1998 Mercury Grand Marquis vs. 2009 GMC Sierra
To start off, 2009 GMC Sierra is newer by 11 year(s). Which means there will be less support and parts availability for 1998 Mercury Grand Marquis. In addition, the cost of maintenance, including insurance, on 1998 Mercury Grand Marquis would be higher. At 5,999 cc (8 cylinders), 2009 GMC Sierra is equipped with a bigger engine. In terms of performance, 2009 GMC Sierra (353 HP @ 5400 RPM) has 130 more horse power than 1998 Mercury Grand Marquis. (223 HP @ 4500 RPM) In normal driving conditions, 2009 GMC Sierra should accelerate faster than 1998 Mercury Grand Marquis. With that said, vehicle weight also plays an important factor in acceleration. 2009 GMC Sierra weights approximately 409 kg more than 1998 Mercury Grand Marquis. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 1998 Mercury Grand Marquis. In wet, icy, snow, or gravel driving conditions, 2009 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, 2009 GMC Sierra (506 Nm @ 4400 RPM) has 134 more torque (in Nm) than 1998 Mercury Grand Marquis. (372 Nm @ 3000 RPM). This means 2009 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1998 Mercury Grand Marquis.
Compare all specifications:
| 1998 Mercury Grand Marquis | 2009 GMC Sierra | |
| Make | Mercury | GMC |
| Model | Grand Marquis | Sierra |
| Year Released | 1998 | 2009 |
| Body Type | Sedan | Pickup |
| Engine Position | Front | Front |
| Engine Size | 4603 cc | 5999 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 223 HP | 353 HP |
| Engine RPM | 4500 RPM | 5400 RPM |
| Torque | 372 Nm | 506 Nm |
| Torque RPM | 3000 RPM | 4400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1732 kg | 2141 kg |
| Vehicle Length | 5390 mm | 6580 mm |
| Vehicle Width | 2000 mm | 2040 mm |
| Vehicle Height | 1450 mm | 1960 mm |
| Wheelbase Size | 2920 mm | 4250 mm |
| Fuel Consumption Overall | 14.7 L/100km | 13.8 L/100km |
| Fuel Tank Capacity | 68 L | 129 L |
