2005 Audi A6 vs. 2013 BMW M6
To start off, 2013 BMW M6 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 M6 is equipped with a bigger engine. In terms of performance, 2013 BMW M6 (552 HP @ 6000 RPM) has 382 more horse power than 2005 Audi A6. (170 HP @ 4000 RPM) In normal driving conditions, 2013 BMW M6 should accelerate faster than 2005 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2013 BMW M6 weights approximately 315 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.
Because 2013 BMW M6 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 2013 BMW M6. However, in wet, icy, snow, or gravel driving conditions, 2005 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, 2013 BMW M6 (678 Nm @ 5750 RPM) has 307 more torque (in Nm) than 2005 Audi A6. (371 Nm @ 1500 RPM). This means 2013 BMW M6 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 M6 | |
| Make | Audi | BMW |
| Model | A6 | M6 |
| Year Released | 2005 | 2013 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2393 cc | 4395 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 170 HP | 552 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 371 Nm | 678 Nm |
| Torque RPM | 1500 RPM | 5750 RPM |
| Engine Bore Size | 78.3 mm | 89 mm |
| Engine Stroke Size | 86.4 mm | 88 mm |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1615 kg | 1930 kg |
| Vehicle Length | 4800 mm | 4903 mm |
| Vehicle Width | 1820 mm | 2106 mm |
| Vehicle Height | 1460 mm | 1374 mm |
| Wheelbase Size | 2760 mm | 2851 mm |
| Fuel Tank Capacity | 70 L | 80 L |
