2003 Opel Astra vs. 2005 Alfa Romeo 147
To start off, 2005 Alfa Romeo 147 is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Opel Astra. In addition, the cost of maintenance, including insurance, on 2003 Opel Astra would be higher. At 2,198 cc (4 cylinders), 2003 Opel Astra is equipped with a bigger engine. In terms of performance, 2005 Alfa Romeo 147 (148 HP @ 6300 RPM) has 3 more horse power than 2003 Opel Astra. (145 HP @ 5800 RPM) In normal driving conditions, 2005 Alfa Romeo 147 should accelerate faster than 2003 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Alfa Romeo 147 weights approximately 27 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 (203 Nm @ 4000 RPM) has 22 more torque (in Nm) than 2005 Alfa Romeo 147. (181 Nm @ 3800 RPM). This means 2003 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 2005 Alfa Romeo 147.
Compare all specifications:
| 2003 Opel Astra | 2005 Alfa Romeo 147 | |
| Make | Opel | Alfa Romeo |
| Model | Astra | 147 |
| Year Released | 2003 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 2198 cc | 1908 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 145 HP | 148 HP |
| Engine RPM | 5800 RPM | 6300 RPM |
| Torque | 203 Nm | 181 Nm |
| Torque RPM | 4000 RPM | 3800 RPM |
| Engine Bore Size | 86 mm | 83 mm |
| Engine Stroke Size | 94.6 mm | 91 mm |
| Engine Compression Ratio | 10.0:1 | 10.0:1 |
| Top Speed | 208 km/hour | 208 km/hour |
| Acceleration 0-100mph | 10 seconds | 9.3 seconds |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 3 doors |
| Vehicle Weight | 1298 kg | 1325 kg |
| Vehicle Length | 4120 mm | 4180 mm |
| Vehicle Width | 1720 mm | 1740 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2500 mm | 2550 mm |
| Fuel Consumption Overall | 8.4 L/100km | 8.9 L/100km |
| Fuel Tank Capacity | 52 L | 60 L |
