2005 Audi A6 vs. 2013 BMW 6 series
To start off, 2013 BMW 6 series is newer by 8 year(s). Which means there will be less support and parts availability for 2005 Audi A6. In addition, the cost of maintenance, including insurance, on 2005 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 (437 HP @ 5500 RPM) has 190 more horse power than 2005 Audi A6. (247 HP @ 1800 RPM) In normal driving conditions, 2013 BMW 6 series should accelerate faster than 2005 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2013 BMW 6 series weights approximately 340 kg more than 2005 Audi A6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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 (649 Nm @ 4500 RPM) has 299 more torque (in Nm) than 2005 Audi A6. (350 Nm @ 1800 RPM). This means 2013 BMW 6 series will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A6.
Compare all specifications:
| 2005 Audi A6 | 2013 BMW 6 series | |
| Make | Audi | BMW |
| Model | A6 | 6 series |
| Year Released | 2005 | 2013 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2671 cc | 4395 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 247 HP | 437 HP |
| Engine RPM | 1800 RPM | 5500 RPM |
| Torque | 350 Nm | 649 Nm |
| Torque RPM | 1800 RPM | 4500 RPM |
| Engine Compression Ratio | 9.3:1 | 10.0 :1 |
| Top Speed | 243 km/hour | 250 km/hour |
| Acceleration 0-100mph | 6.8 seconds | 4.4 seconds |
| Drive Type | 4WD | AWD |
| Transmission Type | Automatic | 8-speed automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1660 kg | 2000 kg |
| Vehicle Length | 4800 mm | 4896 mm |
| Vehicle Width | 1820 mm | 2081 mm |
| Vehicle Height | 1460 mm | 1369 mm |
| Wheelbase Size | 2580 mm | 2855 mm |
| Fuel Consumption Highway | 8.8 L/100km | 7.1 L/100km |
| Fuel Consumption City | 18.1 L/100km | 12.9 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
