2006 Audi A4 vs. 1990 BMW Z1
To start off, 2006 Audi A4 is newer by 16 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 3,123 cc (6 cylinders), 2006 Audi A4 is equipped with a bigger engine. In terms of performance, 2006 Audi A4 (252 HP @ 6500 RPM) has 77 more horse power than 1990 BMW Z1. (175 HP @ 5800 RPM). In normal driving conditions, 2006 Audi A4 should accelerate faster than 1990 BMW Z1. With that said, vehicle weight also plays an important factor in acceleration. 2006 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 2006 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 1990 BMW Z1. In wet, icy, snow, or gravel driving conditions, 2006 Audi A4 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 Audi A4 (330 Nm @ 3250 RPM) has 100 more torque (in Nm) than 1990 BMW Z1. (230 Nm @ 4000 RPM). This means 2006 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1990 BMW Z1.
Compare all specifications:
| 2006 Audi A4 | 1990 BMW Z1 | |
| Make | Audi | BMW |
| Model | A4 | Z1 |
| Year Released | 2006 | 1990 |
| Body Type | Station Wagon | Roadster |
| Engine Position | Front | Front |
| Engine Size | 3123 cc | 2494 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 252 HP | 175 HP |
| Engine RPM | 6500 RPM | 5800 RPM |
| Torque | 330 Nm | 230 Nm |
| Torque RPM | 3250 RPM | 4000 RPM |
| Engine Bore Size | 84.5 mm | 82 mm |
| Engine Stroke Size | 92.8 mm | 78.8 mm |
| Engine Compression Ratio | 12.5:1 | 11.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 2 seats |
| Vehicle Weight | 1590 kg | 1250 kg |
| Vehicle Length | 4590 mm | 3960 mm |
| Vehicle Width | 1780 mm | 1810 mm |
| Vehicle Height | 1430 mm | 1280 mm |
| Wheelbase Size | 2650 mm | 2450 mm |
