2003 Alfa Romeo GT 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 GT. In addition, the cost of maintenance, including insurance, on 2003 Alfa Romeo GT would be higher. At 1,910 cc (4 cylinders), 2003 Alfa Romeo GT is equipped with a bigger engine. In terms of performance, 2003 Alfa Romeo GT (162 HP @ 6400 RPM) has 39 more horse power than 2006 Opel Astra. (123 HP @ 5600 RPM). In normal driving conditions, 2003 Alfa Romeo GT should accelerate faster than 2006 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2003 Alfa Romeo GT weights approximately 15 kg more than 2006 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, 2003 Alfa Romeo GT (206 Nm @ 3250 RPM) has 36 more torque (in Nm) than 2006 Opel Astra. (170 Nm @ 3800 RPM). This means 2003 Alfa Romeo GT will have an easier job in driving up hills or pulling heavy equipment than 2006 Opel Astra.
Compare all specifications:
| 2003 Alfa Romeo GT | 2006 Opel Astra | |
| Make | Alfa Romeo | Opel |
| Model | GT | Astra |
| Year Released | 2003 | 2006 |
| Body Type | Coupe | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 1910 cc | 1796 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 162 HP | 123 HP |
| Engine RPM | 6400 RPM | 5600 RPM |
| Torque | 206 Nm | 170 Nm |
| Torque RPM | 3250 RPM | 3800 RPM |
| Engine Bore Size | 83.1 mm | 80.5 mm |
| Engine Stroke Size | 91 mm | 88.2 mm |
| Engine Compression Ratio | 11.3:1 | 10.5:1 |
| Acceleration 0-100mph | 8.7 seconds | 10.9 seconds |
| Drive Type | Front | Front |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1340 kg | 1325 kg |
| Vehicle Length | 4500 mm | 4520 mm |
| Vehicle Width | 1770 mm | 1800 mm |
| Vehicle Height | 1370 mm | 1510 mm |
| Wheelbase Size | 2710 mm | 2710 mm |
| Fuel Consumption Overall | 8.7 L/100km | 8 L/100km |
| Fuel Tank Capacity | 60 L | 52 L |
