2001 BMW X5 vs. 2006 Audi S4
To start off, 2006 Audi S4 is newer by 5 year(s). Which means there will be less support and parts availability for 2001 BMW X5. In addition, the cost of maintenance, including insurance, on 2001 BMW X5 would be higher. At 4,619 cc (8 cylinders), 2001 BMW X5 is equipped with a bigger engine. In terms of performance, 2006 Audi S4 (339 HP @ 7000 RPM) has 10 more horse power than 2001 BMW X5. (329 HP @ 5700 RPM) In normal driving conditions, 2006 Audi S4 should accelerate faster than 2001 BMW X5. With that said, vehicle weight also plays an important factor in acceleration. 2001 BMW X5 weights approximately 445 kg more than 2006 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, 2001 BMW X5 (480 Nm @ 3700 RPM) has 70 more torque (in Nm) than 2006 Audi S4. (410 Nm @ 3500 RPM). This means 2001 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 2006 Audi S4.
Compare all specifications:
| 2001 BMW X5 | 2006 Audi S4 | |
| Make | BMW | Audi |
| Model | X5 | S4 |
| Year Released | 2001 | 2006 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4619 cc | 4162 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 329 HP | 339 HP |
| Engine RPM | 5700 RPM | 7000 RPM |
| Torque | 480 Nm | 410 Nm |
| Torque RPM | 3700 RPM | 3500 RPM |
| Engine Bore Size | 93 mm | 84.5 mm |
| Engine Stroke Size | 85 mm | 92.8 mm |
| Engine Compression Ratio | 10.5:1 | 11.0:1 |
| Top Speed | 240 km/hour | 250 km/hour |
| Acceleration 0-100mph | 6.5 seconds | 5.6 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 2180 kg | 1735 kg |
| Vehicle Length | 4670 mm | 4580 mm |
| Vehicle Width | 1880 mm | 1790 mm |
| Vehicle Height | 1710 mm | 1420 mm |
| Wheelbase Size | 2830 mm | 2660 mm |
| Fuel Consumption Overall | 14.9 L/100km | 13.4 L/100km |
| Fuel Tank Capacity | 93 L | 63 L |
