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 2,387 cc (6 cylinders), 2003 Alfa Romeo 156 is equipped with a bigger engine. In terms of performance, 2003 Alfa Romeo 156 (189 HP @ 6200 RPM) has 15 more horse power than 2003 Opel Astra. (174 HP @ 5200 RPM). In normal driving conditions, 2003 Alfa Romeo 156 should accelerate faster than 2003 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2003 Alfa Romeo 156 weights approximately 70 kg more than 2003 Opel Astra. 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 33 more torque (in Nm) than 2003 Alfa Romeo 156. (218 Nm @ 5000 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 | 2387 cc | 1998 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 189 HP | 174 HP |
| Engine RPM | 6200 RPM | 5200 RPM |
| Torque | 218 Nm | 251 Nm |
| Torque RPM | 5000 RPM | 1950 RPM |
| Engine Bore Size | 88.1 mm | 86 mm |
| Engine Stroke Size | 68.3 mm | 86 mm |
| Acceleration 0-100mph | 7.3 seconds | 8.9 seconds |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1480 kg | 1410 kg |
| Vehicle Length | 4450 mm | 4260 mm |
| Vehicle Width | 1750 mm | 1760 mm |
| Vehicle Height | 1400 mm | 1470 mm |
| Wheelbase Size | 2710 mm | 2740 mm |
| Fuel Consumption Overall | 11.9 L/100km | 9.1 L/100km |
| Fuel Tank Capacity | 63 L | 52 L |
