2009 Mercedes-Benz B vs. 2003 Opel Astra
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 Opel Astra. In addition, the cost of maintenance, including insurance, on 2003 Opel Astra would be higher. At 2,034 cc (4 cylinders), 2009 Mercedes-Benz B is equipped with a bigger engine. In terms of performance, 2009 Mercedes-Benz B (190 HP @ 5000 RPM) has 67 more horse power than 2003 Opel Astra. (123 HP @ 5600 RPM). In normal driving conditions, 2009 Mercedes-Benz B should accelerate faster than 2003 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2009 Mercedes-Benz B weights approximately 255 kg more than 2003 Opel Astra. 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, 2009 Mercedes-Benz B (280 Nm @ 1800 RPM) has 107 more torque (in Nm) than 2003 Opel Astra. (173 Nm @ 3800 RPM). This means 2009 Mercedes-Benz B will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Astra.
Compare all specifications:
| 2009 Mercedes-Benz B | 2003 Opel Astra | |
| Make | Mercedes-Benz | Opel |
| Model | B | Astra |
| Year Released | 2009 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 2034 cc | 1796 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 190 HP | 123 HP |
| Engine RPM | 5000 RPM | 5600 RPM |
| Torque | 280 Nm | 173 Nm |
| Torque RPM | 1800 RPM | 3800 RPM |
| Engine Bore Size | 83 mm | 80.5 mm |
| Engine Stroke Size | 94 mm | 88.2 mm |
| Engine Compression Ratio | 9.0:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 225 km/hour | 198 km/hour |
| Acceleration 0-100mph | 7.7 seconds | 11.1 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 | 1370 kg | 1115 kg |
| Vehicle Length | 4280 mm | 4260 mm |
| Vehicle Width | 1610 mm | 1760 mm |
| Vehicle Height | 1780 mm | 1470 mm |
| Wheelbase Size | 2780 mm | 2640 mm |
| Fuel Consumption Overall | 8.2 L/100km | 7.8 L/100km |
| Fuel Tank Capacity | 54 L | 53 L |
