2008 Alfa Romeo 159 vs. 2005 Opel Vectra
To start off, 2008 Alfa Romeo 159 is newer by 3 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 1,858 cc (4 cylinders), 2008 Alfa Romeo 159 is equipped with a bigger engine. In terms of performance, 2008 Alfa Romeo 159 (158 HP @ 6500 RPM) has 36 more horse power than 2005 Opel Vectra. (122 HP @ 5600 RPM). In normal driving conditions, 2008 Alfa Romeo 159 should accelerate faster than 2005 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2008 Alfa Romeo 159 weights approximately 245 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.
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, 2008 Alfa Romeo 159 (190 Nm @ 4500 RPM) has 20 more torque (in Nm) than 2005 Opel Vectra. (170 Nm @ 3800 RPM). This means 2008 Alfa Romeo 159 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Vectra.
Compare all specifications:
| 2008 Alfa Romeo 159 | 2005 Opel Vectra | |
| Make | Alfa Romeo | Opel |
| Model | 159 | Vectra |
| Year Released | 2008 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 1858 cc | 1796 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 158 HP | 122 HP |
| Engine RPM | 6500 RPM | 5600 RPM |
| Torque | 190 Nm | 170 Nm |
| Torque RPM | 4500 RPM | 3800 RPM |
| Engine Bore Size | 86 mm | 80.5 mm |
| Engine Stroke Size | 80 mm | 88.2 mm |
| Engine Compression Ratio | 11.3:1 | 10.5:1 |
| Top Speed | 210 km/hour | 208 km/hour |
| Acceleration 0-100mph | 9.9 seconds | 10.5 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1605 kg | 1360 kg |
| Vehicle Length | 4670 mm | 4500 mm |
| Vehicle Width | 1840 mm | 1710 mm |
| Vehicle Height | 1460 mm | 1430 mm |
| Wheelbase Size | 2710 mm | 2450 mm |
| Fuel Tank Capacity | 70 L | 60 L |
