2004 Audi A4 vs. 2000 BMW Z9
To start off, 2004 Audi A4 is newer by 4 year(s). Which means there will be less support and parts availability for 2000 BMW Z9. In addition, the cost of maintenance, including insurance, on 2000 BMW Z9 would be higher. At 4,398 cc (8 cylinders), 2000 BMW Z9 is equipped with a bigger engine. In terms of performance, 2000 BMW Z9 (282 HP @ 5400 RPM) has 30 more horse power than 2004 Audi A4. (252 HP @ 6500 RPM) In normal driving conditions, 2000 BMW Z9 should accelerate faster than 2004 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2000 BMW Z9 weights approximately 56 kg more than 2004 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2000 BMW Z9. In wet, icy, snow, or gravel driving conditions, 2004 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, 2000 BMW Z9 (440 Nm @ 3600 RPM) has 110 more torque (in Nm) than 2004 Audi A4. (330 Nm @ 3250 RPM). This means 2000 BMW Z9 will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi A4.
Compare all specifications:
| 2004 Audi A4 | 2000 BMW Z9 | |
| Make | Audi | BMW |
| Model | A4 | Z9 |
| Year Released | 2004 | 2000 |
| Body Type | Station Wagon | Convertible |
| Engine Position | Front | Front |
| Engine Size | 3122 cc | 4398 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 252 HP | 282 HP |
| Engine RPM | 6500 RPM | 5400 RPM |
| Torque | 330 Nm | 440 Nm |
| Torque RPM | 3250 RPM | 3600 RPM |
| Engine Bore Size | 84.5 mm | 92 mm |
| Engine Stroke Size | 92.8 mm | 82.7 mm |
| Engine Compression Ratio | 12.5:1 | 10.0:1 |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1630 kg | 1686 kg |
| Vehicle Length | 4590 mm | 4770 mm |
| Vehicle Width | 1780 mm | 1980 mm |
| Vehicle Height | 1430 mm | 1290 mm |
| Wheelbase Size | 2430 mm | 2960 mm |
