2005 GMC Sierra vs. 2003 Porsche Cayenne
To start off, 2005 GMC Sierra is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Porsche Cayenne. In addition, the cost of maintenance, including insurance, on 2003 Porsche Cayenne would be higher. At 5,965 cc (8 cylinders), 2005 GMC Sierra is equipped with a bigger engine. In terms of performance, 2005 GMC Sierra (321 HP @ 5000 RPM) has 75 more horse power than 2003 Porsche Cayenne. (246 HP @ 6000 RPM). In normal driving conditions, 2005 GMC Sierra should accelerate faster than 2003 Porsche Cayenne. With that said, vehicle weight also plays an important factor in acceleration. 2005 GMC Sierra weights approximately 110 kg more than 2003 Porsche Cayenne. 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, 2005 GMC Sierra (370 Nm @ 4000 RPM) has 50 more torque (in Nm) than 2003 Porsche Cayenne. (320 Nm @ 2500 RPM). This means 2005 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2003 Porsche Cayenne.
Compare all specifications:
| 2005 GMC Sierra | 2003 Porsche Cayenne | |
| Make | GMC | Porsche |
| Model | Sierra | Cayenne |
| Year Released | 2005 | 2003 |
| Body Type | Pickup | SUV |
| Engine Position | Front | Front |
| Engine Size | 5965 cc | 3164 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 321 HP | 246 HP |
| Engine RPM | 5000 RPM | 6000 RPM |
| Torque | 370 Nm | 320 Nm |
| Torque RPM | 4000 RPM | 2500 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 | 2270 kg | 2160 kg |
| Vehicle Length | 5790 mm | 4790 mm |
| Vehicle Width | 2000 mm | 1930 mm |
| Vehicle Height | 1850 mm | 1710 mm |
| Wheelbase Size | 3650 mm | 2860 mm |
| Fuel Consumption Overall | 13.1 L/100km | 13.2 L/100km |
| Fuel Tank Capacity | 117 L | 92 L |
