2008 Alfa Romeo 159 vs. 2005 Opel Astra
To start off, 2008 Alfa Romeo 159 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 1,908 cc (4 cylinders), 2005 Opel Astra is equipped with a bigger engine. In terms of performance, 2008 Alfa Romeo 159 (158 HP @ 6500 RPM) has 58 more horse power than 2005 Opel Astra. (100 HP @ 4300 RPM). In normal driving conditions, 2008 Alfa Romeo 159 should accelerate faster than 2005 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2008 Alfa Romeo 159 weights approximately 260 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, 2005 Opel Astra (230 Nm @ 1950 RPM) has 40 more torque (in Nm) than 2008 Alfa Romeo 159. (190 Nm @ 4500 RPM). This means 2005 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 2008 Alfa Romeo 159.
Compare all specifications:
| 2008 Alfa Romeo 159 | 2005 Opel Astra | |
| Make | Alfa Romeo | Opel |
| Model | 159 | Astra |
| Year Released | 2008 | 2005 |
| Body Type | Station Wagon | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1858 cc | 1908 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 158 HP | 100 HP |
| Engine RPM | 6500 RPM | 4300 RPM |
| Torque | 190 Nm | 230 Nm |
| Torque RPM | 4500 RPM | 1950 RPM |
| Engine Bore Size | 86 mm | 84 mm |
| Engine Stroke Size | 80 mm | 90 mm |
| Engine Compression Ratio | 11.3:1 | 18.5:1 |
| Top Speed | 210 km/hour | 188 km/hour |
| Acceleration 0-100mph | 9.9 seconds | 12 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 3 doors |
| Vehicle Weight | 1605 kg | 1345 kg |
| Vehicle Length | 4670 mm | 4120 mm |
| Vehicle Width | 1840 mm | 1720 mm |
| Vehicle Height | 1460 mm | 1430 mm |
| Wheelbase Size | 2710 mm | 2610 mm |
| Fuel Tank Capacity | 70 L | 52 L |
