2006 BMW Z4 vs. 1981 Audi 4000
To start off, 2006 BMW Z4 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 2,492 cc (6 cylinders), 2006 BMW Z4 is equipped with a bigger engine. In terms of performance, 2006 BMW Z4 (189 HP @ 6000 RPM) has 89 more horse power than 1981 Audi 4000. (100 HP @ 4250 RPM). In normal driving conditions, 2006 BMW Z4 should accelerate faster than 1981 Audi 4000.
Because 1981 Audi 4000 is four wheel drive (4WD), it will have significant more traction and grip than 2006 BMW Z4. 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, 2006 BMW Z4 (245 Nm) has 108 more torque (in Nm) than 1981 Audi 4000. (137 Nm). This means 2006 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 1981 Audi 4000. 1981 Audi 4000 has automatic transmission and 2006 BMW Z4 has manual transmission. 2006 BMW Z4 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:
| 2006 BMW Z4 | 1981 Audi 4000 | |
| Make | BMW | Audi |
| Model | Z4 | 4000 |
| Year Released | 2006 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 2144 cc |
| Engine Cylinders | 6 cylinders | 5 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 189 HP | 100 HP |
| Engine RPM | 6000 RPM | 4250 RPM |
| Torque | 245 Nm | 137 Nm |
| Engine Bore Size | 84 mm | 79.2 mm |
| Engine Stroke Size | 75 mm | 86.4 mm |
| Top Speed | 235 km/hour | 168 km/hour |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Length | 4100 mm | 4490 mm |
| Vehicle Width | 1790 mm | 1690 mm |
| Vehicle Height | 1310 mm | 1370 mm |
| Wheelbase Size | 2500 mm | 2550 mm |
