2003 GMC Sierra vs. 2013 Porsche Panamera
To start off, 2013 Porsche Panamera is newer by 10 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 5,967 cc (8 cylinders), 2003 GMC Sierra is equipped with a bigger engine. In terms of performance, 2013 Porsche Panamera (395 HP @ 6500 RPM) has 74 more horse power than 2003 GMC Sierra. (321 HP @ 5000 RPM) In normal driving conditions, 2013 Porsche Panamera should accelerate faster than 2003 GMC Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2003 GMC Sierra weights approximately 410 kg more than 2013 Porsche Panamera.
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, 2013 Porsche Panamera (500 Nm @ 5000 RPM) has 130 more torque (in Nm) than 2003 GMC Sierra. (370 Nm @ 4000 RPM). This means 2013 Porsche Panamera will have an easier job in driving up hills or pulling heavy equipment than 2003 GMC Sierra.
Compare all specifications:
| 2003 GMC Sierra | 2013 Porsche Panamera | |
| Make | GMC | Porsche |
| Model | Sierra | Panamera |
| Year Released | 2003 | 2013 |
| Body Type | Pickup | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 5967 cc | 4800 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | single |
| Horse Power | 321 HP | 395 HP |
| Engine RPM | 5000 RPM | 6500 RPM |
| Torque | 370 Nm | 500 Nm |
| Torque RPM | 4000 RPM | 5000 RPM |
| Fuel Type | Gasoline | Electric |
| Drive Type | 4WD | AWD |
| Transmission Type | Automatic | Single Speed |
| Number of Seats | 6 seats | 4 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 2270 kg | 1860 kg |
| Vehicle Length | 5790 mm | 4970 mm |
| Vehicle Width | 2000 mm | 2114 mm |
| Vehicle Height | 1850 mm | 1418 mm |
| Wheelbase Size | 3650 mm | 2920 mm |
