2008 GMC Sierra vs. 2010 Porsche Cayenne
To start off, 2010 Porsche Cayenne is newer by 2 year(s). Which means there will be less support and parts availability for 2008 GMC Sierra. In addition, the cost of maintenance, including insurance, on 2008 GMC Sierra would be higher. At 5,999 cc (8 cylinders), 2008 GMC Sierra is equipped with a bigger engine. In terms of performance, 2010 Porsche Cayenne (405 HP @ 6500 RPM) has 52 more horse power than 2008 GMC Sierra. (353 HP @ 5400 RPM) In normal driving conditions, 2010 Porsche Cayenne should accelerate faster than 2008 GMC Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2008 GMC Sierra weights approximately 190 kg more than 2010 Porsche Cayenne.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear 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, 2008 GMC Sierra (506 Nm @ 4400 RPM) has 6 more torque (in Nm) than 2010 Porsche Cayenne. (500 Nm @ 3500 RPM). This means 2008 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2010 Porsche Cayenne.
Compare all specifications:
| 2008 GMC Sierra | 2010 Porsche Cayenne | |
| Make | GMC | Porsche |
| Model | Sierra | Cayenne |
| Year Released | 2008 | 2010 |
| Body Type | Pickup | SUV |
| Engine Position | Front | Front |
| Engine Size | 5999 cc | 4800 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 353 HP | 405 HP |
| Engine RPM | 5400 RPM | 6500 RPM |
| Torque | 506 Nm | 500 Nm |
| Torque RPM | 4400 RPM | 3500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 6 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 2435 kg | 2245 kg |
| Vehicle Length | 6340 mm | 4798 mm |
| Vehicle Width | 2040 mm | 1930 mm |
| Vehicle Height | 1950 mm | 1699 mm |
| Wheelbase Size | 4010 mm | 2855 mm |
| Fuel Tank Capacity | 129 L | 100 L |
