2009 Audi A4 vs. 2005 BMW X3
To start off, 2009 Audi A4 is newer by 4 year(s). Which means there will be less support and parts availability for 2005 BMW X3. In addition, the cost of maintenance, including insurance, on 2005 BMW X3 would be higher. At 2,983 cc (6 cylinders), 2005 BMW X3 is equipped with a bigger engine. In terms of performance, 2005 BMW X3 (228 HP @ 5900 RPM) has 70 more horse power than 2009 Audi A4. (158 HP @ 4500 RPM) In normal driving conditions, 2005 BMW X3 should accelerate faster than 2009 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW X3 weights approximately 905 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 2005 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, 2005 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, 2005 BMW X3 (300 Nm @ 3500 RPM) has 50 more torque (in Nm) than 2009 Audi A4. (250 Nm @ 1500 RPM). This means 2005 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 | 2005 BMW X3 | |
| Make | Audi | BMW |
| Model | A4 | X3 |
| Year Released | 2009 | 2005 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 1798 cc | 2983 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 158 HP | 228 HP |
| Engine RPM | 4500 RPM | 5900 RPM |
| Torque | 250 Nm | 300 Nm |
| Torque RPM | 1500 RPM | 3500 RPM |
| Engine Compression Ratio | 9.6:1 | 10.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 218 km/hour | 205 km/hour |
| Acceleration 0-100mph | 8.9 seconds | 7.8 seconds |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 930 kg | 1835 kg |
| Vehicle Length | 4710 mm | 4570 mm |
| Vehicle Width | 2010 mm | 1860 mm |
| Vehicle Height | 1430 mm | 1680 mm |
| Wheelbase Size | 2810 mm | 2730 mm |
| Fuel Consumption Overall | 7.4 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 65 L | 67 L |
