2006 Alfa Romeo GT vs. 2005 Opel Astra
To start off, 2006 Alfa Romeo GT is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Opel Astra. In addition, the cost of maintenance, including insurance, on 2005 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 123 more horse power than 2005 Opel Astra. (114 HP @ 5400 RPM). In normal driving conditions, 2006 Alfa Romeo GT should accelerate faster than 2005 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2006 Alfa Romeo GT weights approximately 303 kg more than 2005 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 127 more torque (in Nm) than 2005 Opel Astra. (173 Nm @ 3400 RPM). This means 2006 Alfa Romeo GT will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Astra.
Compare all specifications:
| 2006 Alfa Romeo GT | 2005 Opel Astra | |
| Make | Alfa Romeo | Opel |
| Model | GT | Astra |
| Year Released | 2006 | 2005 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3179 cc | 1796 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 237 HP | 114 HP |
| Engine RPM | 6200 RPM | 5400 RPM |
| Torque | 300 Nm | 173 Nm |
| Torque RPM | 4800 RPM | 3400 RPM |
| Engine Bore Size | 93 mm | 80.6 mm |
| Engine Stroke Size | 78 mm | 88.2 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1488 kg | 1185 kg |
| Vehicle Length | 4500 mm | 4260 mm |
| Vehicle Width | 1770 mm | 1720 mm |
| Vehicle Height | 1370 mm | 1400 mm |
| Wheelbase Size | 2600 mm | 2610 mm |
| Fuel Tank Capacity | 63 L | 52 L |
