2007 GMC Sierra vs. 2009 Porsche 911
To start off, 2009 Porsche 911 is newer by 2 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 5,997 cc (8 cylinders), 2007 GMC Sierra is equipped with a bigger engine. In terms of performance, 2007 GMC Sierra (353 HP @ 5400 RPM) has 3 more horse power than 2009 Porsche 911. (350 HP @ 6600 RPM). In normal driving conditions, 2007 GMC Sierra should accelerate faster than 2009 Porsche 911. With that said, vehicle weight also plays an important factor in acceleration. 2007 GMC Sierra weights approximately 1047 kg more than 2009 Porsche 911. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 2007 GMC Sierra. In wet, icy, snow, or gravel driving conditions, 2009 Porsche 911 will offer significantly more control. 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 2009 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 2009 Porsche 911. 2007 GMC Sierra has automatic transmission and 2009 Porsche 911 has manual transmission. 2009 Porsche 911 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 GMC Sierra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 GMC Sierra | 2009 Porsche 911 | |
| Make | GMC | Porsche |
| Model | Sierra | 911 |
| Year Released | 2007 | 2009 |
| Body Type | Pickup | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 5997 cc | 3824 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 353 HP | 350 HP |
| Engine RPM | 5400 RPM | 6600 RPM |
| Torque | 506 Nm | 400 Nm |
| Torque RPM | 4400 RPM | 4600 RPM |
| Engine Bore Size | 102 mm | 96 mm |
| Engine Stroke Size | 92 mm | 82.8 mm |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 6 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 2577 kg | 1530 kg |
| Vehicle Length | 6590 mm | 4430 mm |
| Vehicle Width | 2040 mm | 1310 mm |
| Vehicle Height | 1950 mm | 1860 mm |
| Wheelbase Size | 4250 mm | 2360 mm |
| Fuel Consumption Overall | 10.7 L/100km | 8.3 L/100km |
| Fuel Tank Capacity | 129 L | 67 L |
