2005 Alfa Romeo 159 vs. 2005 Opel Vectra
To start off, both 2005 Alfa Romeo 159 and 2005 Opel Vectra were released in the same year (2005). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 2,197 cc (4 cylinders), 2005 Alfa Romeo 159 is equipped with a bigger engine. In terms of performance, 2005 Alfa Romeo 159 (182 HP @ 6500 RPM) has 83 more horse power than 2005 Opel Vectra. (99 HP @ 4000 RPM). In normal driving conditions, 2005 Alfa Romeo 159 should accelerate faster than 2005 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Vectra weights approximately 4 kg more than 2005 Alfa Romeo 159.
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, both vehicles can yield 230 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles.
Compare all specifications:
| 2005 Alfa Romeo 159 | 2005 Opel Vectra | |
| Make | Alfa Romeo | Opel |
| Model | 159 | Vectra |
| Year Released | 2005 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2197 cc | 1994 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 182 HP | 99 HP |
| Engine RPM | 6500 RPM | 4000 RPM |
| Torque | 230 Nm | 230 Nm |
| Torque RPM | 4500 RPM | 1500 RPM |
| Engine Bore Size | 86 mm | 84 mm |
| Engine Stroke Size | 94.6 mm | 90 mm |
| Engine Compression Ratio | 11.3:1 | 18.5:1 |
| Top Speed | 222 km/hour | 192 km/hour |
| Acceleration 0-100mph | 8.8 seconds | 13 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1490 kg | 1494 kg |
| Vehicle Length | 4670 mm | 4600 mm |
| Vehicle Width | 1830 mm | 1800 mm |
| Vehicle Height | 1420 mm | 1470 mm |
| Wheelbase Size | 2600 mm | 2610 mm |
| Fuel Consumption Overall | 9.4 L/100km | 5.7 L/100km |
| Fuel Tank Capacity | 70 L | 61 L |
