2007 Audi A4 vs. 1978 Mercury Grand Marquis
To start off, 2007 Audi A4 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 Audi A4 (252 HP @ 6500 RPM) has 113 more horse power than 1978 Mercury Grand Marquis. (139 HP @ 3200 RPM). In normal driving conditions, 2007 Audi A4 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 100 kg more than 2007 Audi A4.
Because 2007 Audi A4 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 Audi A4 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 23 more torque (in Nm) than 2007 Audi A4. (330 Nm @ 3250 RPM). This means 1978 Mercury Grand Marquis will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A4.
Compare all specifications:
| 2007 Audi A4 | 1978 Mercury Grand Marquis | |
| Make | Audi | Mercury |
| Model | A4 | Grand Marquis |
| Year Released | 2007 | 1978 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3188 cc | 5766 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 252 HP | 139 HP |
| Engine RPM | 6500 RPM | 3200 RPM |
| Torque | 330 Nm | 353 Nm |
| Torque RPM | 3250 RPM | 2200 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1610 kg | 1710 kg |
| Vehicle Length | 4590 mm | 5400 mm |
| Vehicle Width | 1780 mm | 1980 mm |
| Vehicle Height | 1430 mm | 1390 mm |
| Wheelbase Size | 2660 mm | 2910 mm |
