2005 GMC Sierra vs. 2006 Porsche 911
To start off, 2006 Porsche 911 is newer by 1 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, 2006 Porsche 911 (350 HP) has 50 more horse power than 2005 GMC Sierra. (300 HP) In normal driving conditions, 2006 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 1030 kg more than 2006 Porsche 911.
Because 2006 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 2005 GMC Sierra. In wet, icy, snow, or gravel driving conditions, 2006 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, 2005 GMC Sierra (488 Nm) has 88 more torque (in Nm) than 2006 Porsche 911. (400 Nm). This means 2005 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2006 Porsche 911.
Compare all specifications:
| 2005 GMC Sierra | 2006 Porsche 911 | |
| Make | GMC | Porsche |
| Model | Sierra | 911 |
| Year Released | 2005 | 2006 |
| Body Type | Pickup | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 5965 cc | 3824 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 300 HP | 350 HP |
| Torque | 488 Nm | 400 Nm |
| Engine Bore Size | 102.1 mm | 99 mm |
| Engine Stroke Size | 92 mm | 82.8 mm |
| Engine Compression Ratio | 9.4:1 | 11.8:1 |
| Drive Type | Rear | 4WD |
| Number of Seats | 6 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 2590 kg | 1560 kg |
| Vehicle Length | 6030 mm | 4430 mm |
| Vehicle Width | 2030 mm | 1860 mm |
| Vehicle Height | 1960 mm | 1310 mm |
| Wheelbase Size | 3890 mm | 2360 mm |
| Fuel Consumption Highway | 12.4 L/100km | 9.1 L/100km |
| Fuel Consumption City | 16.8 L/100km | 13.1 L/100km |
| Fuel Consumption Overall | 14.7 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 98 L | 67 L |
