2007 GMC Sierra vs. 2011 Porsche 911
To start off, 2011 Porsche 911 is newer by 4 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 5,998 cc (8 cylinders), 2007 GMC Sierra is equipped with a bigger engine. In terms of performance, 2011 Porsche 911 (500 HP @ 6000 RPM) has 155 more horse power than 2007 GMC Sierra. (345 HP @ 5200 RPM) In normal driving conditions, 2011 Porsche 911 should accelerate faster than 2007 GMC Sierra.
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, 2011 Porsche 911 (650 Nm @ 1950 RPM) has 135 more torque (in Nm) than 2007 GMC Sierra. (515 Nm @ 4000 RPM). This means 2011 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2007 GMC Sierra. 2007 GMC Sierra has automatic transmission and 2011 Porsche 911 has manual transmission. 2011 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 | 2011 Porsche 911 | |
| Make | GMC | Porsche |
| Model | Sierra | 911 |
| Year Released | 2007 | 2011 |
| Body Type | Pickup | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 5998 cc | 3800 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 345 HP | 500 HP |
| Engine RPM | 5200 RPM | 6000 RPM |
| Torque | 515 Nm | 650 Nm |
| Torque RPM | 4000 RPM | 1950 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | AWD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Length | 5850 mm | 4478 mm |
| Vehicle Width | 2000 mm | 1852 mm |
| Vehicle Height | 1910 mm | 1300 mm |
| Wheelbase Size | 3650 mm | 2350 mm |
| Fuel Consumption Highway | 14 L/100km | 9.8 L/100km |
| Fuel Consumption City | 17 L/100km | 14.7 L/100km |
| Fuel Tank Capacity | 98 L | 67 L |
