2004 Alfa Romeo 156 vs. 2008 Opel Astra
To start off, 2008 Opel Astra is newer by 4 year(s). Which means there will be less support and parts availability for 2004 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2004 Alfa Romeo 156 would be higher. At 1,969 cc (4 cylinders), 2004 Alfa Romeo 156 is equipped with a bigger engine. In terms of performance, 2008 Opel Astra (148 HP @ 4000 RPM) has 35 more horse power than 2004 Alfa Romeo 156. (113 HP @ 4000 RPM) In normal driving conditions, 2008 Opel Astra should accelerate faster than 2004 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2004 Alfa Romeo 156 weights approximately 7 kg more than 2008 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, 2008 Opel Astra (320 Nm @ 2000 RPM) has 45 more torque (in Nm) than 2004 Alfa Romeo 156. (275 Nm @ 2000 RPM). This means 2008 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 2004 Alfa Romeo 156.
Compare all specifications:
| 2004 Alfa Romeo 156 | 2008 Opel Astra | |
| Make | Alfa Romeo | Opel |
| Model | 156 | Astra |
| Year Released | 2004 | 2008 |
| Engine Position | Front | Front |
| Engine Size | 1969 cc | 1910 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 113 HP | 148 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 275 Nm | 320 Nm |
| Torque RPM | 2000 RPM | 2000 RPM |
| Engine Bore Size | 82 mm | 83 mm |
| Engine Stroke Size | 90.4 mm | 92 mm |
| Engine Compression Ratio | 18.4:1 | 17.5:1 |
| Fuel Type | Diesel | Diesel |
| Top Speed | 191 km/hour | 210 km/hour |
| Acceleration 0-100mph | 10.3 seconds | 8.9 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1405 kg | 1398 kg |
| Vehicle Length | 4440 mm | 3510 mm |
| Vehicle Width | 1750 mm | 1760 mm |
| Vehicle Height | 1400 mm | 1440 mm |
| Wheelbase Size | 2550 mm | 2620 mm |
| Fuel Consumption Overall | 5.8 L/100km | 5.8 L/100km |
| Fuel Tank Capacity | 63 L | 52 L |
