2003 GMC Sierra vs. 2005 Porsche 911
To start off, 2005 Porsche 911 is newer by 2 year(s). Which means there will be less support and parts availability for 2003 GMC Sierra. In addition, the cost of maintenance, including insurance, on 2003 GMC Sierra would be higher. At 4,816 cc (8 cylinders), 2003 GMC Sierra is equipped with a bigger engine. In terms of performance, 2005 Porsche 911 (321 HP) has 46 more horse power than 2003 GMC Sierra. (275 HP) In normal driving conditions, 2005 Porsche 911 should accelerate faster than 2003 GMC Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2003 GMC Sierra weights approximately 460 kg more than 2005 Porsche 911.
Because 2005 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 2003 GMC Sierra. In wet, icy, snow, or gravel driving conditions, 2005 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, 2003 GMC Sierra (386 Nm) has 16 more torque (in Nm) than 2005 Porsche 911. (370 Nm). This means 2003 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2005 Porsche 911.
Compare all specifications:
| 2003 GMC Sierra | 2005 Porsche 911 | |
| Make | GMC | Porsche |
| Model | Sierra | 911 |
| Year Released | 2003 | 2005 |
| Body Type | Pickup | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 4816 cc | 3587 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Horse Power | 275 HP | 321 HP |
| Torque | 386 Nm | 370 Nm |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1945 kg | 1485 kg |
| Vehicle Length | 5650 mm | 4440 mm |
| Vehicle Width | 2000 mm | 1780 mm |
| Vehicle Height | 1810 mm | 1310 mm |
| Wheelbase Size | 3380 mm | 2360 mm |
