2007 Opel Astra vs. 2010 Mercedes-Benz B
To start off, 2010 Mercedes-Benz B is newer by 3 year(s). Which means there will be less support and parts availability for 2007 Opel Astra. In addition, the cost of maintenance, including insurance, on 2007 Opel Astra would be higher. At 1,991 cc (4 cylinders), 2010 Mercedes-Benz B is equipped with a bigger engine. In terms of performance, 2010 Mercedes-Benz B (108 HP @ 4200 RPM) has 9 more horse power than 2007 Opel Astra. (99 HP @ 4400 RPM) In normal driving conditions, 2010 Mercedes-Benz B should accelerate faster than 2007 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2010 Mercedes-Benz B weights approximately 47 kg more than 2007 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, 2010 Mercedes-Benz B (250 Nm @ 1600 RPM) has 10 more torque (in Nm) than 2007 Opel Astra. (240 Nm @ 2300 RPM). This means 2010 Mercedes-Benz B will have an easier job in driving up hills or pulling heavy equipment than 2007 Opel Astra.
Compare all specifications:
| 2007 Opel Astra | 2010 Mercedes-Benz B | |
| Make | Opel | Mercedes-Benz |
| Model | Astra | B |
| Year Released | 2007 | 2010 |
| Body Type | Station Wagon | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1686 cc | 1991 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 99 HP | 108 HP |
| Engine RPM | 4400 RPM | 4200 RPM |
| Torque | 240 Nm | 250 Nm |
| Torque RPM | 2300 RPM | 1600 RPM |
| Engine Bore Size | 79 mm | 83 mm |
| Engine Stroke Size | 86 mm | 92 mm |
| Engine Compression Ratio | 18.4:1 | 18.0:1 |
| Fuel Type | Diesel | Diesel |
| Top Speed | 180 km/hour | 183 km/hour |
| Acceleration 0-100mph | 12.5 seconds | 11.3 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 | 1393 kg | 1440 kg |
| Vehicle Length | 4520 mm | 4280 mm |
| Vehicle Width | 1760 mm | 1780 mm |
| Vehicle Height | 1510 mm | 1610 mm |
| Wheelbase Size | 2710 mm | 2780 mm |
| Fuel Consumption Overall | 5 L/100km | 5.6 L/100km |
| Fuel Tank Capacity | 52 L | 54 L |
