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, 2009 Audi A4 (197 HP @ 5100 RPM) has 48 more horse power than 2007 BMW X3. (149 HP @ 4000 RPM). In normal driving conditions, 2009 Audi A4 should accelerate faster than 2007 BMW X3. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW X3 weights approximately 810 kg more than 2009 Audi A4.
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 50 more torque (in Nm) than 2009 Audi A4. (280 Nm @ 1800 RPM). This means 2007 BMW X3 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A4. 2009 Audi A4 has automatic transmission and 2007 BMW X3 has manual transmission. 2007 BMW X3 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Audi A4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi A4 | 2007 BMW X3 | |
| Make | Audi | BMW |
| Model | A4 | X3 |
| Year Released | 2009 | 2007 |
| Body Type | Convertible | SUV |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 1995 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 197 HP | 149 HP |
| Engine RPM | 5100 RPM | 4000 RPM |
| Torque | 280 Nm | 330 Nm |
| Torque RPM | 1800 RPM | 2000 RPM |
| Engine Compression Ratio | 10.5:1 | 17.0:1 |
| Fuel Type | Gasoline | Diesel |
| Top Speed | 233 km/hour | 215 km/hour |
| Acceleration 0-100mph | 7.9 seconds | 9.1 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 930 kg | 1740 kg |
| Vehicle Length | 4580 mm | 4570 mm |
| Vehicle Width | 1400 mm | 1680 mm |
| Vehicle Height | 1780 mm | 1860 mm |
| Wheelbase Size | 2660 mm | 2800 mm |
| Fuel Consumption Overall | 8.3 L/100km | 6.5 L/100km |
| Fuel Tank Capacity | 70 L | 67 L |
