2007 BMW X3 vs. 2006 Audi S4
To start off, 2007 BMW X3 is newer by 1 year(s). Which means there will be less support and parts availability for 2006 Audi S4. In addition, the cost of maintenance, including insurance, on 2006 Audi S4 would be higher. At 4,163 cc (8 cylinders), 2006 Audi S4 is equipped with a bigger engine. In terms of performance, 2006 Audi S4 (339 HP @ 7000 RPM) has 71 more horse power than 2007 BMW X3. (268 HP @ 6600 RPM) In normal driving conditions, 2006 Audi S4 should accelerate faster than 2007 BMW X3. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW X3 weights approximately 540 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, 2006 Audi S4 (411 Nm @ 3500 RPM) has 96 more torque (in Nm) than 2007 BMW X3. (315 Nm @ 2750 RPM). This means 2006 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW X3.
Compare all specifications:
| 2007 BMW X3 | 2006 Audi S4 | |
| Make | BMW | Audi |
| Model | X3 | S4 |
| Year Released | 2007 | 2006 |
| Body Type | SUV | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2996 cc | 4163 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 268 HP | 339 HP |
| Engine RPM | 6600 RPM | 7000 RPM |
| Torque | 315 Nm | 411 Nm |
| Torque RPM | 2750 RPM | 3500 RPM |
| Engine Bore Size | 85 mm | 84.5 mm |
| Engine Stroke Size | 88 mm | 92.8 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 210 km/hour | 250 km/hour |
| Acceleration 0-100mph | 7.8 seconds | 5.9 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1815 kg | 1275 kg |
| Vehicle Length | 4570 mm | 4580 mm |
| Vehicle Width | 1680 mm | 1790 mm |
| Vehicle Height | 1860 mm | 1450 mm |
| Wheelbase Size | 2800 mm | 2660 mm |
| Fuel Consumption Overall | 10.3 L/100km | 13.8 L/100km |
| Fuel Tank Capacity | 67 L | 63 L |
