2004 Audi S4 vs. 2000 BMW Z9
To start off, 2004 Audi S4 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, 2004 Audi S4 (339 HP @ 7000 RPM) has 57 more horse power than 2000 BMW Z9. (282 HP @ 5400 RPM). In normal driving conditions, 2004 Audi S4 should accelerate faster than 2000 BMW Z9.
Because 2004 Audi S4 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 S4 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 30 more torque (in Nm) than 2004 Audi S4. (410 Nm @ 3500 RPM). This means 2000 BMW Z9 will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi S4. 2004 Audi S4 has automatic transmission and 2000 BMW Z9 has manual transmission. 2000 BMW Z9 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2004 Audi S4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 Audi S4 | 2000 BMW Z9 | |
| Make | Audi | BMW |
| Model | S4 | Z9 |
| Year Released | 2004 | 2000 |
| Body Type | Station Wagon | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4170 cc | 4398 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 339 HP | 282 HP |
| Engine RPM | 7000 RPM | 5400 RPM |
| Torque | 410 Nm | 440 Nm |
| Torque RPM | 3500 RPM | 3600 RPM |
| Engine Bore Size | 84.5 mm | 92 mm |
| Engine Stroke Size | 92.8 mm | 82.7 mm |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 2 seats |
| Vehicle Length | 4590 mm | 5010 mm |
| Vehicle Width | 1780 mm | 2010 mm |
| Vehicle Height | 1430 mm | 1360 mm |
| Wheelbase Size | 2430 mm | 3110 mm |
