2009 Audi A8 vs. 2007 Mercedes-Benz A
To start off, 2009 Audi A8 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Mercedes-Benz A. In addition, the cost of maintenance, including insurance, on 2007 Mercedes-Benz A would be higher. At 5,998 cc, 2009 Audi A8 is equipped with a bigger engine. In terms of performance, 2009 Audi A8 (444 HP @ 6200 RPM) has 330 more horse power than 2007 Mercedes-Benz A. (114 HP @ 5500 RPM). In normal driving conditions, 2009 Audi A8 should accelerate faster than 2007 Mercedes-Benz A. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A8 weights approximately 755 kg more than 2007 Mercedes-Benz A. 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 2007 Mercedes-Benz A. 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, 2009 Audi A8 (580 Nm @ 4000 RPM) has 425 more torque (in Nm) than 2007 Mercedes-Benz A. (155 Nm @ 3500 RPM). This means 2009 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2007 Mercedes-Benz A. 2009 Audi A8 has automatic transmission and 2007 Mercedes-Benz A has manual transmission. 2007 Mercedes-Benz A 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 | 2007 Mercedes-Benz A | |
| Make | Audi | Mercedes-Benz |
| Model | A8 | A |
| Year Released | 2009 | 2007 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 5998 cc | 1698 cc |
| Engine Type | W | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 444 HP | 114 HP |
| Engine RPM | 6200 RPM | 5500 RPM |
| Torque | 580 Nm | 155 Nm |
| Torque RPM | 4000 RPM | 3500 RPM |
| Engine Compression Ratio | 11.0:1 | 11.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 245 km/hour | 188 km/hour |
| Acceleration 0-100mph | 5.1 seconds | 10.9 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1995 kg | 1240 kg |
| Vehicle Length | 5070 mm | 3840 mm |
| Vehicle Width | 1900 mm | 1770 mm |
| Vehicle Height | 1450 mm | 1600 mm |
| Wheelbase Size | 3080 mm | 2570 mm |
| Fuel Consumption Overall | 13.8 L/100km | 6.6 L/100km |
| Fuel Tank Capacity | 90 L | 60 L |
