2009 Audi A6 vs. 2013 BMW 6 series
To start off, 2013 BMW 6 series is newer by 4 year(s). Which means there will be less support and parts availability for 2009 Audi A6. In addition, the cost of maintenance, including insurance, on 2009 Audi A6 would be higher. At 4,395 cc (8 cylinders), 2013 BMW 6 series is equipped with a bigger engine. In terms of performance, 2013 BMW 6 series (439 HP @ 6000 RPM) has 139 more horse power than 2009 Audi A6. (300 HP @ 5100 RPM) In normal driving conditions, 2013 BMW 6 series should accelerate faster than 2009 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2013 BMW 6 series weights approximately 1044 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 2009 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 2013 BMW 6 series. In wet, icy, snow, or gravel driving conditions, 2009 Audi A6 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, 2013 BMW 6 series (651 Nm @ 4500 RPM) has 231 more torque (in Nm) than 2009 Audi A6. (420 Nm @ 2500 RPM). This means 2013 BMW 6 series will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A6.
Compare all specifications:
| 2009 Audi A6 | 2013 BMW 6 series | |
| Make | Audi | BMW |
| Model | A6 | 6 series |
| Year Released | 2009 | 2013 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2995 cc | 4395 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 300 HP | 439 HP |
| Engine RPM | 5100 RPM | 6000 RPM |
| Torque | 420 Nm | 651 Nm |
| Torque RPM | 2500 RPM | 4500 RPM |
| Engine Compression Ratio | 18.0:1 | 10.0 :1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | 8-speed automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 895 kg | 1939 kg |
| Vehicle Length | 4930 mm | 5009 mm |
| Vehicle Width | 2040 mm | 2081 mm |
| Vehicle Height | 1460 mm | 1392 mm |
| Wheelbase Size | 2850 mm | 2968 mm |
| Fuel Consumption Highway | 9.1 L/100km | 7.1 L/100km |
| Fuel Consumption City | 13.1 L/100km | 12.9 L/100km |
| Fuel Tank Capacity | 80 L | 70 L |
