2004 Audi RS6 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 RS6. In addition, the cost of maintenance, including insurance, on 2004 Audi RS6 would be higher. At 4,395 cc (8 cylinders), 2013 BMW 6 series is equipped with a bigger engine. In terms of performance, 2004 Audi RS6 (444 HP @ 6300 RPM) has 5 more horse power than 2013 BMW 6 series. (439 HP @ 6000 RPM). In normal driving conditions, 2004 Audi RS6 should accelerate faster than 2013 BMW 6 series. With that said, vehicle weight also plays an important factor in acceleration. 2013 BMW 6 series weights approximately 140 kg more than 2004 Audi RS6.
Because 2004 Audi RS6 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, 2004 Audi RS6 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 91 more torque (in Nm) than 2004 Audi RS6. (560 Nm @ 1950 RPM). This means 2013 BMW 6 series will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi RS6.
Compare all specifications:
| 2004 Audi RS6 | 2013 BMW 6 series | |
| Make | Audi | BMW |
| Model | RS6 | 6 series |
| Year Released | 2004 | 2013 |
| Body Type | Station Wagon | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 4395 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 444 HP | 439 HP |
| Engine RPM | 6300 RPM | 6000 RPM |
| Torque | 560 Nm | 651 Nm |
| Torque RPM | 1950 RPM | 4500 RPM |
| Engine Bore Size | 84.5 mm | 84 mm |
| Engine Stroke Size | 93 mm | 89 mm |
| Engine Compression Ratio | 9.3:1 | 10.0 :1 |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 250 km/hour | 250 km/hour |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | 6-speed manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1910 kg | 2050 kg |
| Vehicle Length | 4860 mm | 4897 mm |
| Vehicle Width | 1860 mm | 1895 mm |
| Vehicle Height | 1400 mm | 1364 mm |
| Wheelbase Size | 2770 mm | 2855 mm |
| Fuel Consumption Highway | 10.4 L/100km | 10.2 L/100km |
| Fuel Consumption City | 21.8 L/100km | 15.7 L/100km |
| Fuel Tank Capacity | 82 L | 70 L |
