2009 Audi S6 vs. 2013 BMW 7 Series
To start off, 2013 BMW 7 Series is newer by 4 year(s). Which means there will be less support and parts availability for 2009 Audi S6. In addition, the cost of maintenance, including insurance, on 2009 Audi S6 would be higher. At 4,172 cc (8 cylinders), 2009 Audi S6 is equipped with a bigger engine. In terms of performance, 2009 Audi S6 (335 HP @ 7000 RPM) has 24 more horse power than 2013 BMW 7 Series. (311 HP @ 5800 RPM). In normal driving conditions, 2009 Audi S6 should accelerate faster than 2013 BMW 7 Series. With that said, vehicle weight also plays an important factor in acceleration. 2013 BMW 7 Series weights approximately 238 kg more than 2009 Audi S6.
Because 2009 Audi S6 is four wheel drive (4WD), it will have significant more traction and grip than 2013 BMW 7 Series. In wet, icy, snow, or gravel driving conditions, 2009 Audi S6 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, 2009 Audi S6 (420 Nm @ 3400 RPM) has 13 more torque (in Nm) than 2013 BMW 7 Series. (407 Nm @ 4500 RPM). This means 2009 Audi S6 will have an easier job in driving up hills or pulling heavy equipment than 2013 BMW 7 Series.
Compare all specifications:
| 2009 Audi S6 | 2013 BMW 7 Series | |
| Make | Audi | BMW |
| Model | S6 | 7 Series |
| Year Released | 2009 | 2013 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 2979 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 335 HP | 311 HP |
| Engine RPM | 7000 RPM | 5800 RPM |
| Torque | 420 Nm | 407 Nm |
| Torque RPM | 3400 RPM | 4500 RPM |
| Engine Bore Size | 84.6 mm | 84 mm |
| Engine Stroke Size | 93 mm | 89 mm |
| Engine Compression Ratio | 11.0:1 | 10.2 :1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Acceleration 0-100mph | 6.8 seconds | 5.6 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | 8-speed automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1815 kg | 2053 kg |
| Vehicle Length | 4840 mm | 5214 mm |
| Vehicle Width | 1860 mm | 2134 mm |
| Vehicle Height | 1450 mm | 1481 mm |
| Wheelbase Size | 2770 mm | 3210 mm |
| Fuel Consumption Highway | 12.4 L/100km | 7.5 L/100km |
| Fuel Consumption City | 16.9 L/100km | 11 L/100km |
| Fuel Tank Capacity | 82 L | 80 L |
