2005 GMC Sierra vs. 2008 Porsche 911
To start off, 2008 Porsche 911 is newer by 3 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 4,802 cc (8 cylinders), 2005 GMC Sierra is equipped with a bigger engine. In terms of performance, 2008 Porsche 911 (350 HP) has 65 more horse power than 2005 GMC Sierra. (285 HP) In normal driving conditions, 2008 Porsche 911 should accelerate faster than 2005 GMC Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2005 GMC Sierra weights approximately 655 kg more than 2008 Porsche 911.
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, both vehicles can yield 400 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles.
Compare all specifications:
| 2005 GMC Sierra | 2008 Porsche 911 | |
| Make | GMC | Porsche |
| Model | Sierra | 911 |
| Year Released | 2005 | 2008 |
| Body Type | Pickup | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 4802 cc | 3823 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 285 HP | 350 HP |
| Torque | 400 Nm | 400 Nm |
| Engine Bore Size | 96 mm | 99 mm |
| Engine Stroke Size | 83 mm | 82.8 mm |
| Engine Compression Ratio | 9.5:1 | 11.8:1 |
| Drive Type | Rear | Rear |
| Number of Seats | 3 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 2160 kg | 1505 kg |
| Vehicle Length | 5710 mm | 4430 mm |
| Vehicle Width | 2000 mm | 1810 mm |
| Vehicle Height | 1810 mm | 1310 mm |
| Wheelbase Size | 3380 mm | 2360 mm |
| Fuel Consumption Overall | 13.1 L/100km | 11.6 L/100km |
| Fuel Tank Capacity | 129 L | 64 L |
