2009 Audi A6 vs. 2007 BMW 650
To start off, 2009 Audi A6 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 BMW 650. In addition, the cost of maintenance, including insurance, on 2007 BMW 650 would be higher. At 4,799 cc (8 cylinders), 2007 BMW 650 is equipped with a bigger engine. In terms of performance, 2007 BMW 650 (363 HP) has 194 more horse power than 2009 Audi A6. (169 HP) In normal driving conditions, 2007 BMW 650 should accelerate faster than 2009 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 650 weights approximately 365 kg more than 2009 Audi A6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 BMW 650 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 2007 BMW 650. However, in wet, icy, snow, or gravel driving conditions, 2009 Audi A6, 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, 2007 BMW 650 (490 Nm @ 3400 RPM) has 210 more torque (in Nm) than 2009 Audi A6. (280 Nm @ 1800 RPM). This means 2007 BMW 650 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A6. 2007 BMW 650 has automatic transmission and 2009 Audi A6 has manual transmission. 2009 Audi A6 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 BMW 650 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi A6 | 2007 BMW 650 | |
| Make | Audi | BMW |
| Model | A6 | 650 |
| Year Released | 2009 | 2007 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 4799 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 169 HP | 363 HP |
| Torque | 280 Nm | 490 Nm |
| Torque RPM | 1800 RPM | 3400 RPM |
| Engine Compression Ratio | 11.5:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 223 km/hour | 250 km/hour |
| Acceleration 0-100mph | 8.7 seconds | 5.4 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1275 kg | 1640 kg |
| Vehicle Length | 4800 mm | 4830 mm |
| Vehicle Width | 1820 mm | 1380 mm |
| Vehicle Height | 1460 mm | 1860 mm |
| Wheelbase Size | 2770 mm | 2790 mm |
| Fuel Tank Capacity | 70 L | 70 L |
