2005 GMC Sierra vs. 2009 Porsche Cayenne
To start off, 2009 Porsche Cayenne is newer by 4 year(s). Which means there will be less support and parts availability for 2005 GMC Sierra. In addition, the cost of maintenance, including insurance, on 2005 GMC Sierra would be higher. At 5,359 cc (8 cylinders), 2005 GMC Sierra is equipped with a bigger engine. In terms of performance, 2009 Porsche Cayenne (494 HP) has 199 more horse power than 2005 GMC Sierra. (295 HP) In normal driving conditions, 2009 Porsche Cayenne should accelerate faster than 2005 GMC Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2009 Porsche Cayenne weights approximately 7 kg more than 2005 GMC Sierra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2009 Porsche Cayenne (700 Nm) has 246 more torque (in Nm) than 2005 GMC Sierra. (454 Nm). This means 2009 Porsche Cayenne will have an easier job in driving up hills or pulling heavy equipment than 2005 GMC Sierra.
Compare all specifications:
| 2005 GMC Sierra | 2009 Porsche Cayenne | |
| Make | GMC | Porsche |
| Model | Sierra | Cayenne |
| Year Released | 2005 | 2009 |
| Body Type | Pickup | SUV |
| Engine Position | Front | Front |
| Engine Size | 5359 cc | 4806 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 295 HP | 494 HP |
| Torque | 454 Nm | 700 Nm |
| Engine Bore Size | 96 mm | 96 mm |
| Engine Stroke Size | 92 mm | 83 mm |
| Engine Compression Ratio | 9.5:1 | 10.5:1 |
| Drive Type | 4WD | 4WD |
| Number of Seats | 6 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 2423 kg | 2430 kg |
| Vehicle Length | 6330 mm | 4800 mm |
| Vehicle Width | 2000 mm | 1700 mm |
| Vehicle Height | 1880 mm | 1930 mm |
| Wheelbase Size | 4010 mm | 2860 mm |
| Fuel Consumption Overall | 14.7 L/100km | 14.9 L/100km |
| Fuel Tank Capacity | 129 L | 100 L |
