2002 Alfa Romeo 147 vs. 2005 Opel Astra
To start off, 2005 Opel Astra is newer by 3 year(s). Which means there will be less support and parts availability for 2002 Alfa Romeo 147. In addition, the cost of maintenance, including insurance, on 2002 Alfa Romeo 147 would be higher. At 1,970 cc (4 cylinders), 2002 Alfa Romeo 147 is equipped with a bigger engine. In terms of performance, 2005 Opel Astra (197 HP @ 5600 RPM) has 49 more horse power than 2002 Alfa Romeo 147. (148 HP @ 6300 RPM) In normal driving conditions, 2005 Opel Astra should accelerate faster than 2002 Alfa Romeo 147. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Astra weights approximately 165 kg more than 2002 Alfa Romeo 147. 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 Opel Astra (250 Nm @ 1950 RPM) has 69 more torque (in Nm) than 2002 Alfa Romeo 147. (181 Nm @ 3800 RPM). This means 2005 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 2002 Alfa Romeo 147.
Compare all specifications:
| 2002 Alfa Romeo 147 | 2005 Opel Astra | |
| Make | Alfa Romeo | Opel |
| Model | 147 | Astra |
| Year Released | 2002 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 1970 cc | 1909 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 197 HP |
| Engine RPM | 6300 RPM | 5600 RPM |
| Torque | 181 Nm | 250 Nm |
| Torque RPM | 3800 RPM | 1950 RPM |
| Engine Bore Size | 83 mm | 86 mm |
| Engine Stroke Size | 91 mm | 86 mm |
| Engine Compression Ratio | 10.0:1 | 8.8:1 |
| Top Speed | 208 km/hour | 245 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Weight | 1325 kg | 1490 kg |
| Vehicle Length | 4180 mm | 4270 mm |
| Vehicle Width | 1740 mm | 1720 mm |
| Vehicle Height | 1470 mm | 1400 mm |
| Wheelbase Size | 2550 mm | 2640 mm |
| Fuel Consumption Overall | 8.9 L/100km | 9.1 L/100km |
| Fuel Tank Capacity | 60 L | 52 L |
