2008 GMC Sierra vs. 2006 Mercury Grand Marquis
To start off, 2008 GMC Sierra is newer by 2 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 4,604 cc (8 cylinders), 2006 Mercury Grand Marquis is equipped with a bigger engine. In terms of performance, 2006 Mercury Grand Marquis (224 HP @ 4800 RPM) has 29 more horse power than 2008 GMC Sierra. (195 HP @ 4600 RPM) In normal driving conditions, 2006 Mercury Grand Marquis should accelerate faster than 2008 GMC Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2008 GMC Sierra weights approximately 66 kg more than 2006 Mercury Grand Marquis.
Because 2008 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 2006 Mercury Grand Marquis. In wet, icy, snow, or gravel driving conditions, 2008 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 Mercury Grand Marquis (373 Nm @ 4000 RPM) has 20 more torque (in Nm) than 2008 GMC Sierra. (353 Nm @ 2800 RPM). This means 2006 Mercury Grand Marquis will have an easier job in driving up hills or pulling heavy equipment than 2008 GMC Sierra.
Compare all specifications:
| 2008 GMC Sierra | 2006 Mercury Grand Marquis | |
| Make | GMC | Mercury |
| Model | Sierra | Grand Marquis |
| Year Released | 2008 | 2006 |
| Body Type | Pickup | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4298 cc | 4604 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 195 HP | 224 HP |
| Engine RPM | 4600 RPM | 4800 RPM |
| Torque | 353 Nm | 373 Nm |
| Torque RPM | 2800 RPM | 4000 RPM |
| Drive Type | 4WD | Rear |
| Number of Seats | 3 seats | 6 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 2141 kg | 2075 kg |
| Vehicle Length | 5710 mm | 5390 mm |
| Vehicle Width | 2040 mm | 1990 mm |
| Vehicle Height | 1880 mm | 1450 mm |
| Wheelbase Size | 3030 mm | 2920 mm |
| Fuel Consumption Overall | 13.1 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 98 L | 72 L |
