2008 Mercury Grand Marquis vs. 2010 GMC Sierra
To start off, 2010 GMC Sierra is newer by 2 year(s). Which means there will be less support and parts availability for 2008 Mercury Grand Marquis. In addition, the cost of maintenance, including insurance, on 2008 Mercury Grand Marquis would be higher. At 5,300 cc (8 cylinders), 2010 GMC Sierra is equipped with a bigger engine. In terms of performance, 2010 GMC Sierra (315 HP @ 5200 RPM) has 90 more horse power than 2008 Mercury Grand Marquis. (225 HP @ 4800 RPM) In normal driving conditions, 2010 GMC Sierra should accelerate faster than 2008 Mercury Grand Marquis. With that said, vehicle weight also plays an important factor in acceleration. 2010 GMC Sierra weights approximately 486 kg more than 2008 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, 2010 GMC Sierra (454 Nm @ 4000 RPM) has 81 more torque (in Nm) than 2008 Mercury Grand Marquis. (373 Nm @ 4000 RPM). This means 2010 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2008 Mercury Grand Marquis.
Compare all specifications:
| 2008 Mercury Grand Marquis | 2010 GMC Sierra | |
| Make | Mercury | GMC |
| Model | Grand Marquis | Sierra |
| Year Released | 2008 | 2010 |
| Body Type | Sedan | Pickup |
| Engine Position | Front | Front |
| Engine Size | 4606 cc | 5300 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 225 HP | 315 HP |
| Engine RPM | 4800 RPM | 5200 RPM |
| Torque | 373 Nm | 454 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Fuel Type | Diesel | Flex Fuel |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1832 kg | 2318 kg |
| Vehicle Length | 5370 mm | 5847 mm |
| Vehicle Width | 2000 mm | 2032 mm |
| Vehicle Height | 1440 mm | 1875 mm |
| Wheelbase Size | 2920 mm | 3645 mm |
| Fuel Tank Capacity | 72 L | 98 L |
