1998 Audi A8 vs. 1981 Audi 4000
To start off, 1998 Audi A8 is newer by 17 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 4,172 cc (8 cylinders), 1998 Audi A8 is equipped with a bigger engine. In terms of performance, 1998 Audi A8 (300 HP) has 200 more horse power than 1981 Audi 4000. (100 HP). In normal driving conditions, 1998 Audi A8 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, 1998 Audi A8 (400 Nm) has 263 more torque (in Nm) than 1981 Audi 4000. (137 Nm). This means 1998 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 1981 Audi 4000.
Compare all specifications:
| 1998 Audi A8 | 1981 Audi 4000 | |
| Make | Audi | Audi |
| Model | A8 | 4000 |
| Year Released | 1998 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 2144 cc |
| Engine Cylinders | 8 cylinders | 5 cylinders |
| Engine Type | V | in-line |
| Horse Power | 300 HP | 100 HP |
| Torque | 400 Nm | 137 Nm |
| Engine Bore Size | 84.6 mm | 79.2 mm |
| Engine Stroke Size | 93 mm | 86.4 mm |
| Top Speed | 250 km/hour | 168 km/hour |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Length | 5040 mm | 4490 mm |
| Vehicle Width | 1890 mm | 1690 mm |
| Vehicle Height | 1450 mm | 1370 mm |
| Wheelbase Size | 2890 mm | 2550 mm |
