2005 Alfa Romeo 156 vs. 2005 Opel Vectra
To start off, both 2005 Alfa Romeo 156 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 1,998 cc (4 cylinders), 2005 Opel Vectra is equipped with a bigger engine. In terms of performance, 2005 Opel Vectra (173 HP @ 5500 RPM) has 55 more horse power than 2005 Alfa Romeo 156. (118 HP @ 6500 RPM) In normal driving conditions, 2005 Opel Vectra should accelerate faster than 2005 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Vectra weights approximately 235 kg more than 2005 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, 2005 Opel Vectra (265 Nm @ 2500 RPM) has 118 more torque (in Nm) than 2005 Alfa Romeo 156. (147 Nm @ 4500 RPM). This means 2005 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 2005 Alfa Romeo 156.
Compare all specifications:
| 2005 Alfa Romeo 156 | 2005 Opel Vectra | |
| Make | Alfa Romeo | Opel |
| Model | 156 | Vectra |
| Year Released | 2005 | 2005 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1598 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 118 HP | 173 HP |
| Engine RPM | 6500 RPM | 5500 RPM |
| Torque | 147 Nm | 265 Nm |
| Torque RPM | 4500 RPM | 2500 RPM |
| Engine Bore Size | 82 mm | 86 mm |
| Engine Stroke Size | 75.7 mm | 86 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1250 kg | 1485 kg |
| Vehicle Length | 4450 mm | 4600 mm |
| Vehicle Width | 1750 mm | 1800 mm |
| Vehicle Height | 1440 mm | 1470 mm |
| Wheelbase Size | 2710 mm | 2620 mm |
| Fuel Consumption Overall | 8.6 L/100km | 8.9 L/100km |
| Fuel Tank Capacity | 63 L | 61 L |
