2009 Audi A4 vs. 2008 BMW X3
To start off, 2009 Audi A4 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 BMW X3. In addition, the cost of maintenance, including insurance, on 2008 BMW X3 would be higher. At 2,979 cc, 2008 BMW X3 is equipped with a bigger engine. In terms of performance, 2008 BMW X3 (228 HP @ 5900 RPM) has 70 more horse power than 2009 Audi A4. (158 HP @ 4500 RPM) In normal driving conditions, 2008 BMW X3 should accelerate faster than 2009 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW X3 weights approximately 295 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 2008 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, 2008 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, 2008 BMW X3 (300 Nm @ 3500 RPM) has 50 more torque (in Nm) than 2009 Audi A4. (250 Nm @ 1500 RPM). This means 2008 BMW X3 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A4. 2008 BMW X3 has automatic transmission and 2009 Audi A4 has manual transmission. 2009 Audi A4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 BMW X3 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi A4 | 2008 BMW X3 | |
| Make | Audi | BMW |
| Model | A4 | X3 |
| Year Released | 2009 | 2008 |
| Body Type | Station Wagon | SUV |
| Engine Position | Front | Front |
| Engine Size | 1797 cc | 2979 cc |
| 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 Bore Size | 82.5 mm | 89.6 mm |
| Engine Stroke Size | 84.1 mm | 84 mm |
| Engine Compression Ratio | 9.6:1 | 10.2:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 218 km/hour | 210 km/hour |
| Acceleration 0-100mph | 8.9 seconds | 8.1 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1470 kg | 1765 kg |
| Vehicle Length | 4710 mm | 4570 mm |
| Vehicle Width | 1830 mm | 1860 mm |
| Vehicle Height | 1440 mm | 1680 mm |
| Wheelbase Size | 2810 mm | 2800 mm |
| Fuel Consumption Overall | 7.2 L/100km | 12.1 L/100km |
| Fuel Tank Capacity | 65 L | 67 L |
