2004 Audi S4 vs. 2007 BMW X3
To start off, 2007 BMW X3 is newer by 3 year(s). Which means there will be less support and parts availability for 2004 Audi S4. In addition, the cost of maintenance, including insurance, on 2004 Audi S4 would be higher. 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 79 more horse power than 2007 BMW X3. (260 HP @ 6600 RPM). In normal driving conditions, 2004 Audi S4 should accelerate faster than 2007 BMW X3.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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 105 more torque (in Nm) than 2007 BMW X3. (305 Nm @ 2750 RPM). This means 2004 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW X3. 2007 BMW X3 has automatic transmission and 2004 Audi S4 has manual transmission. 2004 Audi S4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 BMW X3 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 Audi S4 | 2007 BMW X3 | |
| Make | Audi | BMW |
| Model | S4 | X3 |
| Year Released | 2004 | 2007 |
| Body Type | Station Wagon | SUV |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 2979 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 339 HP | 260 HP |
| Engine RPM | 7000 RPM | 6600 RPM |
| Torque | 410 Nm | 305 Nm |
| Torque RPM | 3500 RPM | 2750 RPM |
| Engine Bore Size | 84.5 mm | 85.1 mm |
| Engine Stroke Size | 92.8 mm | 87.9 mm |
| Engine Compression Ratio | 11.0:1 | 10.7:1 |
| Top Speed | 250 km/hour | 209 km/hour |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Doors | 5 doors | 5 doors |
