2002 Alfa Romeo 156 vs. 2005 Opel Astra
To start off, 2005 Opel Astra is newer by 3 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 1,796 cc, 2005 Opel Astra is equipped with a bigger engine. In terms of performance, 2005 Opel Astra (130 HP @ 4500 RPM) has 12 more horse power than 2002 Alfa Romeo 156. (118 HP @ 6200 RPM) In normal driving conditions, 2005 Opel Astra should accelerate faster than 2002 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2002 Alfa Romeo 156 weights approximately 241 kg more than 2005 Opel Astra.
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 (166 Nm @ 4400 RPM) has 20 more torque (in Nm) than 2002 Alfa Romeo 156. (146 Nm @ 4200 RPM). This means 2005 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 2002 Alfa Romeo 156.
Compare all specifications:
| 2002 Alfa Romeo 156 | 2005 Opel Astra | |
| Make | Alfa Romeo | Opel |
| Model | 156 | Astra |
| Year Released | 2002 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 1598 cc | 1796 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 118 HP | 130 HP |
| Engine RPM | 6200 RPM | 4500 RPM |
| Torque | 146 Nm | 166 Nm |
| Torque RPM | 4200 RPM | 4400 RPM |
| Engine Bore Size | 82 mm | 80.5 mm |
| Engine Stroke Size | 75.6 mm | 88.2 mm |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1344 kg | 1103 kg |
| Wheelbase Size | 2600 mm | 2710 mm |
| Fuel Tank Capacity | 63 L | 52 L |
