2005 Alfa Romeo 156 vs. 2005 Opel Astra
To start off, both 2005 Alfa Romeo 156 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 2,492 cc (6 cylinders), 2005 Alfa Romeo 156 is equipped with a bigger engine. In terms of performance, 2005 Alfa Romeo 156 (185 HP @ 5000 RPM) has 62 more horse power than 2005 Opel Astra. (123 HP @ 5600 RPM). In normal driving conditions, 2005 Alfa Romeo 156 should accelerate faster than 2005 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Alfa Romeo 156 weights approximately 215 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 Alfa Romeo 156 (222 Nm @ 5000 RPM) has 51 more torque (in Nm) than 2005 Opel Astra. (171 Nm @ 3800 RPM). This means 2005 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Astra.
Compare all specifications:
| 2005 Alfa Romeo 156 | 2005 Opel Astra | |
| Make | Alfa Romeo | Opel |
| Model | 156 | Astra |
| Year Released | 2005 | 2005 |
| Body Type | Station Wagon | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 1796 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 185 HP | 123 HP |
| Engine RPM | 5000 RPM | 5600 RPM |
| Torque | 222 Nm | 171 Nm |
| Torque RPM | 5000 RPM | 3800 RPM |
| Engine Bore Size | 88 mm | 80.5 mm |
| Engine Stroke Size | 68.3 mm | 88.2 mm |
| Top Speed | 225 km/hour | 200 km/hour |
| Acceleration 0-100mph | 8.4 seconds | 10 seconds |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1490 kg | 1275 kg |
| Vehicle Length | 4450 mm | 4290 mm |
| Vehicle Width | 1750 mm | 1720 mm |
| Vehicle Height | 1440 mm | 1470 mm |
| Wheelbase Size | 2710 mm | 2710 mm |
| Fuel Consumption Overall | 11.8 L/100km | 8 L/100km |
| Fuel Tank Capacity | 72 L | 52 L |
