2009 Audi S6 vs. 2009 BMW 550
To start off, both 2009 Audi S6 and 2009 BMW 550 were released in the same year (2009). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 4,799 cc (8 cylinders), 2009 BMW 550 is equipped with a bigger engine. In terms of performance, 2009 BMW 550 (360 HP @ 6300 RPM) has 25 more horse power than 2009 Audi S6. (335 HP @ 7000 RPM) In normal driving conditions, 2009 BMW 550 should accelerate faster than 2009 Audi S6. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi S6 weights approximately 85 kg more than 2009 BMW 550.
Because 2009 Audi S6 is four wheel drive (4WD), it will have significant more traction and grip than 2009 BMW 550. 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 BMW 550 (489 Nm @ 3400 RPM) has 69 more torque (in Nm) than 2009 Audi S6. (420 Nm @ 3400 RPM). This means 2009 BMW 550 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi S6. 2009 Audi S6 has automatic transmission and 2009 BMW 550 has manual transmission. 2009 BMW 550 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Audi S6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi S6 | 2009 BMW 550 | |
| Make | Audi | BMW |
| Model | S6 | 550 |
| Year Released | 2009 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 4799 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 335 HP | 360 HP |
| Engine RPM | 7000 RPM | 6300 RPM |
| Torque | 420 Nm | 489 Nm |
| Torque RPM | 3400 RPM | 3400 RPM |
| Engine Bore Size | 84.6 mm | 93 mm |
| Engine Stroke Size | 93 mm | 88.3 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Acceleration 0-100mph | 6.8 seconds | 5.5 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1815 kg | 1730 kg |
| Vehicle Length | 4840 mm | 4850 mm |
| Vehicle Width | 1860 mm | 1470 mm |
| Vehicle Height | 1450 mm | 1850 mm |
| Wheelbase Size | 2770 mm | 2890 mm |
| Fuel Consumption Highway | 12.4 L/100km | 10.7 L/100km |
| Fuel Consumption City | 16.9 L/100km | 15.7 L/100km |
| Fuel Consumption Overall | 14.8 L/100km | 11.1 L/100km |
| Fuel Tank Capacity | 82 L | 70 L |
