2006 Alfa Romeo 147 vs. 2011 Mercedes-Benz B
To start off, 2011 Mercedes-Benz B is newer by 5 year(s). Which means there will be less support and parts availability for 2006 Alfa Romeo 147. In addition, the cost of maintenance, including insurance, on 2006 Alfa Romeo 147 would be higher. At 1,991 cc (4 cylinders), 2011 Mercedes-Benz B is equipped with a bigger engine. In terms of performance, 2006 Alfa Romeo 147 (148 HP @ 6300 RPM) has 40 more horse power than 2011 Mercedes-Benz B. (108 HP @ 4200 RPM). In normal driving conditions, 2006 Alfa Romeo 147 should accelerate faster than 2011 Mercedes-Benz B. With that said, vehicle weight also plays an important factor in acceleration. 2011 Mercedes-Benz B weights approximately 115 kg more than 2006 Alfa Romeo 147.
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, 2011 Mercedes-Benz B (250 Nm @ 1600 RPM) has 69 more torque (in Nm) than 2006 Alfa Romeo 147. (181 Nm @ 3800 RPM). This means 2011 Mercedes-Benz B will have an easier job in driving up hills or pulling heavy equipment than 2006 Alfa Romeo 147.
Compare all specifications:
| 2006 Alfa Romeo 147 | 2011 Mercedes-Benz B | |
| Make | Alfa Romeo | Mercedes-Benz |
| Model | 147 | B |
| Year Released | 2006 | 2011 |
| Engine Position | Front | Front |
| Engine Size | 1968 cc | 1991 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 108 HP |
| Engine RPM | 6300 RPM | 4200 RPM |
| Torque | 181 Nm | 250 Nm |
| Torque RPM | 3800 RPM | 1600 RPM |
| Engine Bore Size | 83 mm | 83 mm |
| Engine Stroke Size | 91 mm | 92 mm |
| Engine Compression Ratio | 10.0:1 | 18.0:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 208 km/hour | 183 km/hour |
| Acceleration 0-100mph | 9.3 seconds | 11.3 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 1325 kg | 1440 kg |
| Vehicle Length | 4180 mm | 4280 mm |
| Vehicle Width | 1740 mm | 1780 mm |
| Vehicle Height | 1470 mm | 1610 mm |
| Wheelbase Size | 2550 mm | 2780 mm |
| Fuel Consumption Overall | 8.9 L/100km | 5.6 L/100km |
| Fuel Tank Capacity | 60 L | 54 L |
