1987 Mercury Grand Marquis vs. 2010 Infiniti QX56
To start off, 2010 Infiniti QX56 is newer by 23 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 5,600 cc (8 cylinders), 2010 Infiniti QX56 is equipped with a bigger engine. In terms of performance, 2010 Infiniti QX56 (320 HP @ 5200 RPM) has 172 more horse power than 1987 Mercury Grand Marquis. (148 HP @ 3200 RPM) In normal driving conditions, 2010 Infiniti QX56 should accelerate faster than 1987 Mercury Grand Marquis. With that said, vehicle weight also plays an important factor in acceleration. 2010 Infiniti QX56 weights approximately 838 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.
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 Infiniti QX56 (532 Nm @ 3400 RPM) has 166 more torque (in Nm) than 1987 Mercury Grand Marquis. (366 Nm @ 2000 RPM). This means 2010 Infiniti QX56 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 | 2010 Infiniti QX56 | |
| Make | Mercury | Infiniti |
| Model | Grand Marquis | QX56 |
| Year Released | 1987 | 2010 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 4942 cc | 5600 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 148 HP | 320 HP |
| Engine RPM | 3200 RPM | 5200 RPM |
| Torque | 366 Nm | 532 Nm |
| Torque RPM | 2000 RPM | 3400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1750 kg | 2588 kg |
| Vehicle Length | 5400 mm | 5255 mm |
| Vehicle Width | 1980 mm | 2002 mm |
| Vehicle Height | 1390 mm | 1976 mm |
| Wheelbase Size | 2920 mm | 3129 mm |
| Fuel Tank Capacity | 90 L | 106 L |
