2009 Alfa Romeo 159 vs. 2005 Opel Vectra
To start off, 2009 Alfa Romeo 159 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 2,387 cc (5 cylinders), 2009 Alfa Romeo 159 is equipped with a bigger engine. In terms of performance, 2009 Alfa Romeo 159 (207 HP @ 4000 RPM) has 59 more horse power than 2005 Opel Vectra. (148 HP @ 4000 RPM). In normal driving conditions, 2009 Alfa Romeo 159 should accelerate faster than 2005 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2009 Alfa Romeo 159 weights approximately 570 kg more than 2005 Opel Vectra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Alfa Romeo 159 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Opel Vectra. In wet, icy, snow, or gravel driving conditions, 2009 Alfa Romeo 159 will offer significantly more control. 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 159 (401 Nm @ 1500 RPM) has 80 more torque (in Nm) than 2005 Opel Vectra. (321 Nm @ 2000 RPM). This means 2009 Alfa Romeo 159 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Vectra.
Compare all specifications:
| 2009 Alfa Romeo 159 | 2005 Opel Vectra | |
| Make | Alfa Romeo | Opel |
| Model | 159 | Vectra |
| Year Released | 2009 | 2005 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2387 cc | 1909 cc |
| Engine Cylinders | 5 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 207 HP | 148 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 401 Nm | 321 Nm |
| Torque RPM | 1500 RPM | 2000 RPM |
| Engine Bore Size | 82 mm | 82 mm |
| Engine Stroke Size | 90.4 mm | 90.4 mm |
| Fuel Type | Diesel | Diesel |
| Top Speed | 225 km/hour | 217 km/hour |
| Acceleration 0-100mph | 8.5 seconds | 9.8 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1770 kg | 1200 kg |
| Vehicle Length | 4670 mm | 4600 mm |
| Vehicle Width | 1840 mm | 1800 mm |
| Vehicle Height | 1460 mm | 1470 mm |
| Wheelbase Size | 2710 mm | 2640 mm |
| Fuel Consumption Overall | 7.4 L/100km | 5.8 L/100km |
| Fuel Tank Capacity | 70 L | 61 L |
