2002 Alfa Romeo 156 vs. 2006 Opel Astra
To start off, 2006 Opel Astra is newer by 4 year(s). Which means there will be less support and parts availability for 2002 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2002 Alfa Romeo 156 would be higher. At 3,179 cc (6 cylinders), 2002 Alfa Romeo 156 is equipped with a bigger engine. In terms of performance, 2002 Alfa Romeo 156 (248 HP @ 6200 RPM) has 159 more horse power than 2006 Opel Astra. (89 HP @ 5600 RPM). In normal driving conditions, 2002 Alfa Romeo 156 should accelerate faster than 2006 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2002 Alfa Romeo 156 weights approximately 255 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, 2002 Alfa Romeo 156 (300 Nm @ 4800 RPM) has 175 more torque (in Nm) than 2006 Opel Astra. (125 Nm @ 4000 RPM). This means 2002 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 2006 Opel Astra.
Compare all specifications:
| 2002 Alfa Romeo 156 | 2006 Opel Astra | |
| Make | Alfa Romeo | Opel |
| Model | 156 | Astra |
| Year Released | 2002 | 2006 |
| Body Type | Station Wagon | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 3179 cc | 1364 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 248 HP | 89 HP |
| Engine RPM | 6200 RPM | 5600 RPM |
| Torque | 300 Nm | 125 Nm |
| Torque RPM | 4800 RPM | 4000 RPM |
| Engine Bore Size | 93 mm | 73.5 mm |
| Engine Stroke Size | 78 mm | 80.6 mm |
| Engine Compression Ratio | 10.5:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1535 kg | 1280 kg |
| Vehicle Length | 4450 mm | 4520 mm |
| Vehicle Width | 1750 mm | 2000 mm |
| Vehicle Height | 1400 mm | 1510 mm |
| Wheelbase Size | 2600 mm | 2710 mm |
| Fuel Consumption Overall | 12.3 L/100km | 6.3 L/100km |
| Fuel Tank Capacity | 63 L | 52 L |
