2006 Alfa Romeo 156 vs. 2006 Opel Astra
To start off, both 2006 Alfa Romeo 156 and 2006 Opel Astra were released in the same year (2006). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 2,492 cc (6 cylinders), 2006 Alfa Romeo 156 is equipped with a bigger engine. In terms of performance, 2006 Alfa Romeo 156 (189 HP @ 6300 RPM) has 85 more horse power than 2006 Opel Astra. (104 HP @ 6000 RPM). In normal driving conditions, 2006 Alfa Romeo 156 should accelerate faster than 2006 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2006 Alfa Romeo 156 weights approximately 270 kg more than 2006 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, 2006 Alfa Romeo 156 (218 Nm @ 5000 RPM) has 68 more torque (in Nm) than 2006 Opel Astra. (150 Nm @ 3900 RPM). This means 2006 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 2006 Opel Astra.
Compare all specifications:
| 2006 Alfa Romeo 156 | 2006 Opel Astra | |
| Make | Alfa Romeo | Opel |
| Model | 156 | Astra |
| Year Released | 2006 | 2006 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 1598 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 189 HP | 104 HP |
| Engine RPM | 6300 RPM | 6000 RPM |
| Torque | 218 Nm | 150 Nm |
| Torque RPM | 5000 RPM | 3900 RPM |
| Engine Bore Size | 88 mm | 79 mm |
| Engine Stroke Size | 68.3 mm | 81.5 mm |
| Engine Compression Ratio | 10.3:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 230 km/hour | 185 km/hour |
| Acceleration 0-100mph | 7.3 seconds | 12.7 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1585 kg | 1315 kg |
| Vehicle Length | 4440 mm | 4520 mm |
| Vehicle Width | 1750 mm | 1800 mm |
| Vehicle Height | 1440 mm | 1510 mm |
| Wheelbase Size | 2600 mm | 2710 mm |
| Fuel Consumption Overall | 12 L/100km | 6.7 L/100km |
| Fuel Tank Capacity | 63 L | 52 L |
