2005 GMC Sierra vs. 2007 Porsche 911
To start off, 2007 Porsche 911 is newer by 2 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 5,965 cc (8 cylinders), 2005 GMC Sierra is equipped with a bigger engine. In terms of performance, 2007 Porsche 911 (325 HP) has 25 more horse power than 2005 GMC Sierra. (300 HP) In normal driving conditions, 2007 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 855 kg more than 2007 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, 2005 GMC Sierra (488 Nm) has 118 more torque (in Nm) than 2007 Porsche 911. (370 Nm). This means 2005 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2007 Porsche 911.
Compare all specifications:
| 2005 GMC Sierra | 2007 Porsche 911 | |
| Make | GMC | Porsche |
| Model | Sierra | 911 |
| Year Released | 2005 | 2007 |
| Body Type | Pickup | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 5965 cc | 3596 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 300 HP | 325 HP |
| Torque | 488 Nm | 370 Nm |
| Engine Bore Size | 102.1 mm | 96 mm |
| Engine Stroke Size | 92 mm | 83 mm |
| Engine Compression Ratio | 9.4:1 | 11.3:1 |
| Drive Type | Rear | Rear |
| Number of Seats | 6 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 2590 kg | 1735 kg |
| Vehicle Length | 6030 mm | 4470 mm |
| Vehicle Width | 2030 mm | 1810 mm |
| Vehicle Height | 1960 mm | 1320 mm |
| Wheelbase Size | 3890 mm | 2360 mm |
| Fuel Consumption Highway | 12.4 L/100km | 9.2 L/100km |
| Fuel Consumption City | 16.8 L/100km | 13.2 L/100km |
| Fuel Consumption Overall | 14.7 L/100km | 11.4 L/100km |
| Fuel Tank Capacity | 98 L | 64 L |
