. 2009 Cadillac STS weights approximately 340 kg more than 2005 Porsche Boxster. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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 99 more torque (in Nm) than 2005 Porsche Boxster. (270 Nm @ 4700 RPM). This means 2009 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2005 Porsche Boxster.
Compare all specifications:
| 2009 Cadillac STS | 2005 Porsche Boxster | |
| Make | Cadillac | Porsche |
| Model | STS | Boxster |
| Year Released | 2009 | 2005 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Middle |
| Engine Size | 3599 cc | 2687 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 302 HP | 237 HP |
| Engine RPM | 6300 RPM | 6400 RPM |
| Torque | 369 Nm | 270 Nm |
| Torque RPM | 5200 RPM | 4700 RPM |
| Engine Compression Ratio | 11.3:1 | 11.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1635 kg | 1295 kg |
| Vehicle Length | 5000 mm | 4340 mm |
| Vehicle Width | 1850 mm | 1810 mm |
| Vehicle Height | 1470 mm | 1300 mm |
| Wheelbase Size | 2960 mm | 2420 mm |
| Fuel Consumption Overall | 11.8 L/100km | 9.8 L/100km |
| Fuel Tank Capacity | 64 L | 64 L |
