2005 Audi A4 vs. 2012 BMW X3
To start off, 2012 BMW X3 is newer by 7 year(s). Which means there will be less support and parts availability for 2005 Audi A4. In addition, the cost of maintenance, including insurance, on 2005 Audi A4 would be higher. At 2,993 cc (6 cylinders), 2012 BMW X3 is equipped with a bigger engine. In terms of performance, 2012 BMW X3 (311 HP @ 3300 RPM) has 150 more horse power than 2005 Audi A4. (161 HP @ 5700 RPM) In normal driving conditions, 2012 BMW X3 should accelerate faster than 2005 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2012 BMW X3 weights approximately 335 kg more than 2005 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2012 BMW X3 (630 Nm @ 2000 RPM) has 405 more torque (in Nm) than 2005 Audi A4. (225 Nm @ 1950 RPM). This means 2012 BMW X3 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A4.
Compare all specifications:
| 2005 Audi A4 | 2012 BMW X3 | |
| Make | Audi | BMW |
| Model | A4 | X3 |
| Year Released | 2005 | 2012 |
| Body Type | Convertible | SUV |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 2993 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 161 HP | 311 HP |
| Engine RPM | 5700 RPM | 3300 RPM |
| Torque | 225 Nm | 630 Nm |
| Torque RPM | 1950 RPM | 2000 RPM |
| Engine Bore Size | 81 mm | 90 mm |
| Engine Stroke Size | 86.4 mm | 84 mm |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 222 km/hour | 240 km/hour |
| Acceleration 0-100mph | 9.5 seconds | 5.8 seconds |
| Drive Type | 4WD | AWD |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1590 kg | 1925 kg |
| Vehicle Length | 4580 mm | 4648 mm |
| Vehicle Width | 1780 mm | 1881 mm |
| Vehicle Height | 1400 mm | 1675 mm |
| Wheelbase Size | 2660 mm | 2810 mm |
| Fuel Consumption Overall | 9.4 L/100km | 6.1 L/100km |
| Fuel Tank Capacity | 66 L | 67 L |
