2006 Audi A4 vs. 2012 BMW 640
To start off, 2012 BMW 640 is newer by 6 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 2,981 cc (6 cylinders), 2006 Audi A4 is equipped with a bigger engine. In terms of performance, 2012 BMW 640 (318 HP @ 5800 RPM) has 98 more horse power than 2006 Audi A4. (220 HP @ 6300 RPM) In normal driving conditions, 2012 BMW 640 should accelerate faster than 2006 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2012 BMW 640 weights approximately 55 kg more than 2006 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2012 BMW 640. In wet, icy, snow, or gravel driving conditions, 2006 Audi A4 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, 2012 BMW 640 (450 Nm @ 1300 RPM) has 150 more torque (in Nm) than 2006 Audi A4. (300 Nm @ 3200 RPM). This means 2012 BMW 640 will have an easier job in driving up hills or pulling heavy equipment than 2006 Audi A4.
Compare all specifications:
| 2006 Audi A4 | 2012 BMW 640 | |
| Make | Audi | BMW |
| Model | A4 | 640 |
| Year Released | 2006 | 2012 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2981 cc | 2979 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 220 HP | 318 HP |
| Engine RPM | 6300 RPM | 5800 RPM |
| Torque | 300 Nm | 450 Nm |
| Torque RPM | 3200 RPM | 1300 RPM |
| Engine Bore Size | 82.5 mm | 89.6 mm |
| Engine Stroke Size | 92.8 mm | 84 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 241 km/hour | 250 km/hour |
| Acceleration 0-100mph | 7.9 seconds | 5.4 seconds |
| Drive Type | 4WD | Rear |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1770 kg | 1825 kg |
| Vehicle Length | 4580 mm | 5007 mm |
| Vehicle Width | 1780 mm | 1894 mm |
| Vehicle Height | 1400 mm | 1392 mm |
| Wheelbase Size | 2660 mm | 2968 mm |
| Fuel Consumption Highway | 9.4 L/100km | 6.1 L/100km |
| Fuel Consumption City | 13.1 L/100km | 10.6 L/100km |
| Fuel Consumption Overall | 11.8 L/100km | 7.8 L/100km |
| Fuel Tank Capacity | 63 L | 70 L |
