2003 Alfa Romeo 156 vs. 2003 Opel Astra
To start off, both 2003 Alfa Romeo 156 and 2003 Opel Astra were released in the same year (2003). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 1,998 cc (4 cylinders), 2003 Opel Astra is equipped with a bigger engine. In terms of performance, 2003 Opel Astra (174 HP @ 5200 RPM) has 12 more horse power than 2003 Alfa Romeo 156. (162 HP @ 6400 RPM) In normal driving conditions, 2003 Opel Astra should accelerate faster than 2003 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Astra weights approximately 125 kg more than 2003 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, 2003 Opel Astra (251 Nm @ 1950 RPM) has 45 more torque (in Nm) than 2003 Alfa Romeo 156. (206 Nm @ 3250 RPM). This means 2003 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 2003 Alfa Romeo 156.
Compare all specifications:
| 2003 Alfa Romeo 156 | 2003 Opel Astra | |
| Make | Alfa Romeo | Opel |
| Model | 156 | Astra |
| Year Released | 2003 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 1968 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 162 HP | 174 HP |
| Engine RPM | 6400 RPM | 5200 RPM |
| Torque | 206 Nm | 251 Nm |
| Torque RPM | 3250 RPM | 1950 RPM |
| Engine Bore Size | 83 mm | 86 mm |
| Engine Stroke Size | 91 mm | 86 mm |
| Top Speed | 220 km/hour | 217 km/hour |
| Acceleration 0-100mph | 8.2 seconds | 8.9 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 | 1285 kg | 1410 kg |
| Vehicle Length | 4440 mm | 4260 mm |
| Vehicle Width | 1750 mm | 1760 mm |
| Vehicle Height | 1440 mm | 1470 mm |
| Wheelbase Size | 2550 mm | 2740 mm |
| Fuel Consumption | 6.6 L/100km | 6.9 L/100km |
| Fuel Consumption City | 12.2 L/100km | 12.9 L/100km |
| Fuel Consumption Overall | 8.6 L/100km | 9.1 L/100km |
| Fuel Tank Capacity | 63 L | 52 L |
