2006 Alfa Romeo 156 vs. 2008 Opel Vectra
To start off, 2008 Opel Vectra is newer by 2 year(s). Which means there will be less support and parts availability for 2006 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2006 Alfa Romeo 156 would be higher. At 1,970 cc (4 cylinders), 2006 Alfa Romeo 156 is equipped with a bigger engine. In terms of performance, 2006 Alfa Romeo 156 (149 HP @ 6300 RPM) has 29 more horse power than 2008 Opel Vectra. (120 HP @ 6000 RPM). In normal driving conditions, 2006 Alfa Romeo 156 should accelerate faster than 2008 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2006 Alfa Romeo 156 weights approximately 135 kg more than 2008 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 156 (181 Nm @ 3800 RPM) has 14 more torque (in Nm) than 2008 Opel Vectra. (167 Nm @ 3800 RPM). This means 2006 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 2008 Opel Vectra.
Compare all specifications:
| 2006 Alfa Romeo 156 | 2008 Opel Vectra | |
| Make | Alfa Romeo | Opel |
| Model | 156 | Vectra |
| Year Released | 2006 | 2008 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1970 cc | 1796 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 149 HP | 120 HP |
| Engine RPM | 6300 RPM | 6000 RPM |
| Torque | 181 Nm | 167 Nm |
| Torque RPM | 3800 RPM | 3800 RPM |
| Engine Bore Size | 83 mm | 80.5 mm |
| Engine Stroke Size | 91 mm | 88.2 mm |
| Engine Compression Ratio | 10.0:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 214 km/hour | 205 km/hour |
| Acceleration 0-100mph | 8.8 seconds | 11.2 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 | 1510 kg | 1375 kg |
| Vehicle Length | 4440 mm | 4600 mm |
| Vehicle Width | 1750 mm | 1800 mm |
| Vehicle Height | 1440 mm | 1470 mm |
| Wheelbase Size | 2600 mm | 2710 mm |
| Fuel Consumption Overall | 8.7 L/100km | 8.1 L/100km |
| Fuel Tank Capacity | 63 L | 61 L |
