2007 GMC Sierra vs. 2005 Porsche 911
To start off, 2007 GMC Sierra is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Porsche 911. In addition, the cost of maintenance, including insurance, on 2005 Porsche 911 would be higher. At 4,294 cc (6 cylinders), 2007 GMC Sierra is equipped with a bigger engine. In terms of performance, 2005 Porsche 911 (444 HP @ 5700 RPM) has 249 more horse power than 2007 GMC Sierra. (195 HP @ 4600 RPM) In normal driving conditions, 2005 Porsche 911 should accelerate faster than 2007 GMC Sierra.
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 Porsche 911 (620 Nm @ 3500 RPM) has 266 more torque (in Nm) than 2007 GMC Sierra. (354 Nm @ 2800 RPM). This means 2005 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2007 GMC Sierra.
Compare all specifications:
| 2007 GMC Sierra | 2005 Porsche 911 | |
| Make | GMC | Porsche |
| Model | Sierra | 911 |
| Year Released | 2007 | 2005 |
| Body Type | Pickup | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 4294 cc | 3605 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 195 HP | 444 HP |
| Engine RPM | 4600 RPM | 5700 RPM |
| Torque | 354 Nm | 620 Nm |
| Torque RPM | 2800 RPM | 3500 RPM |
| Engine Bore Size | 101.6 mm | 100 mm |
| Engine Stroke Size | 88.4 mm | 76 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 3 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Length | 5790 mm | 4440 mm |
| Vehicle Width | 2000 mm | 1840 mm |
| Vehicle Height | 1850 mm | 1300 mm |
| Wheelbase Size | 3650 mm | 2360 mm |
| Fuel Tank Capacity | 129 L | 63 L |
