2009 Audi A3 vs. 2008 BMW X5
To start off, 2009 Audi A3 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 BMW X5. In addition, the cost of maintenance, including insurance, on 2008 BMW X5 would be higher. At 4,799 cc (8 cylinders), 2008 BMW X5 is equipped with a bigger engine. In terms of performance, 2008 BMW X5 (350 HP @ 6300 RPM) has 212 more horse power than 2009 Audi A3. (138 HP @ 4000 RPM) In normal driving conditions, 2008 BMW X5 should accelerate faster than 2009 Audi A3. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW X5 weights approximately 624 kg more than 2009 Audi A3. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 2009 Audi A3. In wet, icy, snow, or gravel driving conditions, 2008 BMW X5 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 X5 (475 Nm @ 3400 RPM) has 155 more torque (in Nm) than 2009 Audi A3. (320 Nm @ 1750 RPM). This means 2008 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A3.
Compare all specifications:
| 2009 Audi A3 | 2008 BMW X5 | |
| Make | Audi | BMW |
| Model | A3 | X5 |
| Year Released | 2009 | 2008 |
| Body Type | Hatchback | SUV |
| Engine Position | Front | Front |
| Engine Size | 1968 cc | 4799 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 138 HP | 350 HP |
| Engine RPM | 4000 RPM | 6300 RPM |
| Torque | 320 Nm | 475 Nm |
| Torque RPM | 1750 RPM | 3400 RPM |
| Engine Bore Size | 81 mm | 93 mm |
| Engine Stroke Size | 95.5 mm | 88.3 mm |
| Engine Compression Ratio | 18.0:1 | 10.5:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 207 km/hour | 242 km/hour |
| Acceleration 0-100mph | 9 seconds | 6.5 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 930 kg | 1554 kg |
| Vehicle Length | 4210 mm | 4860 mm |
| Vehicle Width | 1770 mm | 1940 mm |
| Vehicle Height | 1430 mm | 1740 mm |
| Wheelbase Size | 2580 mm | 2940 mm |
| Fuel Consumption Overall | 6.8 L/100km | 12.5 L/100km |
| Fuel Tank Capacity | 55 L | 85 L |
