2003 Alfa Romeo GT vs. 2007 Opel Vectra
To start off, 2007 Opel Vectra is newer by 4 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 3,179 cc (6 cylinders), 2003 Alfa Romeo GT is equipped with a bigger engine. In terms of performance, 2003 Alfa Romeo GT (237 HP @ 6200 RPM) has 84 more horse power than 2007 Opel Vectra. (153 HP @ 5600 RPM). In normal driving conditions, 2003 Alfa Romeo GT should accelerate faster than 2007 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Vectra weights approximately 60 kg more than 2003 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, 2003 Alfa Romeo GT (289 Nm @ 4800 RPM) has 69 more torque (in Nm) than 2007 Opel Vectra. (220 Nm @ 3800 RPM). This means 2003 Alfa Romeo GT will have an easier job in driving up hills or pulling heavy equipment than 2007 Opel Vectra.
Compare all specifications:
| 2003 Alfa Romeo GT | 2007 Opel Vectra | |
| Make | Alfa Romeo | Opel |
| Model | GT | Vectra |
| Year Released | 2003 | 2007 |
| Body Type | Coupe | Sedan |
| 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 | 153 HP |
| Engine RPM | 6200 RPM | 5600 RPM |
| Torque | 289 Nm | 220 Nm |
| Torque RPM | 4800 RPM | 3800 RPM |
| Engine Bore Size | 93 mm | 86.1 mm |
| Engine Stroke Size | 78 mm | 94.6 mm |
| Engine Compression Ratio | 10.5:1 | 12.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1410 kg | 1470 kg |
| Vehicle Height | 340 mm | 1470 mm |
| Wheelbase Size | 2600 mm | 2710 mm |
| Fuel Consumption Overall | 7.7 L/100km | 7.7 L/100km |
| Fuel Tank Capacity | 63 L | 61 L |
