2005 Alfa Romeo 147 vs. 2001 Opel Astra
To start off, 2005 Alfa Romeo 147 is newer by 4 year(s). Which means there will be less support and parts availability for 2001 Opel Astra. In addition, the cost of maintenance, including insurance, on 2001 Opel Astra would be higher. At 2,171 cc (4 cylinders), 2001 Opel Astra is equipped with a bigger engine. In terms of performance, 2001 Opel Astra (152 HP @ 5400 RPM) has 4 more horse power than 2005 Alfa Romeo 147. (148 HP @ 3800 RPM) In normal driving conditions, 2001 Opel Astra should accelerate faster than 2005 Alfa Romeo 147. With that said, vehicle weight also plays an important factor in acceleration. 2001 Opel Astra weights approximately 64 kg more than 2005 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, 2001 Opel Astra (203 Nm @ 4000 RPM) has 22 more torque (in Nm) than 2005 Alfa Romeo 147. (181 Nm @ 3800 RPM). This means 2001 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 2005 Alfa Romeo 147.
Compare all specifications:
| 2005 Alfa Romeo 147 | 2001 Opel Astra | |
| Make | Alfa Romeo | Opel |
| Model | 147 | Astra |
| Year Released | 2005 | 2001 |
| Engine Position | Front | Front |
| Engine Size | 1970 cc | 2171 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 152 HP |
| Engine RPM | 3800 RPM | 5400 RPM |
| Torque | 181 Nm | 203 Nm |
| Torque RPM | 3800 RPM | 4000 RPM |
| Engine Bore Size | 83 mm | 86 mm |
| Engine Stroke Size | 91 mm | 94.6 mm |
| Engine Compression Ratio | 10.0:1 | 9.6:1 |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Weight | 1326 kg | 1390 kg |
| Vehicle Length | 4180 mm | 4280 mm |
| Vehicle Width | 1740 mm | 1720 mm |
| Vehicle Height | 1470 mm | 1400 mm |
| Wheelbase Size | 2710 mm | 2620 mm |
| Fuel Tank Capacity | 60 L | 53 L |
