2006 Alfa Romeo GT vs. 2003 Opel Vectra
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 Vectra. In addition, the cost of maintenance, including insurance, on 2003 Opel Vectra 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 114 more horse power than 2003 Opel Vectra. (123 HP @ 5600 RPM). In normal driving conditions, 2006 Alfa Romeo GT should accelerate faster than 2003 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2006 Alfa Romeo GT weights approximately 98 kg more than 2003 Opel Vectra. 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 138 more torque (in Nm) than 2003 Opel Vectra. (162 Nm @ 3800 RPM). This means 2006 Alfa Romeo GT will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Vectra. 2003 Opel Vectra has automatic transmission and 2006 Alfa Romeo GT has manual transmission. 2006 Alfa Romeo GT will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Opel Vectra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Alfa Romeo GT | 2003 Opel Vectra | |
| Make | Alfa Romeo | Opel |
| Model | GT | Vectra |
| Year Released | 2006 | 2003 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3179 cc | 1794 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 237 HP | 123 HP |
| Engine RPM | 6200 RPM | 5600 RPM |
| Torque | 300 Nm | 162 Nm |
| Torque RPM | 4800 RPM | 3800 RPM |
| Engine Bore Size | 93 mm | 80.5 mm |
| Engine Stroke Size | 78 mm | 88.2 mm |
| Engine Compression Ratio | 10.0:1 | 10.5:1 |
| Top Speed | 243 km/hour | 192 km/hour |
| Acceleration 0-100mph | 6.7 seconds | 12.5 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1488 kg | 1390 kg |
| Vehicle Length | 4500 mm | 4500 mm |
| Vehicle Width | 1770 mm | 1710 mm |
| Vehicle Height | 1370 mm | 1430 mm |
| Wheelbase Size | 2600 mm | 2710 mm |
| Fuel Tank Capacity | 63 L | 60 L |
