2009 Audi A4 vs. 2012 BMW 640
To start off, 2012 BMW 640 is newer by 3 year(s). Which means there will be less support and parts availability for 2009 Audi A4. In addition, the cost of maintenance, including insurance, on 2009 Audi A4 would be higher. At 2,979 cc (6 cylinders), 2012 BMW 640 is equipped with a bigger engine.
Because 2009 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, 2009 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. 2012 BMW 640 has automatic transmission and 2009 Audi A4 has manual transmission. 2009 Audi A4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2012 BMW 640 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi A4 | 2012 BMW 640 | |
| Make | Audi | BMW |
| Model | A4 | 640 |
| Year Released | 2009 | 2012 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2965 cc | 2979 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 222 HP | 0 HP |
| Engine Bore Size | 83 mm | 89.6 mm |
| Engine Stroke Size | 91.4 mm | 84 mm |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | 8-speed shiftable automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Length | 4550 mm | 4894 mm |
| Vehicle Width | 1780 mm | 1894 mm |
| Vehicle Height | 1430 mm | 1369 mm |
| Wheelbase Size | 2660 mm | 2855 mm |
| Fuel Tank Capacity | 70 L | 70 L |
