2009 Alfa Romeo GT vs. 2005 Opel Vectra
To start off, 2009 Alfa Romeo GT is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Opel Vectra. In addition, the cost of maintenance, including insurance, on 2005 Opel Vectra would be higher. At 3,179 cc (6 cylinders), 2009 Alfa Romeo GT is equipped with a bigger engine. In terms of performance, 2009 Alfa Romeo GT (237 HP @ 6200 RPM) has 138 more horse power than 2005 Opel Vectra. (99 HP @ 4000 RPM). In normal driving conditions, 2009 Alfa Romeo GT should accelerate faster than 2005 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Vectra weights approximately 9 kg more than 2009 Alfa Romeo GT.
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 Alfa Romeo GT (300 Nm @ 4800 RPM) has 70 more torque (in Nm) than 2005 Opel Vectra. (230 Nm @ 1500 RPM). This means 2009 Alfa Romeo GT will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Vectra.
Compare all specifications:
| 2009 Alfa Romeo GT | 2005 Opel Vectra | |
| Make | Alfa Romeo | Opel |
| Model | GT | Vectra |
| Year Released | 2009 | 2005 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3179 cc | 1994 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 237 HP | 99 HP |
| Engine RPM | 6200 RPM | 4000 RPM |
| Torque | 300 Nm | 230 Nm |
| Torque RPM | 4800 RPM | 1500 RPM |
| Engine Bore Size | 93.1 mm | 84 mm |
| Engine Stroke Size | 78 mm | 90 mm |
| Engine Compression Ratio | 10.0:1 | 18.5:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Acceleration 0-100mph | 6.7 seconds | 13 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1485 kg | 1494 kg |
| Vehicle Length | 4500 mm | 4600 mm |
| Vehicle Width | 1770 mm | 1800 mm |
| Vehicle Height | 1370 mm | 1470 mm |
| Wheelbase Size | 2600 mm | 2610 mm |
| Fuel Consumption Overall | 12.4 L/100km | 5.7 L/100km |
| Fuel Tank Capacity | 63 L | 61 L |
