2008 GMC Sierra vs. 2007 Porsche 911
To start off, 2008 GMC Sierra is newer by 1 year(s). Which means there will be less support and parts availability for 2007 Porsche 911. In addition, the cost of maintenance, including insurance, on 2007 Porsche 911 would be higher. At 4,298 cc (6 cylinders), 2008 GMC Sierra is equipped with a bigger engine. In terms of performance, 2007 Porsche 911 (316 HP @ 4250 RPM) has 121 more horse power than 2008 GMC Sierra. (195 HP @ 4600 RPM) In normal driving conditions, 2007 Porsche 911 should accelerate faster than 2008 GMC Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2008 GMC Sierra weights approximately 656 kg more than 2007 Porsche 911.
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, 2007 Porsche 911 (370 Nm @ 4250 RPM) has 17 more torque (in Nm) than 2008 GMC Sierra. (353 Nm @ 2800 RPM). This means 2007 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2008 GMC Sierra.
Compare all specifications:
| 2008 GMC Sierra | 2007 Porsche 911 | |
| Make | GMC | Porsche |
| Model | Sierra | 911 |
| Year Released | 2008 | 2007 |
| Body Type | Pickup | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 4298 cc | 3595 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 195 HP | 316 HP |
| Engine RPM | 4600 RPM | 4250 RPM |
| Torque | 353 Nm | 370 Nm |
| Torque RPM | 2800 RPM | 4250 RPM |
| Engine Compression Ratio | 9.2:1 | 11.3:1 |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 3 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 2141 kg | 1485 kg |
| Vehicle Length | 5710 mm | 4440 mm |
| Vehicle Width | 2040 mm | 1780 mm |
| Vehicle Height | 1880 mm | 1310 mm |
| Wheelbase Size | 3030 mm | 2360 mm |
| Fuel Consumption Overall | 13.1 L/100km | 11.2 L/100km |
| Fuel Tank Capacity | 98 L | 64 L |
