2002 Alfa Romeo 156 vs. 2009 Opel Astra
To start off, 2009 Opel Astra is newer by 7 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 (4 cylinders), 2009 Opel Astra is equipped with a bigger engine. In terms of performance, 2009 Opel Astra (139 HP @ 5600 RPM) has 1 more horse power than 2002 Alfa Romeo 156. (138 HP @ 6500 RPM) In normal driving conditions, 2009 Opel Astra should accelerate faster than 2002 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2009 Opel Astra weights approximately 360 kg more than 2002 Alfa Romeo 156. 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, 2009 Opel Astra (175 Nm @ 3800 RPM) has 12 more torque (in Nm) than 2002 Alfa Romeo 156. (163 Nm @ 3900 RPM). This means 2009 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 | 2009 Opel Astra | |
| Make | Alfa Romeo | Opel |
| Model | 156 | Astra |
| Year Released | 2002 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 1747 cc | 1796 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 138 HP | 139 HP |
| Engine RPM | 6500 RPM | 5600 RPM |
| Torque | 163 Nm | 175 Nm |
| Torque RPM | 3900 RPM | 3800 RPM |
| Engine Compression Ratio | 10.3:1 | 10.5:1 |
| Top Speed | 203 km/hour | 208 km/hour |
| Acceleration 0-100mph | 9.4 seconds | 10.2 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 | 1265 kg | 1625 kg |
| Vehicle Length | 4440 mm | 4260 mm |
| Vehicle Width | 1750 mm | 1760 mm |
| Vehicle Height | 1420 mm | 1470 mm |
| Wheelbase Size | 2710 mm | 2620 mm |
| Fuel Tank Capacity | 63 L | 52 L |
