2006 GMC Sierra vs. 2007 Pontiac Grand Prix
To start off, 2007 Pontiac Grand Prix is newer by 1 year(s). Which means there will be less support and parts availability for 2006 GMC Sierra. In addition, the cost of maintenance, including insurance, on 2006 GMC Sierra would be higher. At 5,965 cc (8 cylinders), 2006 GMC Sierra is equipped with a bigger engine. In terms of performance, 2007 Pontiac Grand Prix (303 HP @ 5600 RPM) has 3 more horse power than 2006 GMC Sierra. (300 HP @ 4400 RPM) In normal driving conditions, 2007 Pontiac Grand Prix should accelerate faster than 2006 GMC Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2006 GMC Sierra weights approximately 1326 kg more than 2007 Pontiac Grand Prix.
Because 2006 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 2007 Pontiac Grand Prix. In wet, icy, snow, or gravel driving conditions, 2006 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, 2006 GMC Sierra (488 Nm @ 4000 RPM) has 50 more torque (in Nm) than 2007 Pontiac Grand Prix. (438 Nm @ 4400 RPM). This means 2006 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2007 Pontiac Grand Prix.
Compare all specifications:
| 2006 GMC Sierra | 2007 Pontiac Grand Prix | |
| Make | GMC | Pontiac |
| Model | Sierra | Grand Prix |
| Year Released | 2006 | 2007 |
| Body Type | Pickup | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5965 cc | 5670 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 300 HP | 303 HP |
| Engine RPM | 4400 RPM | 5600 RPM |
| Torque | 488 Nm | 438 Nm |
| Torque RPM | 4000 RPM | 4400 RPM |
| Drive Type | 4WD | Front |
| Number of Seats | 3 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 2678 kg | 1352 kg |
| Vehicle Length | 5710 mm | 5040 mm |
| Vehicle Width | 2450 mm | 1830 mm |
| Vehicle Height | 1950 mm | 1430 mm |
| Wheelbase Size | 3380 mm | 2810 mm |
| Fuel Consumption Overall | 13.1 L/100km | 11.2 L/100km |
| Fuel Tank Capacity | 129 L | 64 L |
