2002 Alfa Romeo 156 vs. 2007 Opel Astra
To start off, 2007 Opel Astra is newer by 5 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 2,385 cc (5 cylinders), 2002 Alfa Romeo 156 is equipped with a bigger engine. In terms of performance, 2002 Alfa Romeo 156 (148 HP @ 4000 RPM) has 59 more horse power than 2007 Opel Astra. (89 HP @ 4000 RPM). In normal driving conditions, 2002 Alfa Romeo 156 should accelerate faster than 2007 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2002 Alfa Romeo 156 weights approximately 105 kg more than 2007 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 (305 Nm @ 1800 RPM) has 105 more torque (in Nm) than 2007 Opel Astra. (200 Nm @ 1750 RPM). This means 2002 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 2007 Opel Astra.
Compare all specifications:
| 2002 Alfa Romeo 156 | 2007 Opel Astra | |
| Make | Alfa Romeo | Opel |
| Model | 156 | Astra |
| Year Released | 2002 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 2385 cc | 1248 cc |
| Engine Cylinders | 5 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 148 HP | 89 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 305 Nm | 200 Nm |
| Torque RPM | 1800 RPM | 1750 RPM |
| Engine Bore Size | 82 mm | 69.6 mm |
| Engine Stroke Size | 90.4 mm | 82 mm |
| Engine Compression Ratio | 18.5:1 | 18.0:1 |
| Fuel Type | Diesel | Diesel |
| Top Speed | 212 km/hour | 172 km/hour |
| Acceleration 0-100mph | 9.4 seconds | 14 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1435 kg | 1330 kg |
| Vehicle Length | 4440 mm | 4260 mm |
| Vehicle Width | 1750 mm | 1760 mm |
| Vehicle Height | 1440 mm | 1470 mm |
| Wheelbase Size | 2600 mm | 2620 mm |
| Fuel Tank Capacity | 63 L | 52 L |
