2009 Audi A5 vs. 2007 Mercedes-Benz A
To start off, 2009 Audi A5 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 3,197 cc (6 cylinders), 2009 Audi A5 is equipped with a bigger engine. In terms of performance, 2009 Audi A5 (261 HP @ 6500 RPM) has 153 more horse power than 2007 Mercedes-Benz A. (108 HP @ 4200 RPM). In normal driving conditions, 2009 Audi A5 should accelerate faster than 2007 Mercedes-Benz A. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A5 weights approximately 155 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.
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, 2009 Audi A5 (330 Nm @ 3000 RPM) has 80 more torque (in Nm) than 2007 Mercedes-Benz A. (250 Nm @ 1600 RPM). This means 2009 Audi A5 will have an easier job in driving up hills or pulling heavy equipment than 2007 Mercedes-Benz A.
Compare all specifications:
| 2009 Audi A5 | 2007 Mercedes-Benz A | |
| Make | Audi | Mercedes-Benz |
| Model | A5 | A |
| Year Released | 2009 | 2007 |
| Body Type | Coupe | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3197 cc | 1991 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 261 HP | 108 HP |
| Engine RPM | 6500 RPM | 4200 RPM |
| Torque | 330 Nm | 250 Nm |
| Torque RPM | 3000 RPM | 1600 RPM |
| Engine Compression Ratio | 10.5:1 | 18.0:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 250 km/hour | 186 km/hour |
| Acceleration 0-100mph | 6.6 seconds | 11.1 seconds |
| Drive Type | Front | Front |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1500 kg | 1345 kg |
| Vehicle Length | 4630 mm | 3840 mm |
| Vehicle Width | 1860 mm | 1770 mm |
| Vehicle Height | 1380 mm | 1600 mm |
| Wheelbase Size | 2760 mm | 2570 mm |
| Fuel Consumption Overall | 8.7 L/100km | 5.2 L/100km |
| Fuel Tank Capacity | 65 L | 60 L |
