2007 Alfa Romeo 159 vs. 2006 Opel Astra
To start off, 2007 Alfa Romeo 159 is newer by 1 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 2,387 cc (5 cylinders), 2007 Alfa Romeo 159 is equipped with a bigger engine. In terms of performance, 2007 Alfa Romeo 159 (198 HP @ 4000 RPM) has 50 more horse power than 2006 Opel Astra. (148 HP @ 4000 RPM). In normal driving conditions, 2007 Alfa Romeo 159 should accelerate faster than 2006 Opel Astra.
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, 2007 Alfa Romeo 159 (400 Nm @ 2000 RPM) has 80 more torque (in Nm) than 2006 Opel Astra. (320 Nm @ 2000 RPM). This means 2007 Alfa Romeo 159 will have an easier job in driving up hills or pulling heavy equipment than 2006 Opel Astra.
Compare all specifications:
| 2007 Alfa Romeo 159 | 2006 Opel Astra | |
| Make | Alfa Romeo | Opel |
| Model | 159 | Astra |
| Year Released | 2007 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 2387 cc | 1910 cc |
| Engine Cylinders | 5 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 198 HP | 148 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 400 Nm | 320 Nm |
| Torque RPM | 2000 RPM | 2000 RPM |
| Engine Bore Size | 82 mm | 83 mm |
| Engine Stroke Size | 90.4 mm | 92 mm |
| Engine Compression Ratio | 17.0:1 | 17.5:1 |
| Fuel Type | Diesel | Diesel |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Width | 1830 mm | 1760 mm |
