1975 Audi 80 vs. 2005 BMW Z4
To start off, 2005 BMW Z4 is newer by 30 year(s). Which means there will be less support and parts availability for 1975 Audi 80. In addition, the cost of maintenance, including insurance, on 1975 Audi 80 would be higher. At 2,171 cc (6 cylinders), 2005 BMW Z4 is equipped with a bigger engine. In terms of performance, 2005 BMW Z4 (168 HP @ 6250 RPM) has 58 more horse power than 1975 Audi 80. (110 HP @ 6100 RPM) In normal driving conditions, 2005 BMW Z4 should accelerate faster than 1975 Audi 80. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW Z4 weights approximately 413 kg more than 1975 Audi 80. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 BMW Z4 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2005 BMW Z4. However, in wet, icy, snow, or gravel driving conditions, 1975 Audi 80, being front wheel drive (FWD), will offer much better control with better grip. 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, 2005 BMW Z4 (210 Nm @ 3500 RPM) has 70 more torque (in Nm) than 1975 Audi 80. (140 Nm @ 5000 RPM). This means 2005 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 1975 Audi 80.
Compare all specifications:
| 1975 Audi 80 | 2005 BMW Z4 | |
| Make | Audi | BMW |
| Model | 80 | Z4 |
| Year Released | 1975 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 1588 cc | 2171 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 110 HP | 168 HP |
| Engine RPM | 6100 RPM | 6250 RPM |
| Torque | 140 Nm | 210 Nm |
| Torque RPM | 5000 RPM | 3500 RPM |
| Engine Bore Size | 79.5 mm | 80 mm |
| Engine Stroke Size | 80 mm | 72 mm |
| Engine Compression Ratio | 9.2:1 | 10.8:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 912 kg | 1325 kg |
| Vehicle Length | 4390 mm | 4100 mm |
| Vehicle Width | 1690 mm | 1790 mm |
| Vehicle Height | 1370 mm | 1310 mm |
| Wheelbase Size | 2550 mm | 2500 mm |
| Fuel Tank Capacity | 60 L | 55 L |
