1999 Audi A4 vs. 1979 Mercury Grand Marquis
To start off, 1999 Audi A4 is newer by 20 year(s). Which means there will be less support and parts availability for 1979 Mercury Grand Marquis. In addition, the cost of maintenance, including insurance, on 1979 Mercury Grand Marquis would be higher. At 4,186 cc (8 cylinders), 1979 Mercury Grand Marquis is equipped with a bigger engine. In terms of performance, 1999 Audi A4 (262 HP @ 5800 RPM) has 144 more horse power than 1979 Mercury Grand Marquis. (118 HP @ 3800 RPM). In normal driving conditions, 1999 Audi A4 should accelerate faster than 1979 Mercury Grand Marquis. With that said, vehicle weight also plays an important factor in acceleration. 1979 Mercury Grand Marquis weights approximately 280 kg more than 1999 Audi A4.
Because 1999 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 1979 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, 1999 Audi A4 (400 Nm @ 3600 RPM) has 138 more torque (in Nm) than 1979 Mercury Grand Marquis. (262 Nm @ 2200 RPM). This means 1999 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1979 Mercury Grand Marquis.
Compare all specifications:
| 1999 Audi A4 | 1979 Mercury Grand Marquis | |
| Make | Audi | Mercury |
| Model | A4 | Grand Marquis |
| Year Released | 1999 | 1979 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2671 cc | 4186 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 262 HP | 118 HP |
| Engine RPM | 5800 RPM | 3800 RPM |
| Torque | 400 Nm | 262 Nm |
| Torque RPM | 3600 RPM | 2200 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1400 kg | 1680 kg |
| Vehicle Length | 4480 mm | 5400 mm |
| Vehicle Width | 1740 mm | 1980 mm |
| Vehicle Height | 1420 mm | 1390 mm |
| Wheelbase Size | 2620 mm | 2910 mm |
