2009 Audi A4 vs. 1990 BMW Z1
To start off, 2009 Audi A4 is newer by 19 year(s). Which means there will be less support and parts availability for 1990 BMW Z1. In addition, the cost of maintenance, including insurance, on 1990 BMW Z1 would be higher. At 2,976 cc (6 cylinders), 2009 Audi A4 is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (217 HP @ 6300 RPM) has 42 more horse power than 1990 BMW Z1. (175 HP @ 5800 RPM). In normal driving conditions, 2009 Audi A4 should accelerate faster than 1990 BMW Z1. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A4 weights approximately 340 kg more than 1990 BMW Z1. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1990 BMW Z1 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 1990 BMW Z1. However, in wet, icy, snow, or gravel driving conditions, 2009 Audi A4, 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, 2009 Audi A4 (300 Nm @ 3200 RPM) has 70 more torque (in Nm) than 1990 BMW Z1. (230 Nm @ 4000 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1990 BMW Z1.
Compare all specifications:
| 2009 Audi A4 | 1990 BMW Z1 | |
| Make | Audi | BMW |
| Model | A4 | Z1 |
| Year Released | 2009 | 1990 |
| Body Type | Convertible | Roadster |
| Engine Position | Front | Front |
| Engine Size | 2976 cc | 2494 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 217 HP | 175 HP |
| Engine RPM | 6300 RPM | 5800 RPM |
| Torque | 300 Nm | 230 Nm |
| Torque RPM | 3200 RPM | 4000 RPM |
| Engine Bore Size | 82.6 mm | 82 mm |
| Engine Stroke Size | 92.8 mm | 78.8 mm |
| Engine Compression Ratio | 11.0:1 | 11.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 2 seats |
| Vehicle Weight | 1590 kg | 1250 kg |
| Vehicle Length | 4580 mm | 3960 mm |
| Vehicle Width | 1780 mm | 1810 mm |
| Vehicle Height | 1400 mm | 1280 mm |
| Wheelbase Size | 2660 mm | 2450 mm |
