2005 Alfa Romeo 156 vs. 2009 Mercedes-Benz A
To start off, 2009 Mercedes-Benz A is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2005 Alfa Romeo 156 would be higher. At 3,179 cc (6 cylinders), 2005 Alfa Romeo 156 is equipped with a bigger engine. In terms of performance, 2005 Alfa Romeo 156 (247 HP @ 6200 RPM) has 139 more horse power than 2009 Mercedes-Benz A. (108 HP @ 4200 RPM). In normal driving conditions, 2005 Alfa Romeo 156 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 1420 kg more than 2005 Alfa Romeo 156.
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, 2005 Alfa Romeo 156 (305 Nm @ 4800 RPM) has 55 more torque (in Nm) than 2009 Mercedes-Benz A. (250 Nm @ 1600 RPM). This means 2005 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 2009 Mercedes-Benz A.
Compare all specifications:
| 2005 Alfa Romeo 156 | 2009 Mercedes-Benz A | |
| Make | Alfa Romeo | Mercedes-Benz |
| Model | 156 | A |
| Year Released | 2005 | 2009 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3179 cc | 1991 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 247 HP | 108 HP |
| Engine RPM | 6200 RPM | 4200 RPM |
| Torque | 305 Nm | 250 Nm |
| Torque RPM | 4800 RPM | 1600 RPM |
| Engine Compression Ratio | 10.5:1 | 18.0:1 |
| Top Speed | 250 km/hour | 181 km/hour |
| Acceleration 0-100mph | 6.3 seconds | 10.8 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1410 kg | 2830 kg |
| Vehicle Length | 4440 mm | 3840 mm |
| Vehicle Width | 1770 mm | 1770 mm |
| Vehicle Height | 1410 mm | 1600 mm |
| Wheelbase Size | 2600 mm | 2570 mm |
| Fuel Consumption Overall | 12.3 L/100km | 5.2 L/100km |
| Fuel Tank Capacity | 63 L | 60 L |
