2005 Opel Astra vs. 2010 Alfa Romeo GT
To start off, 2010 Alfa Romeo GT is newer by 5 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 1,747 cc (4 cylinders), 2010 Alfa Romeo GT is equipped with a bigger engine. In terms of performance, 2010 Alfa Romeo GT (138 HP @ 6500 RPM) has 54 more horse power than 2005 Opel Astra. (84 HP @ 5400 RPM) In normal driving conditions, 2010 Alfa Romeo GT should accelerate faster than 2005 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2010 Alfa Romeo GT weights approximately 159 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, 2010 Alfa Romeo GT (163 Nm @ 3900 RPM) has 25 more torque (in Nm) than 2005 Opel Astra. (138 Nm @ 2600 RPM). This means 2010 Alfa Romeo GT will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Astra.
Compare all specifications:
| 2005 Opel Astra | 2010 Alfa Romeo GT | |
| Make | Opel | Alfa Romeo |
| Model | Astra | GT |
| Year Released | 2005 | 2010 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1598 cc | 1747 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 84 HP | 138 HP |
| Engine RPM | 5400 RPM | 6500 RPM |
| Torque | 138 Nm | 163 Nm |
| Torque RPM | 2600 RPM | 3900 RPM |
| Engine Bore Size | 79 mm | 82 mm |
| Engine Stroke Size | 81.5 mm | 82.7 mm |
| Engine Compression Ratio | 9.6:1 | 10.3:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 177 km/hour | 200 km/hour |
| Acceleration 0-100mph | 13.5 seconds | 10.6 seconds |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1206 kg | 1365 kg |
| Vehicle Length | 4290 mm | 4500 mm |
| Vehicle Width | 1720 mm | 1770 mm |
| Vehicle Height | 1470 mm | 1370 mm |
| Wheelbase Size | 2620 mm | 2600 mm |
| Fuel Consumption Overall | 7.9 L/100km | 8.5 L/100km |
| Fuel Tank Capacity | 52 L | 63 L |
