2005 Alfa Romeo 159 vs. 2005 Opel Astra
To start off, both 2005 Alfa Romeo 159 and 2005 Opel Astra were released in the same year (2005). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 3,175 cc (6 cylinders), 2005 Alfa Romeo 159 is equipped with a bigger engine. In terms of performance, 2005 Alfa Romeo 159 (247 HP @ 6200 RPM) has 50 more horse power than 2005 Opel Astra. (197 HP @ 5600 RPM). In normal driving conditions, 2005 Alfa Romeo 159 should accelerate faster than 2005 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Alfa Romeo 159 weights approximately 350 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.
Because 2005 Alfa Romeo 159 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Opel Astra. In wet, icy, snow, or gravel driving conditions, 2005 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, 2005 Alfa Romeo 159 (322 Nm @ 4500 RPM) has 72 more torque (in Nm) than 2005 Opel Astra. (250 Nm @ 1950 RPM). This means 2005 Alfa Romeo 159 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Astra.
Compare all specifications:
| 2005 Alfa Romeo 159 | 2005 Opel Astra | |
| Make | Alfa Romeo | Opel |
| Model | 159 | Astra |
| Year Released | 2005 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 3175 cc | 1996 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 247 HP | 197 HP |
| Engine RPM | 6200 RPM | 5600 RPM |
| Torque | 322 Nm | 250 Nm |
| Torque RPM | 4500 RPM | 1950 RPM |
| Engine Bore Size | 87.5 mm | 86 mm |
| Engine Stroke Size | 88 mm | 86 mm |
| Engine Compression Ratio | 11.3:1 | 8.8:1 |
| Top Speed | 240 km/hour | 245 km/hour |
| Acceleration 0-100mph | 7 seconds | 7.5 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1740 kg | 1390 kg |
| Vehicle Length | 4670 mm | 4270 mm |
| Vehicle Width | 1830 mm | 1720 mm |
| Vehicle Height | 1420 mm | 1400 mm |
| Wheelbase Size | 2710 mm | 2620 mm |
| Fuel Consumption Overall | 11.7 L/100km | 8.8 L/100km |
| Fuel Tank Capacity | 70 L | 52 L |
