2007 Alfa Romeo 156 vs. 2007 Opel Vectra
To start off, both 2007 Alfa Romeo 156 and 2007 Opel Vectra were released in the same year (2007). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 2,791 cc (6 cylinders), 2007 Opel Vectra is equipped with a bigger engine. In terms of performance, 2007 Opel Vectra (276 HP @ 5500 RPM) has 128 more horse power than 2007 Alfa Romeo 156. (148 HP @ 6300 RPM) In normal driving conditions, 2007 Opel Vectra should accelerate faster than 2007 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Vectra weights approximately 278 kg more than 2007 Alfa Romeo 156. 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, 2007 Opel Vectra (355 Nm @ 1800 RPM) has 173 more torque (in Nm) than 2007 Alfa Romeo 156. (182 Nm @ 3800 RPM). This means 2007 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 | 2007 Opel Vectra | |
| Make | Alfa Romeo | Opel |
| Model | 156 | Vectra |
| Year Released | 2007 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 1970 cc | 2791 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 276 HP |
| Engine RPM | 6300 RPM | 5500 RPM |
| Torque | 182 Nm | 355 Nm |
| Torque RPM | 3800 RPM | 1800 RPM |
| Engine Bore Size | 83 mm | 89 mm |
| Engine Stroke Size | 91 mm | 74.8 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 214 km/hour | 250 km/hour |
| Acceleration 0-100mph | 8.8 seconds | 6.3 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 | 1335 kg | 1613 kg |
| Vehicle Length | 4450 mm | 4830 mm |
| Vehicle Width | 1750 mm | 1800 mm |
| Vehicle Height | 1440 mm | 1490 mm |
| Wheelbase Size | 2600 mm | 2840 mm |
| Fuel Consumption Overall | 8.7 L/100km | 10.4 L/100km |
| Fuel Tank Capacity | 63 L | 61 L |
