1987 Mercury Grand Marquis vs. 2011 GMC Sierra
To start off, 2011 GMC Sierra is newer by 24 year(s). Which means there will be less support and parts availability for 1987 Mercury Grand Marquis. In addition, the cost of maintenance, including insurance, on 1987 Mercury Grand Marquis would be higher. At 6,000 cc (8 cylinders), 2011 GMC Sierra is equipped with a bigger engine. In terms of performance, 2011 GMC Sierra (364 HP @ 5400 RPM) has 216 more horse power than 1987 Mercury Grand Marquis. (148 HP @ 3200 RPM) In normal driving conditions, 2011 GMC Sierra should accelerate faster than 1987 Mercury Grand Marquis. With that said, vehicle weight also plays an important factor in acceleration. 2011 GMC Sierra weights approximately 909 kg more than 1987 Mercury Grand Marquis. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2011 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 1987 Mercury Grand Marquis. In wet, icy, snow, or gravel driving conditions, 2011 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, 2011 GMC Sierra (506 Nm @ 4400 RPM) has 140 more torque (in Nm) than 1987 Mercury Grand Marquis. (366 Nm @ 2000 RPM). This means 2011 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1987 Mercury Grand Marquis.
Compare all specifications:
| 1987 Mercury Grand Marquis | 2011 GMC Sierra | |
| Make | Mercury | GMC |
| Model | Grand Marquis | Sierra |
| Year Released | 1987 | 2011 |
| Body Type | Sedan | Pickup |
| Engine Position | Front | Front |
| Engine Size | 4942 cc | 6000 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 148 HP | 364 HP |
| Engine RPM | 3200 RPM | 5400 RPM |
| Torque | 366 Nm | 506 Nm |
| Torque RPM | 2000 RPM | 4400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Number of Seats | 5 seats | 3 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1750 kg | 2659 kg |
| Vehicle Length | 5400 mm | 5710 mm |
| Vehicle Width | 1980 mm | 2040 mm |
| Vehicle Height | 1390 mm | 1940 mm |
| Wheelbase Size | 2920 mm | 3380 mm |
| Fuel Tank Capacity | 90 L | 129 L |
