2003 Alfa Romeo GT vs. 2009 Opel Astra
To start off, 2009 Opel Astra is newer by 6 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 1,998 cc (4 cylinders), 2009 Opel Astra is equipped with a bigger engine. In terms of performance, 2009 Opel Astra (197 HP @ 5600 RPM) has 35 more horse power than 2003 Alfa Romeo GT. (162 HP @ 6400 RPM) In normal driving conditions, 2009 Opel Astra should accelerate faster than 2003 Alfa Romeo GT. With that said, vehicle weight also plays an important factor in acceleration. 2009 Opel Astra weights approximately 45 kg more than 2003 Alfa Romeo GT. 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, 2009 Opel Astra (262 Nm @ 4200 RPM) has 56 more torque (in Nm) than 2003 Alfa Romeo GT. (206 Nm @ 3250 RPM). This means 2009 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 2003 Alfa Romeo GT.
Compare all specifications:
| 2003 Alfa Romeo GT | 2009 Opel Astra | |
| Make | Alfa Romeo | Opel |
| Model | GT | Astra |
| Year Released | 2003 | 2009 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1910 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 162 HP | 197 HP |
| Engine RPM | 6400 RPM | 5600 RPM |
| Torque | 206 Nm | 262 Nm |
| Torque RPM | 3250 RPM | 4200 RPM |
| Engine Bore Size | 83.1 mm | 86.1 mm |
| Engine Stroke Size | 91 mm | 86 mm |
| Engine Compression Ratio | 11.3:1 | 8.8:1 |
| Acceleration 0-100mph | 8.7 seconds | 8.2 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1340 kg | 1385 kg |
| Vehicle Length | 4500 mm | 4260 mm |
| Vehicle Width | 1770 mm | 1760 mm |
| Vehicle Height | 1370 mm | 1470 mm |
| Wheelbase Size | 2710 mm | 2620 mm |
| Fuel Consumption Overall | 8.7 L/100km | 9.3 L/100km |
| Fuel Tank Capacity | 60 L | 52 L |
