2002 Alfa Romeo 156 vs. 2005 Opel Astra
To start off, 2005 Opel Astra is newer by 3 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, 2005 Opel Astra (197 HP @ 5600 RPM) has 84 more horse power than 2002 Alfa Romeo 156. (113 HP @ 4000 RPM) In normal driving conditions, 2005 Opel Astra should accelerate faster than 2002 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Astra weights approximately 185 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, 2002 Alfa Romeo 156 (275 Nm @ 2000 RPM) has 25 more torque (in Nm) than 2005 Opel Astra. (250 Nm @ 1950 RPM). This means 2002 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Astra.
Compare all specifications:
| 2002 Alfa Romeo 156 | 2005 Opel Astra | |
| Make | Alfa Romeo | Opel |
| Model | 156 | Astra |
| Year Released | 2002 | 2005 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1910 cc | 1909 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 113 HP | 197 HP |
| Engine RPM | 4000 RPM | 5600 RPM |
| Torque | 275 Nm | 250 Nm |
| Torque RPM | 2000 RPM | 1950 RPM |
| Engine Compression Ratio | 18.5:1 | 8.8:1 |
| Top Speed | 186 km/hour | 245 km/hour |
| Acceleration 0-100mph | 10.3 seconds | 7.5 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1305 kg | 1490 kg |
| Vehicle Length | 4440 mm | 4270 mm |
| Vehicle Width | 1750 mm | 1720 mm |
| Vehicle Height | 1420 mm | 1400 mm |
| Wheelbase Size | 2600 mm | 2640 mm |
| Fuel Consumption Overall | 5.9 L/100km | 9.1 L/100km |
| Fuel Tank Capacity | 63 L | 52 L |
