2008 Mercedes-Benz B vs. 2005 Opel Astra
To start off, 2008 Mercedes-Benz B is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Opel Astra. In addition, the cost of maintenance, including insurance, on 2005 Opel Astra would be higher. At 2,034 cc (4 cylinders), 2008 Mercedes-Benz B is equipped with a bigger engine. In terms of performance, 2008 Mercedes-Benz B (190 HP @ 5000 RPM) has 106 more horse power than 2005 Opel Astra. (84 HP @ 5400 RPM). In normal driving conditions, 2008 Mercedes-Benz B should accelerate faster than 2005 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2008 Mercedes-Benz B weights approximately 164 kg more than 2005 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, 2008 Mercedes-Benz B (280 Nm @ 1800 RPM) has 142 more torque (in Nm) than 2005 Opel Astra. (138 Nm @ 2600 RPM). This means 2008 Mercedes-Benz B will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Astra.
Compare all specifications:
| 2008 Mercedes-Benz B | 2005 Opel Astra | |
| Make | Mercedes-Benz | Opel |
| Model | B | Astra |
| Year Released | 2008 | 2005 |
| Body Type | Hatchback | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2034 cc | 1598 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 190 HP | 84 HP |
| Engine RPM | 5000 RPM | 5400 RPM |
| Torque | 280 Nm | 138 Nm |
| Torque RPM | 1800 RPM | 2600 RPM |
| Engine Bore Size | 83 mm | 79 mm |
| Engine Stroke Size | 94 mm | 81.5 mm |
| Engine Compression Ratio | 9.0:1 | 9.6:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 225 km/hour | 177 km/hour |
| Acceleration 0-100mph | 7.3 seconds | 13.5 seconds |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1370 kg | 1206 kg |
| Vehicle Length | 4280 mm | 4290 mm |
| Vehicle Width | 1780 mm | 1720 mm |
| Vehicle Height | 1610 mm | 1470 mm |
| Wheelbase Size | 2780 mm | 2620 mm |
| Fuel Consumption Overall | 8.4 L/100km | 7.9 L/100km |
| Fuel Tank Capacity | 56 L | 52 L |
