2008 Audi A8 vs. 2013 BMW 6 series
To start off, 2013 BMW 6 series is newer by 5 year(s). Which means there will be less support and parts availability for 2008 Audi A8. In addition, the cost of maintenance, including insurance, on 2008 Audi A8 would be higher. At 5,998 cc, 2008 Audi A8 is equipped with a bigger engine. In terms of performance, 2008 Audi A8 (445 HP @ 6200 RPM) has 8 more horse power than 2013 BMW 6 series. (437 HP @ 5500 RPM). In normal driving conditions, 2008 Audi A8 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 14 kg more than 2008 Audi A8.
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 71 more torque (in Nm) than 2008 Audi A8. (580 Nm @ 4000 RPM). This means 2013 BMW 6 series will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi A8.
Compare all specifications:
| 2008 Audi A8 | 2013 BMW 6 series | |
| Make | Audi | BMW |
| Model | A8 | 6 series |
| Year Released | 2008 | 2013 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 5998 cc | 4395 cc |
| Engine Type | W | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 445 HP | 437 HP |
| Engine RPM | 6200 RPM | 5500 RPM |
| Torque | 580 Nm | 651 Nm |
| Torque RPM | 4000 RPM | 4500 RPM |
| Engine Bore Size | 84 mm | 89 mm |
| Engine Stroke Size | 90.2 mm | 89 mm |
| Engine Compression Ratio | 11.0:1 | 10.0 :1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 250 km/hour | 250 km/hour |
| Acceleration 0-100mph | 5.2 seconds | 4.5 seconds |
| Drive Type | 4WD | AWD |
| Transmission Type | Automatic | 8-speed shiftable automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1995 kg | 2009 kg |
| Vehicle Length | 5190 mm | 5009 mm |
| Vehicle Width | 1900 mm | 2081 mm |
| Vehicle Height | 1460 mm | 1392 mm |
| Wheelbase Size | 3080 mm | 2968 mm |
| Fuel Tank Capacity | 90 L | 70 L |
