2007 GMC Sierra vs. 2006 Mercury Grand Marquis
To start off, 2007 GMC Sierra is newer by 1 year(s). Which means there will be less support and parts availability for 2006 Mercury Grand Marquis. In addition, the cost of maintenance, including insurance, on 2006 Mercury Grand Marquis would be higher. At 5,997 cc (8 cylinders), 2007 GMC Sierra is equipped with a bigger engine. In terms of performance, 2007 GMC Sierra (353 HP @ 5400 RPM) has 129 more horse power than 2006 Mercury Grand Marquis. (224 HP @ 4800 RPM). In normal driving conditions, 2007 GMC Sierra should accelerate faster than 2006 Mercury Grand Marquis. With that said, vehicle weight also plays an important factor in acceleration. 2007 GMC Sierra weights approximately 502 kg more than 2006 Mercury Grand Marquis. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 2007 GMC Sierra (506 Nm @ 4400 RPM) has 133 more torque (in Nm) than 2006 Mercury Grand Marquis. (373 Nm @ 4000 RPM). This means 2007 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2006 Mercury Grand Marquis.
Compare all specifications:
| 2007 GMC Sierra | 2006 Mercury Grand Marquis | |
| Make | GMC | Mercury |
| Model | Sierra | Grand Marquis |
| Year Released | 2007 | 2006 |
| Body Type | Pickup | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5997 cc | 4604 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 353 HP | 224 HP |
| Engine RPM | 5400 RPM | 4800 RPM |
| Torque | 506 Nm | 373 Nm |
| Torque RPM | 4400 RPM | 4000 RPM |
| Drive Type | Rear | Rear |
| Number of Seats | 6 seats | 6 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 2577 kg | 2075 kg |
| Vehicle Length | 6590 mm | 5390 mm |
| Vehicle Width | 2040 mm | 1990 mm |
| Vehicle Height | 1950 mm | 1450 mm |
| Wheelbase Size | 4250 mm | 2920 mm |
| Fuel Consumption Overall | 10.7 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 129 L | 72 L |
