2004 Audi S4 vs. 2007 BMW X5
To start off, 2007 BMW X5 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 4,170 cc (8 cylinders), 2004 Audi S4 is equipped with a bigger engine. In terms of performance, 2004 Audi S4 (339 HP @ 7000 RPM) has 111 more horse power than 2007 BMW X5. (228 HP @ 5900 RPM). In normal driving conditions, 2004 Audi S4 should accelerate faster than 2007 BMW X5. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW X5 weights approximately 349 kg more than 2004 Audi S4.
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 110 more torque (in Nm) than 2007 BMW X5. (300 Nm @ 3500 RPM). This means 2004 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW X5.
Compare all specifications:
| 2004 Audi S4 | 2007 BMW X5 | |
| Make | Audi | BMW |
| Model | S4 | X5 |
| Year Released | 2004 | 2007 |
| Body Type | Station Wagon | SUV |
| Engine Position | Front | Front |
| Engine Size | 4170 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 | 228 HP |
| Engine RPM | 7000 RPM | 5900 RPM |
| Torque | 410 Nm | 300 Nm |
| Torque RPM | 3500 RPM | 3500 RPM |
| Engine Bore Size | 84.5 mm | 84.1 mm |
| Engine Stroke Size | 92.8 mm | 89.6 mm |
| Engine Compression Ratio | 11.0:1 | 10.2:1 |
| Acceleration 0-100mph | 5.9 seconds | 10 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1755 kg | 2104 kg |
| Vehicle Length | 4590 mm | 4670 mm |
| Vehicle Width | 1780 mm | 1710 mm |
| Vehicle Height | 1430 mm | 1880 mm |
| Wheelbase Size | 2430 mm | 2830 mm |
| Fuel Consumption Overall | 12.3 L/100km | 14.5 L/100km |
| Fuel Tank Capacity | 63 L | 85 L |
