2005 GMC Sierra vs. 2011 Porsche 911
To start off, 2011 Porsche 911 is newer by 6 year(s). Which means there will be less support and parts availability for 2005 GMC Sierra. In addition, the cost of maintenance, including insurance, on 2005 GMC Sierra would be higher. At 5,965 cc (8 cylinders), 2005 GMC Sierra is equipped with a bigger engine. In terms of performance, 2011 Porsche 911 (345 HP @ 6500 RPM) has 24 more horse power than 2005 GMC Sierra. (321 HP @ 5000 RPM) In normal driving conditions, 2011 Porsche 911 should accelerate faster than 2005 GMC Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2005 GMC Sierra weights approximately 881 kg more than 2011 Porsche 911.
Because 2005 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 2011 Porsche 911. In wet, icy, snow, or gravel driving conditions, 2005 GMC Sierra 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, 2011 Porsche 911 (390 Nm @ 4400 RPM) has 20 more torque (in Nm) than 2005 GMC Sierra. (370 Nm @ 4000 RPM). This means 2011 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2005 GMC Sierra. 2005 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. 2005 GMC Sierra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 GMC Sierra | 2011 Porsche 911 | |
| Make | GMC | Porsche |
| Model | Sierra | 911 |
| Year Released | 2005 | 2011 |
| Body Type | Pickup | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 5965 cc | 3600 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Horse Power | 321 HP | 345 HP |
| Engine RPM | 5000 RPM | 6500 RPM |
| Torque | 370 Nm | 390 Nm |
| Torque RPM | 4000 RPM | 4400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 6 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 2270 kg | 1389 kg |
| Vehicle Length | 5790 mm | 4460 mm |
| Vehicle Width | 2000 mm | 1808 mm |
| Vehicle Height | 1850 mm | 1311 mm |
| Wheelbase Size | 3650 mm | 2350 mm |
| Fuel Tank Capacity | 117 L | 64 L |
