2005 GMC Sierra vs. 2006 Porsche Cayman
To start off, 2006 Porsche Cayman is newer by 1 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, both vehicles can yield 295 horse power. So under normal driving conditions, the acceleration of both vehicles should be relatively similar. With that said, vehicle weight also plays an important factor in acceleration. 2005 GMC Sierra weights approximately 900 kg more than 2006 Porsche Cayman.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front 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 (454 Nm) has 114 more torque (in Nm) than 2006 Porsche Cayman. (340 Nm). This means 2005 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2006 Porsche Cayman.
Compare all specifications:
| 2005 GMC Sierra | 2006 Porsche Cayman | |
| Make | GMC | Porsche |
| Model | Sierra | Cayman |
| Year Released | 2005 | 2006 |
| Body Type | Pickup | Coupe |
| Engine Position | Front | Middle |
| Engine Size | 5359 cc | 3392 cc |
| Engine Type | V | boxer |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 295 HP | 295 HP |
| Torque | 454 Nm | 340 Nm |
| Engine Compression Ratio | 9.5:1 | 11.1:1 |
| Fuel Type | Gasoline / Electric Hybrid | Gasoline - Premium |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 2315 kg | 1415 kg |
| Vehicle Length | 5850 mm | 4380 mm |
| Vehicle Width | 2000 mm | 1810 mm |
| Vehicle Height | 1810 mm | 1310 mm |
| Wheelbase Size | 3650 mm | 2420 mm |
| Fuel Consumption Overall | 12.4 L/100km | 10.6 L/100km |
| Fuel Tank Capacity | 98 L | 74 L |
