2004 Alfa Romeo 147 vs. 2005 Opel Astra
To start off, 2005 Opel Astra is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Alfa Romeo 147. In addition, the cost of maintenance, including insurance, on 2004 Alfa Romeo 147 would be higher. At 1,997 cc, 2005 Opel Astra is equipped with a bigger engine. In terms of performance, 2004 Alfa Romeo 147 (148 HP @ 6300 RPM) has 25 more horse power than 2005 Opel Astra. (123 HP @ 5800 RPM). In normal driving conditions, 2004 Alfa Romeo 147 should accelerate faster than 2005 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2004 Alfa Romeo 147 weights approximately 142 kg more than 2005 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, 2004 Alfa Romeo 147 (181 Nm @ 3800 RPM) has 1 more torque (in Nm) than 2005 Opel Astra. (180 Nm @ 4400 RPM). This means 2004 Alfa Romeo 147 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Astra.
Compare all specifications:
| 2004 Alfa Romeo 147 | 2005 Opel Astra | |
| Make | Alfa Romeo | Opel |
| Model | 147 | Astra |
| Year Released | 2004 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 1970 cc | 1997 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 123 HP |
| Engine RPM | 6300 RPM | 5800 RPM |
| Torque | 181 Nm | 180 Nm |
| Torque RPM | 3800 RPM | 4400 RPM |
| Engine Bore Size | 83 mm | 86 mm |
| Engine Stroke Size | 91 mm | 86 mm |
| Engine Compression Ratio | 10.0:1 | 9.6:1 |
| Top Speed | 208 km/hour | 201 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 1325 kg | 1183 kg |
| Wheelbase Size | 2550 mm | 2500 mm |
| Fuel Consumption Overall | 8.9 L/100km | 11.7 L/100km |
| Fuel Tank Capacity | 60 L | 52 L |
