2002 Alfa Romeo 156 vs. 2011 Opel Astra
To start off, 2011 Opel Astra is newer by 9 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 1,795 cc (4 cylinders), 2011 Opel Astra is equipped with a bigger engine. In terms of performance, 2011 Opel Astra (138 HP @ 5600 RPM) has 18 more horse power than 2002 Alfa Romeo 156. (120 HP @ 6200 RPM) In normal driving conditions, 2011 Opel Astra should accelerate faster than 2002 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2011 Opel Astra weights approximately 48 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, 2011 Opel Astra (175 Nm @ 3800 RPM) has 28 more torque (in Nm) than 2002 Alfa Romeo 156. (147 Nm @ 4500 RPM). This means 2011 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 | 2011 Opel Astra | |
| Make | Alfa Romeo | Opel |
| Model | 156 | Astra |
| Year Released | 2002 | 2011 |
| Engine Position | Front | Front |
| Engine Size | 1598 cc | 1795 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 120 HP | 138 HP |
| Engine RPM | 6200 RPM | 5600 RPM |
| Torque | 147 Nm | 175 Nm |
| Torque RPM | 4500 RPM | 3800 RPM |
| Engine Bore Size | 82 mm | 80.5 mm |
| Engine Stroke Size | 75.6 mm | 88.2 mm |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 200 km/hour | 208 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1230 kg | 1278 kg |
| Vehicle Length | 4440 mm | 4260 mm |
| Vehicle Width | 1750 mm | 1760 mm |
| Vehicle Height | 1400 mm | 1470 mm |
| Wheelbase Size | 2710 mm | 2620 mm |
| Fuel Consumption Overall | 8.2 L/100km | 7.3 L/100km |
| Fuel Tank Capacity | 63 L | 52 L |
