2009 Mercedes-Benz A vs. 2011 Audi S5
To start off, 2011 Audi S5 is newer by 2 year(s). Which means there will be less support and parts availability for 2009 Mercedes-Benz A. In addition, the cost of maintenance, including insurance, on 2009 Mercedes-Benz A would be higher. At 4,200 cc (8 cylinders), 2011 Audi S5 is equipped with a bigger engine. In terms of performance, 2011 Audi S5 (354 HP @ 7000 RPM) has 220 more horse power than 2009 Mercedes-Benz A. (134 HP @ 5750 RPM) In normal driving conditions, 2011 Audi S5 should accelerate faster than 2009 Mercedes-Benz A. With that said, vehicle weight also plays an important factor in acceleration. 2009 Mercedes-Benz A weights approximately 1080 kg more than 2011 Audi S5.
Because 2011 Audi S5 is all wheel drive (AWD), it will have significant more traction and grip than 2009 Mercedes-Benz A. In wet, icy, snow, or gravel driving conditions, 2011 Audi S5 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, 2011 Audi S5 (440 Nm @ 3500 RPM) has 255 more torque (in Nm) than 2009 Mercedes-Benz A. (185 Nm @ 3500 RPM). This means 2011 Audi S5 will have an easier job in driving up hills or pulling heavy equipment than 2009 Mercedes-Benz A.
Compare all specifications:
| 2009 Mercedes-Benz A | 2011 Audi S5 | |
| Make | Mercedes-Benz | Audi |
| Model | A | S5 |
| Year Released | 2009 | 2011 |
| Body Type | Hatchback | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2034 cc | 4200 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 134 HP | 354 HP |
| Engine RPM | 5750 RPM | 7000 RPM |
| Torque | 185 Nm | 440 Nm |
| Torque RPM | 3500 RPM | 3500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | AWD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 2830 kg | 1750 kg |
| Vehicle Length | 3840 mm | 4625 mm |
| Vehicle Width | 1770 mm | 1854 mm |
| Vehicle Height | 1600 mm | 1372 mm |
| Wheelbase Size | 2570 mm | 2751 mm |
| Fuel Tank Capacity | 60 L | 63 L |
