2006 Audi A4 vs. 1981 Audi 4000
To start off, 2006 Audi A4 is newer by 25 year(s). Which means there will be less support and parts availability for 1981 Audi 4000. In addition, the cost of maintenance, including insurance, on 1981 Audi 4000 would be higher. At 2,144 cc (5 cylinders), 1981 Audi 4000 is equipped with a bigger engine. In terms of performance, 2006 Audi A4 (170 HP @ 5900 RPM) has 70 more horse power than 1981 Audi 4000. (100 HP @ 4250 RPM). In normal driving conditions, 2006 Audi A4 should accelerate faster than 1981 Audi 4000.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or 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, 2006 Audi A4 (226 Nm) has 89 more torque (in Nm) than 1981 Audi 4000. (137 Nm). This means 2006 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1981 Audi 4000.
Compare all specifications:
| 2006 Audi A4 | 1981 Audi 4000 | |
| Make | Audi | Audi |
| Model | A4 | 4000 |
| Year Released | 2006 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 1786 cc | 2144 cc |
| Engine Cylinders | 4 cylinders | 5 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 170 HP | 100 HP |
| Engine RPM | 5900 RPM | 4250 RPM |
| Torque | 226 Nm | 137 Nm |
| Engine Bore Size | 81 mm | 79.2 mm |
| Engine Stroke Size | 86.4 mm | 86.4 mm |
| Top Speed | 226 km/hour | 168 km/hour |
| Drive Type | 4WD | 4WD |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Length | 4580 mm | 4490 mm |
| Vehicle Width | 1780 mm | 1690 mm |
| Vehicle Height | 1400 mm | 1370 mm |
| Wheelbase Size | 2660 mm | 2550 mm |
