2004 Audi A6 vs. 2013 BMW 6 series
To start off, 2013 BMW 6 series is newer by 9 year(s). Which means there will be less support and parts availability for 2004 Audi A6. In addition, the cost of maintenance, including insurance, on 2004 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 259 more horse power than 2004 Audi A6. (180 HP @ 6000 RPM) In normal driving conditions, 2013 BMW 6 series should accelerate faster than 2004 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2013 BMW 6 series weights approximately 277 kg more than 2004 Audi A6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2013 BMW 6 series 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 6 series. However, in wet, icy, snow, or gravel driving conditions, 2004 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 6 series (651 Nm @ 4500 RPM) has 416 more torque (in Nm) than 2004 Audi A6. (235 Nm @ 3000 RPM). This means 2013 BMW 6 series will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi A6.
Compare all specifications:
| 2004 Audi A6 | 2013 BMW 6 series | |
| Make | Audi | BMW |
| Model | A6 | 6 series |
| Year Released | 2004 | 2013 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2496 cc | 4395 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 180 HP | 439 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 235 Nm | 651 Nm |
| Torque RPM | 3000 RPM | 4500 RPM |
| Engine Bore Size | 81 mm | 89 mm |
| Engine Stroke Size | 77.4 mm | 89 mm |
| Engine Compression Ratio | 10.3:1 | 10.0 :1 |
| Top Speed | 221 km/hour | 250 km/hour |
| Acceleration 0-100mph | 9.5 seconds | 4.5 seconds |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1662 kg | 1939 kg |
| Vehicle Length | 4940 mm | 5009 mm |
| Vehicle Width | 1860 mm | 2081 mm |
| Vehicle Height | 1470 mm | 1392 mm |
| Wheelbase Size | 2660 mm | 2968 mm |
| Fuel Consumption Highway | 7.2 L/100km | 7.1 L/100km |
| Fuel Consumption City | 13.8 L/100km | 12.9 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
