2003 Alfa Romeo 156 vs. 2009 Mercedes-Benz B
To start off, 2009 Mercedes-Benz B is newer by 6 year(s). Which means there will be less support and parts availability for 2003 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2003 Alfa Romeo 156 would be higher. At 1,991 cc (4 cylinders), 2009 Mercedes-Benz B is equipped with a bigger engine. In terms of performance, 2003 Alfa Romeo 156 (118 HP @ 6200 RPM) has 10 more horse power than 2009 Mercedes-Benz B. (108 HP @ 4200 RPM). In normal driving conditions, 2003 Alfa Romeo 156 should accelerate faster than 2009 Mercedes-Benz B. With that said, vehicle weight also plays an important factor in acceleration. 2009 Mercedes-Benz B weights approximately 100 kg more than 2003 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, 2009 Mercedes-Benz B (250 Nm @ 1600 RPM) has 104 more torque (in Nm) than 2003 Alfa Romeo 156. (146 Nm @ 4200 RPM). This means 2009 Mercedes-Benz B will have an easier job in driving up hills or pulling heavy equipment than 2003 Alfa Romeo 156.
Compare all specifications:
| 2003 Alfa Romeo 156 | 2009 Mercedes-Benz B | |
| Make | Alfa Romeo | Mercedes-Benz |
| Model | 156 | B |
| Year Released | 2003 | 2009 |
| Body Type | Station Wagon | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1597 cc | 1991 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 118 HP | 108 HP |
| Engine RPM | 6200 RPM | 4200 RPM |
| Torque | 146 Nm | 250 Nm |
| Torque RPM | 4200 RPM | 1600 RPM |
| Engine Bore Size | 82 mm | 83 mm |
| Engine Stroke Size | 75.6 mm | 92 mm |
| Engine Compression Ratio | 10.3:1 | 18.0:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 200 km/hour | 183 km/hour |
| Acceleration 0-100mph | 11 seconds | 11.3 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1340 kg | 1440 kg |
| Vehicle Length | 4450 mm | 4280 mm |
| Vehicle Width | 1750 mm | 1780 mm |
| Vehicle Height | 1400 mm | 1610 mm |
| Wheelbase Size | 2600 mm | 2780 mm |
| Fuel Tank Capacity | 63 L | 54 L |
