2009 Cadillac STS vs. 2006 Porsche Boxster
To start off, 2009 Cadillac STS is newer by 3 year(s). Which means there will be less support and parts availability for 2006 Porsche Boxster. In addition, the cost of maintenance, including insurance, on 2006 Porsche Boxster would be higher. At 4,565 cc (8 cylinders), 2009 Cadillac STS is equipped with a bigger engine. In terms of performance, 2009 Cadillac STS (321 HP @ 6400 RPM) has 81 more horse power than 2006 Porsche Boxster. (240 HP @ 6400 RPM). In normal driving conditions, 2009 Cadillac STS should accelerate faster than 2006 Porsche Boxster. With that said, vehicle weight also plays an important factor in acceleration. 2009 Cadillac STS weights approximately 85 kg more than 2006 Porsche Boxster. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Cadillac STS is four wheel drive (4WD), it will have significant more traction and grip than 2006 Porsche Boxster. In wet, icy, snow, or gravel driving conditions, 2009 Cadillac STS 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 (427 Nm @ 4400 RPM) has 157 more torque (in Nm) than 2006 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 2006 Porsche Boxster.
Compare all specifications:
| 2009 Cadillac STS | 2006 Porsche Boxster | |
| Make | Cadillac | Porsche |
| Model | STS | Boxster |
| Year Released | 2009 | 2006 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Middle |
| Engine Size | 4565 cc | 2686 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 321 HP | 240 HP |
| Engine RPM | 6400 RPM | 6400 RPM |
| Torque | 427 Nm | 270 Nm |
| Torque RPM | 4400 RPM | 4700 RPM |
| Engine Bore Size | 93 mm | 85.5 mm |
| Engine Stroke Size | 84 mm | 78 mm |
| Top Speed | 250 km/hour | 253 km/hour |
| Acceleration 0-100mph | 6.2 seconds | 6.4 seconds |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1820 kg | 1735 kg |
| Vehicle Length | 4990 mm | 4370 mm |
| Vehicle Width | 1850 mm | 1810 mm |
| Vehicle Height | 1470 mm | 1300 mm |
| Wheelbase Size | 2960 mm | 2420 mm |
| Fuel Consumption Highway | 9.1 L/100km | 8.1 L/100km |
| Fuel Consumption City | 13.8 L/100km | 11.8 L/100km |
| Fuel Consumption Overall | 16.8 L/100km | 10.2 L/100km |
| Fuel Tank Capacity | 66 L | 64 L |
