2003 Alfa Romeo 166 vs. 2011 Mercedes-Benz B
To start off, 2011 Mercedes-Benz B is newer by 8 year(s). Which means there will be less support and parts availability for 2003 Alfa Romeo 166. In addition, the cost of maintenance, including insurance, on 2003 Alfa Romeo 166 would be higher. At 2,387 cc (5 cylinders), 2003 Alfa Romeo 166 is equipped with a bigger engine. In terms of performance, 2003 Alfa Romeo 166 (148 HP @ 4000 RPM) has 10 more horse power than 2011 Mercedes-Benz B. (138 HP @ 4200 RPM). In normal driving conditions, 2003 Alfa Romeo 166 should accelerate faster than 2011 Mercedes-Benz B. With that said, vehicle weight also plays an important factor in acceleration. 2003 Alfa Romeo 166 weights approximately 107 kg more than 2011 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.
Compare all specifications:
| 2003 Alfa Romeo 166 | 2011 Mercedes-Benz B | |
| Make | Alfa Romeo | Mercedes-Benz |
| Model | 166 | B |
| Year Released | 2003 | 2011 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2387 cc | 1989 cc |
| Engine Cylinders | 5 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 148 HP | 138 HP |
| Engine RPM | 4000 RPM | 4200 RPM |
| Torque | 300 Nm | 300 Nm |
| Torque RPM | 1800 RPM | 1600 RPM |
| Engine Bore Size | 82 mm | 83 mm |
| Engine Stroke Size | 90.4 mm | 92 mm |
| Engine Compression Ratio | 18.5:1 | 18.0:1 |
| Fuel Type | Diesel | Diesel |
| Top Speed | 210 km/hour | 200 km/hour |
| Acceleration 0-100mph | 9.9 seconds | 9.7 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 | 1542 kg | 1435 kg |
| Vehicle Length | 4730 mm | 4280 mm |
| Vehicle Width | 1810 mm | 1610 mm |
| Vehicle Height | 1420 mm | 1780 mm |
| Wheelbase Size | 2600 mm | 2780 mm |
| Fuel Consumption Overall | 7.5 L/100km | 5.6 L/100km |
| Fuel Tank Capacity | 69 L | 54 L |
