2009 Mercedes-Benz B vs. 2002 Alfa Romeo 156
To start off, 2009 Mercedes-Benz B is newer by 7 year(s). Which means there will be less support and parts availability for 2002 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2002 Alfa Romeo 156 would be higher. At 3,179 cc (6 cylinders), 2002 Alfa Romeo 156 is equipped with a bigger engine. In terms of performance, 2002 Alfa Romeo 156 (247 HP @ 6200 RPM) has 109 more horse power than 2009 Mercedes-Benz B. (138 HP @ 4200 RPM) In normal driving conditions, 2002 Alfa Romeo 156 should accelerate faster than 2009 Mercedes-Benz B. With that said, vehicle weight also plays an important factor in acceleration. 2002 Alfa Romeo 156 weights approximately 50 kg more than 2009 Mercedes-Benz B. 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, both vehicles can yield 300 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles. 2002 Alfa Romeo 156 has automatic transmission and 2009 Mercedes-Benz B has manual transmission. 2009 Mercedes-Benz B will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2002 Alfa Romeo 156 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Mercedes-Benz B | 2002 Alfa Romeo 156 | |
| Make | Mercedes-Benz | Alfa Romeo |
| Model | B | 156 |
| Year Released | 2009 | 2002 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1989 cc | 3179 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 138 HP | 247 HP |
| Engine RPM | 4200 RPM | 6200 RPM |
| Torque | 300 Nm | 300 Nm |
| Torque RPM | 1600 RPM | 4800 RPM |
| Engine Compression Ratio | 18.0:1 | 10.5:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Acceleration 0-100mph | 9.7 seconds | 6.3 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1435 kg | 1485 kg |
| Vehicle Length | 4280 mm | 4440 mm |
| Vehicle Width | 1610 mm | 1770 mm |
| Vehicle Height | 1780 mm | 1410 mm |
| Wheelbase Size | 2780 mm | 2600 mm |
| Fuel Consumption Overall | 5.6 L/100km | 12.1 L/100km |
| Fuel Tank Capacity | 54 L | 63 L |
