2005 GMC Sierra vs. 2005 Porsche 911
To start off, both 2005 GMC Sierra and 2005 Porsche 911 were released in the same year (2005). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 5,964 cc (8 cylinders), 2005 GMC Sierra is equipped with a bigger engine. In terms of performance, 2005 GMC Sierra (340 HP @ 5200 RPM) has 24 more horse power than 2005 Porsche 911. (316 HP @ 4250 RPM). In normal driving conditions, 2005 GMC Sierra should accelerate faster than 2005 Porsche 911. With that said, vehicle weight also plays an important factor in acceleration. 2005 GMC Sierra weights approximately 850 kg more than 2005 Porsche 911. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 2005 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, 2005 GMC Sierra (516 Nm @ 4000 RPM) has 146 more torque (in Nm) than 2005 Porsche 911. (370 Nm @ 4250 RPM). This means 2005 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2005 Porsche 911.
Compare all specifications:
| 2005 GMC Sierra | 2005 Porsche 911 | |
| Make | GMC | Porsche |
| Model | Sierra | 911 |
| Year Released | 2005 | 2005 |
| Body Type | Pickup | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 5964 cc | 3595 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 340 HP | 316 HP |
| Engine RPM | 5200 RPM | 4250 RPM |
| Torque | 516 Nm | 370 Nm |
| Torque RPM | 4000 RPM | 4250 RPM |
| Engine Bore Size | 102 mm | 96 mm |
| Engine Stroke Size | 92 mm | 82.8 mm |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Vehicle Weight | 2345 kg | 1495 kg |
| Vehicle Length | 5740 mm | 4440 mm |
| Vehicle Width | 2000 mm | 1780 mm |
| Vehicle Height | 1910 mm | 1310 mm |
| Wheelbase Size | 3650 mm | 2360 mm |
