2009 Mercedes-Benz B vs. 2011 Opel Astra
To start off, 2011 Opel Astra is newer by 2 year(s). Which means there will be less support and parts availability for 2009 Mercedes-Benz B. In addition, the cost of maintenance, including insurance, on 2009 Mercedes-Benz B would be higher. At 1,998 cc (4 cylinders), 2011 Opel Astra is equipped with a bigger engine. In terms of performance, 2011 Opel Astra (197 HP @ 5400 RPM) has 83 more horse power than 2009 Mercedes-Benz B. (114 HP @ 5500 RPM) In normal driving conditions, 2011 Opel Astra should accelerate faster than 2009 Mercedes-Benz B. With that said, vehicle weight also plays an important factor in acceleration. 2011 Opel Astra weights approximately 76 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, 2011 Opel Astra (262 Nm @ 4200 RPM) has 107 more torque (in Nm) than 2009 Mercedes-Benz B. (155 Nm @ 3500 RPM). This means 2011 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 2009 Mercedes-Benz B.
Compare all specifications:
| 2009 Mercedes-Benz B | 2011 Opel Astra | |
| Make | Mercedes-Benz | Opel |
| Model | B | Astra |
| Year Released | 2009 | 2011 |
| Engine Position | Front | Front |
| Engine Size | 1699 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 114 HP | 197 HP |
| Engine RPM | 5500 RPM | 5400 RPM |
| Torque | 155 Nm | 262 Nm |
| Torque RPM | 3500 RPM | 4200 RPM |
| Engine Compression Ratio | 11.0:1 | 8.8:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Acceleration 0-100mph | 11.6 seconds | 8.2 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1310 kg | 1386 kg |
| Vehicle Length | 4280 mm | 4480 mm |
| Vehicle Width | 1780 mm | 2030 mm |
| Vehicle Height | 1610 mm | 1420 mm |
| Wheelbase Size | 2780 mm | 2620 mm |
| Fuel Consumption Overall | 6.8 L/100km | 7.7 L/100km |
| Fuel Tank Capacity | 54 L | 52 L |
