2006 Alfa Romeo GT vs. 2003 Opel Astra
To start off, 2006 Alfa Romeo GT is newer by 3 year(s). Which means there will be less support and parts availability for 2003 Opel Astra. In addition, the cost of maintenance, including insurance, on 2003 Opel Astra would be higher. At 3,179 cc (6 cylinders), 2006 Alfa Romeo GT is equipped with a bigger engine. In terms of performance, 2006 Alfa Romeo GT (237 HP @ 6200 RPM) has 95 more horse power than 2003 Opel Astra. (142 HP @ 5600 RPM). In normal driving conditions, 2006 Alfa Romeo GT should accelerate faster than 2003 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2006 Alfa Romeo GT weights approximately 338 kg more than 2003 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, 2006 Alfa Romeo GT (300 Nm @ 4800 RPM) has 96 more torque (in Nm) than 2003 Opel Astra. (204 Nm @ 4000 RPM). This means 2006 Alfa Romeo GT will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Astra.
Compare all specifications:
| 2006 Alfa Romeo GT | 2003 Opel Astra | |
| Make | Alfa Romeo | Opel |
| Model | GT | Astra |
| Year Released | 2006 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 3179 cc | 2198 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 237 HP | 142 HP |
| Engine RPM | 6200 RPM | 5600 RPM |
| Torque | 300 Nm | 204 Nm |
| Torque RPM | 4800 RPM | 4000 RPM |
| Engine Bore Size | 93 mm | 86 mm |
| Engine Stroke Size | 78 mm | 94.6 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 243 km/hour | 208 km/hour |
| Acceleration 0-100mph | 6.7 seconds | 10 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1488 kg | 1150 kg |
| Vehicle Length | 4500 mm | 4120 mm |
| Vehicle Width | 1770 mm | 1720 mm |
| Vehicle Height | 1370 mm | 1430 mm |
| Wheelbase Size | 2600 mm | 2740 mm |
| Fuel Consumption Overall | 12.4 L/100km | 8.1 L/100km |
| Fuel Tank Capacity | 63 L | 53 L |
