1978 BMW B7 vs. 1981 Audi 4000
To start off, 1981 Audi 4000 is newer by 3 year(s). Which means there will be less support and parts availability for 1978 BMW B7. In addition, the cost of maintenance, including insurance, on 1978 BMW B7 would be higher. At 3,500 cc (6 cylinders), 1978 BMW B7 is equipped with a bigger engine.
Because 1981 Audi 4000 is four wheel drive (4WD), it will have significant more traction and grip than 1978 BMW B7. In wet, icy, snow, or gravel driving conditions, 1981 Audi 4000 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 BMW B7 (627 Nm) has 490 more torque (in Nm) than 1981 Audi 4000. (137 Nm). This means 1978 BMW B7 will have an easier job in driving up hills or pulling heavy equipment than 1981 Audi 4000. 1981 Audi 4000 has automatic transmission and 1978 BMW B7 has manual transmission. 1978 BMW B7 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1981 Audi 4000 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1978 BMW B7 | 1981 Audi 4000 | |
| Make | BMW | Audi |
| Model | B7 | 4000 |
| Year Released | 1978 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 3500 cc | 2144 cc |
| Engine Cylinders | 6 cylinders | 5 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 0 HP | 100 HP |
| Torque | 627 Nm | 137 Nm |
| Top Speed | 262 km/hour | 168 km/hour |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Wheelbase Size | 2800 mm | 2550 mm |
