2003 Alfa Romeo 147 vs. 2006 Opel Astra
To start off, 2006 Opel Astra is newer by 3 year(s). Which means there will be less support and parts availability for 2003 Alfa Romeo 147. In addition, the cost of maintenance, including insurance, on 2003 Alfa Romeo 147 would be higher. At 3,178 cc (6 cylinders), 2003 Alfa Romeo 147 is equipped with a bigger engine. In terms of performance, 2003 Alfa Romeo 147 (247 HP @ 6200 RPM) has 79 more horse power than 2006 Opel Astra. (168 HP @ 5200 RPM). In normal driving conditions, 2003 Alfa Romeo 147 should accelerate faster than 2006 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2006 Opel Astra weights approximately 250 kg more than 2003 Alfa Romeo 147.
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 Alfa Romeo 147 (300 Nm @ 4800 RPM) has 50 more torque (in Nm) than 2006 Opel Astra. (250 Nm @ 1950 RPM). This means 2003 Alfa Romeo 147 will have an easier job in driving up hills or pulling heavy equipment than 2006 Opel Astra.
Compare all specifications:
| 2003 Alfa Romeo 147 | 2006 Opel Astra | |
| Make | Alfa Romeo | Opel |
| Model | 147 | Astra |
| Year Released | 2003 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 3178 cc | 1998 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 247 HP | 168 HP |
| Engine RPM | 6200 RPM | 5200 RPM |
| Torque | 300 Nm | 250 Nm |
| Torque RPM | 4800 RPM | 1950 RPM |
| Engine Bore Size | 93 mm | 86 mm |
| Engine Stroke Size | 78 mm | 86 mm |
| Engine Compression Ratio | 10.5:1 | 8.8:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 246 km/hour | 224 km/hour |
| Acceleration 0-100mph | 6.2 seconds | 9.5 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Weight | 1265 kg | 1515 kg |
| Vehicle Length | 4180 mm | 4480 mm |
| Vehicle Width | 1740 mm | 2030 mm |
| Vehicle Height | 1450 mm | 1420 mm |
| Wheelbase Size | 2710 mm | 2620 mm |
| Fuel Consumption Overall | 7.5 L/100km | 9.4 L/100km |
| Fuel Tank Capacity | 63 L | 52 L |
