2009 Audi A4 vs. 1984 Audi Coupe
To start off, 2009 Audi A4 is newer by 25 year(s). Which means there will be less support and parts availability for 1984 Audi Coupe. In addition, the cost of maintenance, including insurance, on 1984 Audi Coupe would be higher. At 1,798 cc (4 cylinders), 2009 Audi A4 is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (158 HP @ 4500 RPM) has 68 more horse power than 1984 Audi Coupe. (90 HP @ 5200 RPM). In normal driving conditions, 2009 Audi A4 should accelerate faster than 1984 Audi Coupe. With that said, vehicle weight also plays an important factor in acceleration. 1984 Audi Coupe weights approximately 55 kg more than 2009 Audi A4.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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, 2009 Audi A4 (250 Nm @ 1500 RPM) has 105 more torque (in Nm) than 1984 Audi Coupe. (145 Nm @ 3300 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1984 Audi Coupe.
Compare all specifications:
| 2009 Audi A4 | 1984 Audi Coupe | |
| Make | Audi | Audi |
| Model | A4 | Coupe |
| Year Released | 2009 | 1984 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1798 cc | 1779 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 158 HP | 90 HP |
| Engine RPM | 4500 RPM | 5200 RPM |
| Torque | 250 Nm | 145 Nm |
| Torque RPM | 1500 RPM | 3300 RPM |
| Engine Bore Size | 82.5 mm | 81 mm |
| Engine Stroke Size | 84.1 mm | 86.4 mm |
| Engine Compression Ratio | 9.6:1 | 10.0:1 |
| Top Speed | 225 km/hour | 174 km/hour |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 895 kg | 950 kg |
| Vehicle Length | 4710 mm | 4360 mm |
| Vehicle Width | 2010 mm | 1690 mm |
| Vehicle Height | 1430 mm | 1360 mm |
| Wheelbase Size | 2810 mm | 2550 mm |
