2009 Audi A4 vs. 2007 BMW X3
To start off, 2009 Audi A4 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 BMW X3. In addition, the cost of maintenance, including insurance, on 2007 BMW X3 would be higher. At 1,995 cc (4 cylinders), 2007 BMW X3 is equipped with a bigger engine. In terms of performance, 2007 BMW X3 (148 HP @ 4000 RPM) has 7 more horse power than 2009 Audi A4. (141 HP @ 4200 RPM) In normal driving conditions, 2007 BMW X3 should accelerate faster than 2009 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW X3 weights approximately 220 kg more than 2009 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 BMW X3 is four wheel drive (4WD), it will have significant more traction and grip than 2009 Audi A4. In wet, icy, snow, or gravel driving conditions, 2007 BMW X3 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, 2007 BMW X3 (330 Nm @ 2000 RPM) has 10 more torque (in Nm) than 2009 Audi A4. (320 Nm @ 1750 RPM). This means 2007 BMW X3 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A4.
Compare all specifications:
| 2009 Audi A4 | 2007 BMW X3 | |
| Make | Audi | BMW |
| Model | A4 | X3 |
| Year Released | 2009 | 2007 |
| Body Type | Station Wagon | SUV |
| Engine Position | Front | Front |
| Engine Size | 1968 cc | 1995 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 141 HP | 148 HP |
| Engine RPM | 4200 RPM | 4000 RPM |
| Torque | 320 Nm | 330 Nm |
| Torque RPM | 1750 RPM | 2000 RPM |
| Engine Compression Ratio | 16.5:1 | 17.0:1 |
| Fuel Type | Diesel | Diesel |
| Top Speed | 203 km/hour | 215 km/hour |
| Acceleration 0-100mph | 9.7 seconds | 9.1 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1520 kg | 1740 kg |
| Vehicle Length | 4710 mm | 4570 mm |
| Vehicle Width | 1830 mm | 1680 mm |
| Vehicle Height | 1440 mm | 1860 mm |
| Wheelbase Size | 2810 mm | 2800 mm |
| Fuel Consumption Overall | 5.7 L/100km | 6.5 L/100km |
| Fuel Tank Capacity | 70 L | 67 L |
