2007 Mazda 6 vs. 1978 Mercury Grand Marquis
To start off, 2007 Mazda 6 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 4,942 cc (8 cylinders), 1978 Mercury Grand Marquis is equipped with a bigger engine. In terms of performance, 2007 Mazda 6 (134 HP @ 3500 RPM) has 5 more horse power than 1978 Mercury Grand Marquis. (129 HP @ 3600 RPM). In normal driving conditions, 2007 Mazda 6 should accelerate faster than 1978 Mercury Grand Marquis. With that said, vehicle weight also plays an important factor in acceleration. 1978 Mercury Grand Marquis weights approximately 150 kg more than 2007 Mazda 6.
Because 1978 Mercury Grand Marquis is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1978 Mercury Grand Marquis. However, in wet, icy, snow, or gravel driving conditions, 2007 Mazda 6, being front wheel drive (FWD), will offer much better control with better grip. 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, 2007 Mazda 6 (310 Nm @ 2000 RPM) has 7 more torque (in Nm) than 1978 Mercury Grand Marquis. (303 Nm @ 2600 RPM). This means 2007 Mazda 6 will have an easier job in driving up hills or pulling heavy equipment than 1978 Mercury Grand Marquis.
Compare all specifications:
| 2007 Mazda 6 | 1978 Mercury Grand Marquis | |
| Make | Mazda | Mercury |
| Model | 6 | Grand Marquis |
| Year Released | 2007 | 1978 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1998 cc | 4942 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 134 HP | 129 HP |
| Engine RPM | 3500 RPM | 3600 RPM |
| Torque | 310 Nm | 303 Nm |
| Torque RPM | 2000 RPM | 2600 RPM |
| Engine Bore Size | 86 mm | 101.6 mm |
| Engine Stroke Size | 86 mm | 76.2 mm |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1540 kg | 1690 kg |
| Vehicle Length | 4710 mm | 5400 mm |
| Vehicle Width | 1790 mm | 1980 mm |
| Vehicle Height | 1490 mm | 1390 mm |
| Wheelbase Size | 2680 mm | 2910 mm |
