2006 Audi A3 vs. 2005 BMW X3
To start off, 2006 Audi A3 is newer by 1 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 2,977 cc (6 cylinders), 2005 BMW X3 is equipped with a bigger engine. In terms of performance, 2005 BMW X3 (184 HP @ 4000 RPM) has 46 more horse power than 2006 Audi A3. (138 HP @ 4000 RPM) In normal driving conditions, 2005 BMW X3 should accelerate faster than 2006 Audi A3. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW X3 weights approximately 545 kg more than 2006 Audi A3. 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 2006 Audi A3. 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 (420 Nm @ 1500 RPM) has 100 more torque (in Nm) than 2006 Audi A3. (320 Nm @ 1750 RPM). This means 2005 BMW X3 will have an easier job in driving up hills or pulling heavy equipment than 2006 Audi A3.
Compare all specifications:
| 2006 Audi A3 | 2005 BMW X3 | |
| Make | Audi | BMW |
| Model | A3 | X3 |
| Year Released | 2006 | 2005 |
| Body Type | Hatchback | SUV |
| Engine Position | Front | Front |
| Engine Size | 1968 cc | 2977 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 138 HP | 184 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 320 Nm | 420 Nm |
| Torque RPM | 1750 RPM | 1500 RPM |
| Engine Bore Size | 81 mm | 84 mm |
| Engine Stroke Size | 95.5 mm | 90 mm |
| Engine Compression Ratio | 18.0:1 | 17.0:1 |
| Fuel Type | Diesel | Diesel |
| Top Speed | 207 km/hour | 210 km/hour |
| Acceleration 0-100mph | 9.7 seconds | 7.9 seconds |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1380 kg | 1925 kg |
| Vehicle Length | 4290 mm | 4570 mm |
| Vehicle Width | 1770 mm | 1860 mm |
| Vehicle Height | 1430 mm | 1680 mm |
| Wheelbase Size | 2580 mm | 2830 mm |
| Fuel Consumption Overall | 5.7 L/100km | 8.4 L/100km |
| Fuel Tank Capacity | 55 L | 67 L |
