2005 Alfa Romeo 156 vs. 2005 Opel Astra
To start off, both 2005 Alfa Romeo 156 and 2005 Opel Astra were released in the same year (2005). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 1,796 cc (4 cylinders), 2005 Opel Astra is equipped with a bigger engine. In terms of performance, 2005 Opel Astra (121 HP @ 5600 RPM) has 3 more horse power than 2005 Alfa Romeo 156. (118 HP @ 6200 RPM) In normal driving conditions, 2005 Opel Astra should accelerate faster than 2005 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2005 Alfa Romeo 156 weights approximately 156 kg more than 2005 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, 2005 Opel Astra (170 Nm @ 3800 RPM) has 24 more torque (in Nm) than 2005 Alfa Romeo 156. (146 Nm @ 4500 RPM). This means 2005 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 2005 Alfa Romeo 156.
Compare all specifications:
| 2005 Alfa Romeo 156 | 2005 Opel Astra | |
| Make | Alfa Romeo | Opel |
| Model | 156 | Astra |
| Year Released | 2005 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 1598 cc | 1796 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 118 HP | 121 HP |
| Engine RPM | 6200 RPM | 5600 RPM |
| Torque | 146 Nm | 170 Nm |
| Torque RPM | 4500 RPM | 3800 RPM |
| Engine Bore Size | 82 mm | 80.5 mm |
| Engine Stroke Size | 75.7 mm | 88.2 mm |
| Engine Compression Ratio | 10.3:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1416 kg | 1260 kg |
| Vehicle Length | 4450 mm | 4260 mm |
| Vehicle Width | 1750 mm | 1760 mm |
| Vehicle Height | 1440 mm | 1470 mm |
| Wheelbase Size | 2550 mm | 2620 mm |
| Fuel Consumption Overall | 7.5 L/100km | 7.8 L/100km |
| Fuel Tank Capacity | 63 L | 52 L |
