2005 Alfa Romeo 156 vs. 2000 Opel Vectra
To start off, 2005 Alfa Romeo 156 is newer by 5 year(s). Which means there will be less support and parts availability for 2000 Opel Vectra. In addition, the cost of maintenance, including insurance, on 2000 Opel Vectra would be higher. At 3,179 cc (6 cylinders), 2005 Alfa Romeo 156 is equipped with a bigger engine. In terms of performance, 2005 Alfa Romeo 156 (238 HP @ 6200 RPM) has 138 more horse power than 2000 Opel Vectra. (100 HP @ 6200 RPM). In normal driving conditions, 2005 Alfa Romeo 156 should accelerate faster than 2000 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Alfa Romeo 156 weights approximately 148 kg more than 2000 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, 2005 Alfa Romeo 156 (289 Nm @ 4800 RPM) has 139 more torque (in Nm) than 2000 Opel Vectra. (150 Nm @ 3200 RPM). This means 2005 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 2000 Opel Vectra.
Compare all specifications:
| 2005 Alfa Romeo 156 | 2000 Opel Vectra | |
| Make | Alfa Romeo | Opel |
| Model | 156 | Vectra |
| Year Released | 2005 | 2000 |
| Engine Position | Front | Front |
| Engine Size | 3179 cc | 1598 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 238 HP | 100 HP |
| Engine RPM | 6200 RPM | 6200 RPM |
| Torque | 289 Nm | 150 Nm |
| Torque RPM | 4800 RPM | 3200 RPM |
| Engine Bore Size | 93 mm | 79 mm |
| Engine Stroke Size | 78 mm | 81.5 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1488 kg | 1340 kg |
| Vehicle Length | 4310 mm | 4500 mm |
| Vehicle Width | 1750 mm | 1720 mm |
| Vehicle Height | 1330 mm | 1500 mm |
| Wheelbase Size | 2600 mm | 2650 mm |
