2007 Audi A8 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 A8. In addition, the cost of maintenance, including insurance, on 2007 Audi A8 would be higher. At 3,123 cc (6 cylinders), 2007 Audi A8 is equipped with a bigger engine. In terms of performance, 2012 BMW 640 (318 HP) has 62 more horse power than 2007 Audi A8. (256 HP) In normal driving conditions, 2012 BMW 640 should accelerate faster than 2007 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A8 weights approximately 55 kg more than 2012 BMW 640.
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 A8, 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 (450 Nm @ 1300 RPM) has 120 more torque (in Nm) than 2007 Audi A8. (330 Nm @ 3250 RPM). This means 2012 BMW 640 will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A8.
Compare all specifications:
| 2007 Audi A8 | 2012 BMW 640 | |
| Make | Audi | BMW |
| Model | A8 | 640 |
| Year Released | 2007 | 2012 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3123 cc | 2979 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 256 HP | 318 HP |
| Torque | 330 Nm | 450 Nm |
| Torque RPM | 3250 RPM | 1300 RPM |
| Engine Bore Size | 84.5 mm | 89.6 mm |
| Engine Stroke Size | 92.8 mm | 84 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 250 km/hour | 250 km/hour |
| Acceleration 0-100mph | 8 seconds | 5.4 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | 8-speed shiftable automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1880 kg | 1825 kg |
| Vehicle Length | 5060 mm | 5007 mm |
| Vehicle Width | 1900 mm | 1894 mm |
| Vehicle Height | 1450 mm | 1392 mm |
| Wheelbase Size | 2950 mm | 2968 mm |
| Fuel Consumption Overall | 9.8 L/100km | 7.8 L/100km |
| Fuel Tank Capacity | 90 L | 70 L |
