2002 Alfa Romeo 156 vs. 2004 Opel Astra
To start off, 2004 Opel Astra is newer by 2 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 1,910 cc (4 cylinders), 2002 Alfa Romeo 156 is equipped with a bigger engine. In terms of performance, 2002 Alfa Romeo 156 (138 HP @ 4000 RPM) has 35 more horse power than 2004 Opel Astra. (103 HP @ 4400 RPM). In normal driving conditions, 2002 Alfa Romeo 156 should accelerate faster than 2004 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2004 Opel Astra weights approximately 35 kg more than 2002 Alfa Romeo 156.
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 (275 Nm @ 2000 RPM) has 44 more torque (in Nm) than 2004 Opel Astra. (231 Nm @ 2300 RPM). This means 2002 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Astra.
Compare all specifications:
| 2002 Alfa Romeo 156 | 2004 Opel Astra | |
| Make | Alfa Romeo | Opel |
| Model | 156 | Astra |
| Year Released | 2002 | 2004 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 1910 cc | 1686 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 138 HP | 103 HP |
| Engine RPM | 4000 RPM | 4400 RPM |
| Torque | 275 Nm | 231 Nm |
| Torque RPM | 2000 RPM | 2300 RPM |
| Engine Bore Size | 82.1 mm | 79 mm |
| Engine Stroke Size | 90.4 mm | 86 mm |
| Fuel Type | Diesel | Diesel |
| Acceleration 0-100mph | 9.3 seconds | 12.5 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 | 1380 kg | 1415 kg |
| Vehicle Length | 4440 mm | 4520 mm |
| Vehicle Width | 1750 mm | 1800 mm |
| Vehicle Height | 1400 mm | 1510 mm |
| Wheelbase Size | 2710 mm | 2840 mm |
| Fuel Consumption Overall | 5.8 L/100km | 4.9 L/100km |
| Fuel Tank Capacity | 63 L | 50 L |
