2004 Audi S4 vs. 2004 BMW Z4
To start off, both 2004 Audi S4 and 2004 BMW Z4 were released in the same year (2004). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 4,172 cc (8 cylinders), 2004 Audi S4 is equipped with a bigger engine. In terms of performance, 2004 Audi S4 (339 HP @ 7000 RPM) has 171 more horse power than 2004 BMW Z4. (168 HP @ 6250 RPM). In normal driving conditions, 2004 Audi S4 should accelerate faster than 2004 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi S4 weights approximately 395 kg more than 2004 BMW Z4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 Audi S4 is four wheel drive (4WD), it will have significant more traction and grip than 2004 BMW Z4. 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, 2004 Audi S4 (410 Nm @ 3500 RPM) has 200 more torque (in Nm) than 2004 BMW Z4. (210 Nm @ 3500 RPM). This means 2004 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2004 BMW Z4.
Compare all specifications:
| 2004 Audi S4 | 2004 BMW Z4 | |
| Make | Audi | BMW |
| Model | S4 | Z4 |
| Year Released | 2004 | 2004 |
| Body Type | Station Wagon | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 2171 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 339 HP | 168 HP |
| Engine RPM | 7000 RPM | 6250 RPM |
| Torque | 410 Nm | 210 Nm |
| Torque RPM | 3500 RPM | 3500 RPM |
| Engine Compression Ratio | 11.0:1 | 10.8:1 |
| Top Speed | 250 km/hour | 220 km/hour |
| Acceleration 0-100mph | 5.8 seconds | 7.7 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1720 kg | 1325 kg |
| Vehicle Length | 4590 mm | 4100 mm |
| Vehicle Width | 1780 mm | 1790 mm |
| Vehicle Height | 1430 mm | 1310 mm |
| Wheelbase Size | 2470 mm | 2500 mm |
| Fuel Consumption Overall | 13.4 L/100km | 8.9 L/100km |
| Fuel Tank Capacity | 63 L | 55 L |
