2006 GMC Sierra vs. 1998 Mercury Grand Marquis
To start off, 2006 GMC Sierra is newer by 8 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 5,965 cc (8 cylinders), 2006 GMC Sierra is equipped with a bigger engine. In terms of performance, 2006 GMC Sierra (300 HP @ 4400 RPM) has 92 more horse power than 1998 Mercury Grand Marquis. (208 HP @ 4250 RPM). In normal driving conditions, 2006 GMC Sierra should accelerate faster than 1998 Mercury Grand Marquis. With that said, vehicle weight also plays an important factor in acceleration. 2006 GMC Sierra weights approximately 781 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 2006 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, 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 (489 Nm @ 4000 RPM) has 129 more torque (in Nm) than 1998 Mercury Grand Marquis. (360 Nm @ 3000 RPM). This means 2006 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1998 Mercury Grand Marquis.
Compare all specifications:
| 2006 GMC Sierra | 1998 Mercury Grand Marquis | |
| Make | GMC | Mercury |
| Model | Sierra | Grand Marquis |
| Year Released | 2006 | 1998 |
| Body Type | Pickup | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5965 cc | 4604 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 300 HP | 208 HP |
| Engine RPM | 4400 RPM | 4250 RPM |
| Torque | 489 Nm | 360 Nm |
| Torque RPM | 4000 RPM | 3000 RPM |
| Drive Type | 4WD | Rear |
| Number of Seats | 6 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 2613 kg | 1832 kg |
| Vehicle Length | 6570 mm | 5390 mm |
| Vehicle Width | 2030 mm | 1990 mm |
| Vehicle Height | 1970 mm | 1450 mm |
| Wheelbase Size | 4250 mm | 2760 mm |
| Fuel Consumption Overall | 13.1 L/100km | 11.2 L/100km |
| Fuel Tank Capacity | 129 L | 72 L |
