1981 Audi 80 vs. 2007 BMW Z4
To start off, 2007 BMW Z4 is newer by 26 year(s). Which means there will be less support and parts availability for 1981 Audi 80. In addition, the cost of maintenance, including insurance, on 1981 Audi 80 would be higher. At 2,497 cc (6 cylinders), 2007 BMW Z4 is equipped with a bigger engine. In terms of performance, 2007 BMW Z4 (215 HP @ 6500 RPM) has 79 more horse power than 1981 Audi 80. (136 HP @ 5900 RPM) In normal driving conditions, 2007 BMW Z4 should accelerate faster than 1981 Audi 80. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW Z4 weights approximately 172 kg more than 1981 Audi 80. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1981 Audi 80 is four wheel drive (4WD), it will have significant more traction and grip than 2007 BMW Z4. In wet, icy, snow, or gravel driving conditions, 1981 Audi 80 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, 2007 BMW Z4 (250 Nm @ 2750 RPM) has 74 more torque (in Nm) than 1981 Audi 80. (176 Nm @ 4500 RPM). This means 2007 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 1981 Audi 80.
Compare all specifications:
| 1981 Audi 80 | 2007 BMW Z4 | |
| Make | Audi | BMW |
| Model | 80 | Z4 |
| Year Released | 1981 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 2144 cc | 2497 cc |
| Engine Cylinders | 5 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 136 HP | 215 HP |
| Engine RPM | 5900 RPM | 6500 RPM |
| Torque | 176 Nm | 250 Nm |
| Torque RPM | 4500 RPM | 2750 RPM |
| Engine Bore Size | 79.5 mm | 82 mm |
| Engine Stroke Size | 86.4 mm | 78.8 mm |
| Engine Compression Ratio | 9.3:1 | 11.0:1 |
| Top Speed | 193 km/hour | 240 km/hour |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1190 kg | 1362 kg |
| Vehicle Length | 4390 mm | 4100 mm |
| Vehicle Width | 1690 mm | 1310 mm |
| Vehicle Height | 1360 mm | 1790 mm |
| Wheelbase Size | 2550 mm | 2500 mm |
