2009 Audi A8 vs. 2013 BMW 6 series
To start off, 2013 BMW 6 series is newer by 4 year(s). Which means there will be less support and parts availability for 2009 Audi A8. In addition, the cost of maintenance, including insurance, on 2009 Audi A8 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) has 183 more horse power than 2009 Audi A8. (256 HP) In normal driving conditions, 2013 BMW 6 series should accelerate faster than 2009 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2013 BMW 6 series weights approximately 890 kg more than 2009 Audi A8. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi A8 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, 2009 Audi A8 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 321 more torque (in Nm) than 2009 Audi A8. (330 Nm @ 3250 RPM). This means 2013 BMW 6 series will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A8. 2009 Audi A8 has automatic transmission and 2013 BMW 6 series has manual transmission. 2013 BMW 6 series will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Audi A8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi A8 | 2013 BMW 6 series | |
| Make | Audi | BMW |
| Model | A8 | 6 series |
| Year Released | 2009 | 2013 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 3123 cc | 4395 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 256 HP | 439 HP |
| Torque | 330 Nm | 651 Nm |
| Torque RPM | 3250 RPM | 4500 RPM |
| Engine Compression Ratio | 13.0:1 | 10.0 :1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 245 km/hour | 250 km/hour |
| Acceleration 0-100mph | 7.7 seconds | 4.5 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | 6-speed manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1160 kg | 2050 kg |
| Vehicle Length | 5060 mm | 4897 mm |
| Vehicle Width | 1900 mm | 1895 mm |
| Vehicle Height | 1450 mm | 1364 mm |
| Wheelbase Size | 2950 mm | 2855 mm |
| Fuel Tank Capacity | 90 L | 70 L |
