1999 Audi A4 vs. 1978 Mercury Grand Marquis
To start off, 1999 Audi A4 is newer by 21 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, 1999 Audi A4 (150 HP) has 21 more horse power than 1978 Mercury Grand Marquis. (129 HP). In normal driving conditions, 1999 Audi A4 should accelerate faster than 1978 Mercury Grand Marquis.
Because 1999 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, 1999 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 (303 Nm) has 93 more torque (in Nm) than 1999 Audi A4. (210 Nm). This means 1978 Mercury Grand Marquis will have an easier job in driving up hills or pulling heavy equipment than 1999 Audi A4.
Compare all specifications:
| 1999 Audi A4 | 1978 Mercury Grand Marquis | |
| Make | Audi | Mercury |
| Model | A4 | Grand Marquis |
| Year Released | 1999 | 1978 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1779 cc | 4942 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 150 HP | 129 HP |
| Torque | 210 Nm | 303 Nm |
| Engine Bore Size | 81 mm | 101.6 mm |
| Engine Stroke Size | 86.4 mm | 76.2 mm |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 4480 mm | 5400 mm |
| Vehicle Width | 1740 mm | 1980 mm |
| Vehicle Height | 1420 mm | 1390 mm |
| Wheelbase Size | 2610 mm | 2910 mm |
