2007 GMC Sierra vs. 2008 Porsche 911
To start off, 2008 Porsche 911 is newer by 1 year(s). Which means there will be less support and parts availability for 2007 GMC Sierra. In addition, the cost of maintenance, including insurance, on 2007 GMC Sierra would be higher. At 5,999 cc (8 cylinders), 2007 GMC Sierra is equipped with a bigger engine. In terms of performance, 2008 Porsche 911 (350 HP @ 6600 RPM) has 38 more horse power than 2007 GMC Sierra. (312 HP @ 4400 RPM) In normal driving conditions, 2008 Porsche 911 should accelerate faster than 2007 GMC Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2007 GMC Sierra weights approximately 1142 kg more than 2008 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 GMC Sierra (506 Nm @ 4400 RPM) has 106 more torque (in Nm) than 2008 Porsche 911. (400 Nm @ 4600 RPM). This means 2007 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2008 Porsche 911.
Compare all specifications:
| 2007 GMC Sierra | 2008 Porsche 911 | |
| Make | GMC | Porsche |
| Model | Sierra | 911 |
| Year Released | 2007 | 2008 |
| Body Type | Pickup | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 5999 cc | 3824 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 312 HP | 350 HP |
| Engine RPM | 4400 RPM | 6600 RPM |
| Torque | 506 Nm | 400 Nm |
| Torque RPM | 4400 RPM | 4600 RPM |
| Engine Bore Size | 102 mm | 99 mm |
| Engine Stroke Size | 92 mm | 82.8 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 Weight | 2678 kg | 1536 kg |
| Vehicle Length | 5720 mm | 4430 mm |
| Vehicle Width | 2440 mm | 1860 mm |
| Vehicle Height | 1930 mm | 1310 mm |
| Wheelbase Size | 3380 mm | 2360 mm |
| Fuel Consumption Overall | 10.7 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 129 L | 67 L |
