2005 Alfa Romeo 147 vs. 2003 Opel Astra
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 1,970 cc (4 cylinders), 2005 Alfa Romeo 147 is equipped with a bigger engine. In terms of performance, 2005 Alfa Romeo 147 (148 HP @ 3800 RPM) has 59 more horse power than 2003 Opel Astra. (89 HP @ 6000 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 136 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, 2005 Alfa Romeo 147 (181 Nm @ 3800 RPM) has 56 more torque (in Nm) than 2003 Opel Astra. (125 Nm @ 4000 RPM). This means 2005 Alfa Romeo 147 will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Astra.
Compare all specifications:
| 2005 Alfa Romeo 147 | 2003 Opel Astra | |
| Make | Alfa Romeo | Opel |
| Model | 147 | Astra |
| Year Released | 2005 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 1970 cc | 1388 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 89 HP |
| Engine RPM | 3800 RPM | 6000 RPM |
| Torque | 181 Nm | 125 Nm |
| Torque RPM | 3800 RPM | 4000 RPM |
| Engine Bore Size | 83 mm | 77.6 mm |
| Engine Stroke Size | 91 mm | 73.4 mm |
| Engine Compression Ratio | 10.0:1 | 10.5:1 |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 1326 kg | 1190 kg |
| Vehicle Length | 4180 mm | 4260 mm |
| Vehicle Width | 1740 mm | 1720 mm |
| Vehicle Height | 1470 mm | 1470 mm |
| Wheelbase Size | 2710 mm | 2620 mm |
| Fuel Tank Capacity | 60 L | 52 L |
