2007 Audi A4 vs. 2012 BMW 640
To start off, 2012 BMW 640 is newer by 5 year(s). Which means there will be less support and parts availability for 2007 Audi A4. In addition, the cost of maintenance, including insurance, on 2007 Audi A4 would be higher. At 2,993 cc (6 cylinders), 2012 BMW 640 is equipped with a bigger engine. In terms of performance, 2012 BMW 640 (311 HP @ 4400 RPM) has 114 more horse power than 2007 Audi A4. (197 HP @ 5100 RPM) In normal driving conditions, 2012 BMW 640 should accelerate faster than 2007 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2012 BMW 640 weights approximately 305 kg more than 2007 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2012 BMW 640 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 2012 BMW 640. However, in wet, icy, snow, or gravel driving conditions, 2007 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, 2012 BMW 640 (630 Nm @ 1500 RPM) has 350 more torque (in Nm) than 2007 Audi A4. (280 Nm @ 1800 RPM). This means 2012 BMW 640 will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A4.
Compare all specifications:
| 2007 Audi A4 | 2012 BMW 640 | |
| Make | Audi | BMW |
| Model | A4 | 640 |
| Year Released | 2007 | 2012 |
| Body Type | Convertible | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 2993 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 197 HP | 311 HP |
| Engine RPM | 5100 RPM | 4400 RPM |
| Torque | 280 Nm | 630 Nm |
| Torque RPM | 1800 RPM | 1500 RPM |
| Engine Bore Size | 82.5 mm | 90 mm |
| Engine Stroke Size | 92.8 mm | 84 mm |
| Fuel Type | Gasoline | Diesel |
| Top Speed | 238 km/hour | 250 km/hour |
| Acceleration 0-100mph | 8.2 seconds | 5.6 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | 8-speed shiftable automatic |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1630 kg | 1935 kg |
| Vehicle Length | 4580 mm | 4894 mm |
| Vehicle Width | 1400 mm | 1894 mm |
| Vehicle Height | 1780 mm | 1365 mm |
| Wheelbase Size | 2660 mm | 2855 mm |
| Fuel Consumption Overall | 8.3 L/100km | 5.5 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
