2007 Chevrolet Equinox vs. 1978 Mercury Grand Marquis
To start off, 2007 Chevrolet Equinox is newer by 29 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. In terms of performance, 2007 Chevrolet Equinox (185 HP @ 5200 RPM) has 46 more horse power than 1978 Mercury Grand Marquis. (139 HP @ 3200 RPM). In normal driving conditions, 2007 Chevrolet Equinox should accelerate faster than 1978 Mercury Grand Marquis. With that said, vehicle weight also plays an important factor in acceleration. 2007 Chevrolet Equinox weights approximately 650 kg more than 1978 Mercury Grand Marquis. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Chevrolet Equinox 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, 2007 Chevrolet Equinox 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 68 more torque (in Nm) than 2007 Chevrolet Equinox. (285 Nm @ 3800 RPM). This means 1978 Mercury Grand Marquis will have an easier job in driving up hills or pulling heavy equipment than 2007 Chevrolet Equinox.
Compare all specifications:
| 2007 Chevrolet Equinox | 1978 Mercury Grand Marquis | |
| Make | Chevrolet | Mercury |
| Model | Equinox | Grand Marquis |
| Year Released | 2007 | 1978 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3425 cc | 5766 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 185 HP | 139 HP |
| Engine RPM | 5200 RPM | 3200 RPM |
| Torque | 285 Nm | 353 Nm |
| Torque RPM | 3800 RPM | 2200 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 2360 kg | 1710 kg |
| Vehicle Length | 4800 mm | 5400 mm |
| Vehicle Width | 1820 mm | 1980 mm |
| Vehicle Height | 1770 mm | 1390 mm |
| Wheelbase Size | 2860 mm | 2910 mm |
