2005 GMC Sierra vs. 2003 Porsche 911
To start off, 2005 GMC Sierra is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Porsche 911. In addition, the cost of maintenance, including insurance, on 2003 Porsche 911 would be higher. At 5,359 cc (8 cylinders), 2005 GMC Sierra is equipped with a bigger engine. In terms of performance, 2003 Porsche 911 (340 HP) has 45 more horse power than 2005 GMC Sierra. (295 HP) In normal driving conditions, 2003 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 1043 kg more than 2003 Porsche 911.
Because 2005 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 2003 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 (454 Nm) has 84 more torque (in Nm) than 2003 Porsche 911. (370 Nm). This means 2005 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2003 Porsche 911.
Compare all specifications:
| 2005 GMC Sierra | 2003 Porsche 911 | |
| Make | GMC | Porsche |
| Model | Sierra | 911 |
| Year Released | 2005 | 2003 |
| Body Type | Pickup | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 5359 cc | 3596 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 295 HP | 340 HP |
| Torque | 454 Nm | 370 Nm |
| Engine Bore Size | 96 mm | 96 mm |
| Engine Stroke Size | 92 mm | 82.8 mm |
| Engine Compression Ratio | 9.5:1 | 11.3:1 |
| Drive Type | 4WD | Rear |
| Number of Seats | 6 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 2423 kg | 1380 kg |
| Vehicle Length | 6330 mm | 4440 mm |
| Vehicle Width | 2000 mm | 1780 mm |
| Vehicle Height | 1880 mm | 1300 mm |
| Wheelbase Size | 4010 mm | 2360 mm |
| Fuel Consumption Highway | 12.4 L/100km | 8.3 L/100km |
| Fuel Consumption City | 15.7 L/100km | 16.5 L/100km |
| Fuel Consumption Overall | 14.7 L/100km | 11.3 L/100km |
| Fuel Tank Capacity | 129 L | 64 L |
