2006 Audi A8 vs. 2007 Mercedes-Benz B
To start off, 2007 Mercedes-Benz B is newer by 1 year(s). Which means there will be less support and parts availability for 2006 Audi A8. In addition, the cost of maintenance, including insurance, on 2006 Audi A8 would be higher. At 3,123 cc (6 cylinders), 2006 Audi A8 is equipped with a bigger engine. In terms of performance, 2006 Audi A8 (256 HP) has 118 more horse power than 2007 Mercedes-Benz B. (138 HP). In normal driving conditions, 2006 Audi A8 should accelerate faster than 2007 Mercedes-Benz B. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi A8 weights approximately 506 kg more than 2007 Mercedes-Benz B. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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, 2006 Audi A8 (330 Nm @ 3250 RPM) has 30 more torque (in Nm) than 2007 Mercedes-Benz B. (300 Nm @ 1600 RPM). This means 2006 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2007 Mercedes-Benz B.
Compare all specifications:
| 2006 Audi A8 | 2007 Mercedes-Benz B | |
| Make | Audi | Mercedes-Benz |
| Model | A8 | B |
| Year Released | 2006 | 2007 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3123 cc | 1991 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 256 HP | 138 HP |
| Torque | 330 Nm | 300 Nm |
| Torque RPM | 3250 RPM | 1600 RPM |
| Engine Compression Ratio | 13.0:1 | 18.0:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 245 km/hour | 200 km/hour |
| Acceleration 0-100mph | 7.7 seconds | 7.6 seconds |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1880 kg | 1374 kg |
| Vehicle Length | 5060 mm | 4280 mm |
| Vehicle Width | 1900 mm | 1780 mm |
| Vehicle Height | 1450 mm | 1610 mm |
| Wheelbase Size | 2950 mm | 2780 mm |
| Fuel Consumption Overall | 9.8 L/100km | 5.8 L/100km |
| Fuel Tank Capacity | 90 L | 54 L |
