2005 Alfa Romeo 159 vs. 2007 Opel Astra
To start off, 2007 Opel Astra is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Alfa Romeo 159. In addition, the cost of maintenance, including insurance, on 2005 Alfa Romeo 159 would be higher. At 2,197 cc (4 cylinders), 2005 Alfa Romeo 159 is equipped with a bigger engine. In terms of performance, 2007 Opel Astra (237 HP @ 5600 RPM) has 55 more horse power than 2005 Alfa Romeo 159. (182 HP @ 6500 RPM) In normal driving conditions, 2007 Opel Astra should accelerate faster than 2005 Alfa Romeo 159. With that said, vehicle weight also plays an important factor in acceleration. 2005 Alfa Romeo 159 weights approximately 92 kg more than 2007 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 Opel Astra (320 Nm @ 2400 RPM) has 90 more torque (in Nm) than 2005 Alfa Romeo 159. (230 Nm @ 4500 RPM). This means 2007 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 2005 Alfa Romeo 159.
Compare all specifications:
| 2005 Alfa Romeo 159 | 2007 Opel Astra | |
| Make | Alfa Romeo | Opel |
| Model | 159 | Astra |
| Year Released | 2005 | 2007 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2197 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 182 HP | 237 HP |
| Engine RPM | 6500 RPM | 5600 RPM |
| Torque | 230 Nm | 320 Nm |
| Torque RPM | 4500 RPM | 2400 RPM |
| Engine Bore Size | 86 mm | 86 mm |
| Engine Stroke Size | 94.6 mm | 86 mm |
| Engine Compression Ratio | 11.3:1 | 8.8:1 |
| Top Speed | 222 km/hour | 244 km/hour |
| Acceleration 0-100mph | 8.8 seconds | 6.4 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1490 kg | 1398 kg |
| Vehicle Length | 4670 mm | 4300 mm |
| Vehicle Width | 1830 mm | 1760 mm |
| Vehicle Height | 1420 mm | 1410 mm |
| Wheelbase Size | 2600 mm | 2620 mm |
| Fuel Consumption Overall | 9.4 L/100km | 9.2 L/100km |
| Fuel Tank Capacity | 70 L | 52 L |
