2006 Opel Astra vs. 2011 Alfa Romeo 159
To start off, 2011 Alfa Romeo 159 is newer by 5 year(s). Which means there will be less support and parts availability for 2006 Opel Astra. In addition, the cost of maintenance, including insurance, on 2006 Opel Astra would be higher. At 3,195 cc (6 cylinders), 2011 Alfa Romeo 159 is equipped with a bigger engine. In terms of performance, 2011 Alfa Romeo 159 (256 HP @ 6200 RPM) has 157 more horse power than 2006 Opel Astra. (99 HP @ 4400 RPM) In normal driving conditions, 2011 Alfa Romeo 159 should accelerate faster than 2006 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2011 Alfa Romeo 159 weights approximately 440 kg more than 2006 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2011 Alfa Romeo 159 is four wheel drive (4WD), it will have significant more traction and grip than 2006 Opel Astra. In wet, icy, snow, or gravel driving conditions, 2011 Alfa Romeo 159 will offer significantly more control. 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 Alfa Romeo 159 (322 Nm @ 4500 RPM) has 82 more torque (in Nm) than 2006 Opel Astra. (240 Nm @ 2300 RPM). This means 2011 Alfa Romeo 159 will have an easier job in driving up hills or pulling heavy equipment than 2006 Opel Astra.
Compare all specifications:
| 2006 Opel Astra | 2011 Alfa Romeo 159 | |
| Make | Opel | Alfa Romeo |
| Model | Astra | 159 |
| Year Released | 2006 | 2011 |
| Body Type | Hatchback | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 1686 cc | 3195 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 99 HP | 256 HP |
| Engine RPM | 4400 RPM | 6200 RPM |
| Torque | 240 Nm | 322 Nm |
| Torque RPM | 2300 RPM | 4500 RPM |
| Engine Compression Ratio | 18.4:1 | 11.3:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 182 km/hour | 232 km/hour |
| Acceleration 0-100mph | 12.5 seconds | 7.2 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 1365 kg | 1805 kg |
| Vehicle Length | 4300 mm | 4670 mm |
| Vehicle Width | 1760 mm | 1840 mm |
| Vehicle Height | 1440 mm | 1460 mm |
| Wheelbase Size | 2620 mm | 2710 mm |
| Fuel Consumption Overall | 5 L/100km | 11.6 L/100km |
| Fuel Tank Capacity | 52 L | 70 L |
