2009 BMW X3 vs. 2007 Audi A4
To start off, 2009 BMW X3 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Audi A4. In addition, the cost of maintenance, including insurance, on 2007 Audi A4 would be higher. At 2,494 cc (6 cylinders), 2009 BMW X3 is equipped with a bigger engine. In terms of performance, 2007 Audi A4 (197 HP @ 5100 RPM) has 8 more horse power than 2009 BMW X3. (189 HP @ 6000 RPM) In normal driving conditions, 2007 Audi A4 should accelerate faster than 2009 BMW X3. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW X3 weights approximately 321 kg more than 2007 Audi A4.
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, 2007 Audi A4 (280 Nm @ 1800 RPM) has 35 more torque (in Nm) than 2009 BMW X3. (245 Nm @ 3500 RPM). This means 2007 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW X3.
Compare all specifications:
| 2009 BMW X3 | 2007 Audi A4 | |
| Make | BMW | Audi |
| Model | X3 | A4 |
| Year Released | 2009 | 2007 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2494 cc | 1984 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 189 HP | 197 HP |
| Engine RPM | 6000 RPM | 5100 RPM |
| Torque | 245 Nm | 280 Nm |
| Torque RPM | 3500 RPM | 1800 RPM |
| Engine Bore Size | 84.1 mm | 82.5 mm |
| Engine Stroke Size | 75 mm | 92.8 mm |
| Engine Compression Ratio | 11.0:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Acceleration 0-100mph | 8.9 seconds | 7.2 seconds |
| Drive Type | 4WD | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1815 kg | 1494 kg |
| Vehicle Length | 4570 mm | 4550 mm |
| Vehicle Width | 1860 mm | 1780 mm |
| Vehicle Height | 1680 mm | 1430 mm |
| Wheelbase Size | 2800 mm | 2650 mm |
| Fuel Consumption Overall | 11.2 L/100km | 8.8 L/100km |
| Fuel Tank Capacity | 67 L | 63 L |
