2006 Audi A4 vs. 2008 BMW 540
To start off, 2008 BMW 540 is newer by 2 year(s). Which means there will be less support and parts availability for 2006 Audi A4. In addition, the cost of maintenance, including insurance, on 2006 Audi A4 would be higher. At 4,398 cc, 2008 BMW 540 is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW 540 weights approximately 105 kg more than 2006 Audi A4.
Because 2008 BMW 540 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2008 BMW 540. However, in wet, icy, snow, or gravel driving conditions, 2006 Audi A4, being front wheel drive (FWD), will offer much better control with better grip. 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 540 (440 Nm @ 3600 RPM) has 210 more torque (in Nm) than 2006 Audi A4. (230 Nm @ 3200 RPM). This means 2008 BMW 540 will have an easier job in driving up hills or pulling heavy equipment than 2006 Audi A4.
Compare all specifications:
| 2006 Audi A4 | 2008 BMW 540 | |
| Make | Audi | BMW |
| Model | A4 | 540 |
| Year Released | 2006 | 2008 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2393 cc | 4398 cc |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 168 HP | 0 HP |
| Torque | 230 Nm | 440 Nm |
| Torque RPM | 3200 RPM | 3600 RPM |
| Engine Bore Size | 81 mm | 92 mm |
| Engine Stroke Size | 77.4 mm | 82.7 mm |
| Engine Compression Ratio | 11.0:1 | 10.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 224 km/hour | 250 km/hour |
| Acceleration 0-100mph | 10 seconds | 6.5 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1600 kg | 1705 kg |
| Vehicle Length | 4580 mm | 4870 mm |
| Vehicle Height | 1400 mm | 1470 mm |
| Wheelbase Size | 2660 mm | 2840 mm |
| Fuel Consumption Overall | 9.8 L/100km | 12.3 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
