1978 Mercury Grand Marquis vs. 2006 Mercury Mariner
To start off, 2006 Mercury Mariner is newer by 28 year(s). Which means there will be less support and parts availability for 1978 Mercury Grand Marquis. In addition, the cost of maintenance, including insurance, on 1978 Mercury Grand Marquis would be higher. At 5,766 cc (8 cylinders), 1978 Mercury Grand Marquis is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 2006 Mercury Mariner weights approximately 215 kg more than 1978 Mercury Grand Marquis.
Because 2006 Mercury Mariner is four wheel drive (4WD), it will have significant more traction and grip than 1978 Mercury Grand Marquis. In wet, icy, snow, or gravel driving conditions, 2006 Mercury Mariner 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, 1978 Mercury Grand Marquis (353 Nm @ 2200 RPM) has 185 more torque (in Nm) than 2006 Mercury Mariner. (168 Nm @ 4250 RPM). This means 1978 Mercury Grand Marquis will have an easier job in driving up hills or pulling heavy equipment than 2006 Mercury Mariner.
Compare all specifications:
| 1978 Mercury Grand Marquis | 2006 Mercury Mariner | |
| Make | Mercury | Mercury |
| Model | Grand Marquis | Mariner |
| Year Released | 1978 | 2006 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 5766 cc | 2299 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 139 HP | 0 HP |
| Torque | 353 Nm | 168 Nm |
| Torque RPM | 2200 RPM | 4250 RPM |
| Fuel Type | Gasoline | Gasoline / Electric Hybrid |
| Drive Type | Rear | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1710 kg | 1925 kg |
| Vehicle Length | 5400 mm | 4430 mm |
| Vehicle Width | 1980 mm | 1790 mm |
| Vehicle Height | 1390 mm | 1790 mm |
| Wheelbase Size | 2910 mm | 2630 mm |
