2007 Alfa Romeo 156 vs. 2006 Opel Vectra
To start off, 2007 Alfa Romeo 156 is newer by 1 year(s). Which means there will be less support and parts availability for 2006 Opel Vectra. In addition, the cost of maintenance, including insurance, on 2006 Opel Vectra would be higher. At 2,492 cc (6 cylinders), 2007 Alfa Romeo 156 is equipped with a bigger engine. In terms of performance, 2007 Alfa Romeo 156 (190 HP @ 6300 RPM) has 72 more horse power than 2006 Opel Vectra. (118 HP @ 4000 RPM). In normal driving conditions, 2007 Alfa Romeo 156 should accelerate faster than 2006 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2006 Opel Vectra weights approximately 98 kg more than 2007 Alfa Romeo 156.
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 Opel Vectra (280 Nm @ 2000 RPM) has 62 more torque (in Nm) than 2007 Alfa Romeo 156. (218 Nm @ 5000 RPM). This means 2006 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 2007 Alfa Romeo 156.
Compare all specifications:
| 2007 Alfa Romeo 156 | 2006 Opel Vectra | |
| Make | Alfa Romeo | Opel |
| Model | 156 | Vectra |
| Year Released | 2007 | 2006 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 1910 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 190 HP | 118 HP |
| Engine RPM | 6300 RPM | 4000 RPM |
| Torque | 218 Nm | 280 Nm |
| Torque RPM | 5000 RPM | 2000 RPM |
| Engine Bore Size | 88 mm | 82 mm |
| Engine Stroke Size | 68.3 mm | 90.4 mm |
| Engine Compression Ratio | 10.3:1 | 18.0:1 |
| Fuel Type | Gasoline | Diesel |
| Top Speed | 230 km/hour | 200 km/hour |
| Acceleration 0-100mph | 7.4 seconds | 11.5 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1405 kg | 1503 kg |
| Vehicle Length | 4450 mm | 4600 mm |
| Vehicle Width | 1750 mm | 1800 mm |
| Vehicle Height | 1440 mm | 1470 mm |
| Wheelbase Size | 2600 mm | 2710 mm |
| Fuel Consumption Overall | 11.8 L/100km | 5.9 L/100km |
| Fuel Tank Capacity | 63 L | 61 L |
