2008 Cadillac STS vs. 2011 Porsche Cayenne
To start off, 2011 Porsche Cayenne is newer by 3 year(s). Which means there will be less support and parts availability for 2008 Cadillac STS. In addition, the cost of maintenance, including insurance, on 2008 Cadillac STS would be higher. At 4,565 cc (8 cylinders), 2008 Cadillac STS is equipped with a bigger engine. In terms of performance, 2008 Cadillac STS (321 HP @ 6400 RPM) has 21 more horse power than 2011 Porsche Cayenne. (300 HP @ 6300 RPM). In normal driving conditions, 2008 Cadillac STS should accelerate faster than 2011 Porsche Cayenne. With that said, vehicle weight also plays an important factor in acceleration. 2011 Porsche Cayenne weights approximately 183 kg more than 2008 Cadillac STS.
Because 2011 Porsche Cayenne is four wheel drive (4WD), it will have significant more traction and grip than 2008 Cadillac STS. In wet, icy, snow, or gravel driving conditions, 2011 Porsche Cayenne 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, 2008 Cadillac STS (427 Nm @ 4400 RPM) has 27 more torque (in Nm) than 2011 Porsche Cayenne. (400 Nm @ 3000 RPM). This means 2008 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2011 Porsche Cayenne. 2008 Cadillac STS has automatic transmission and 2011 Porsche Cayenne has manual transmission. 2011 Porsche Cayenne will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Cadillac STS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 Cadillac STS | 2011 Porsche Cayenne | |
| Make | Cadillac | Porsche |
| Model | STS | Cayenne |
| Year Released | 2008 | 2011 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 4565 cc | 3600 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 321 HP | 300 HP |
| Engine RPM | 6400 RPM | 6300 RPM |
| Torque | 427 Nm | 400 Nm |
| Torque RPM | 4400 RPM | 3000 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1812 kg | 1995 kg |
| Vehicle Length | 4990 mm | 4846 mm |
| Vehicle Width | 1850 mm | 1938 mm |
| Vehicle Height | 1470 mm | 1712 mm |
| Wheelbase Size | 2960 mm | 2896 mm |
| Fuel Consumption | 9.1 L/100km | 10.7 L/100km |
| Fuel Consumption City | 13.8 L/100km | 15.7 L/100km |
| Fuel Tank Capacity | 66 L | 85 L |
