1998 Alfa Romeo 156 vs. 2006 Opel Vectra
To start off, 2006 Opel Vectra is newer by 8 year(s). Which means there will be less support and parts availability for 1998 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 1998 Alfa Romeo 156 would be higher. At 2,491 cc (6 cylinders), 1998 Alfa Romeo 156 is equipped with a bigger engine. In terms of performance, 1998 Alfa Romeo 156 (187 HP @ 6300 RPM) has 14 more horse power than 2006 Opel Vectra. (173 HP @ 5500 RPM). In normal driving conditions, 1998 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 265 kg more than 1998 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 (265 Nm @ 2500 RPM) has 43 more torque (in Nm) than 1998 Alfa Romeo 156. (222 Nm @ 5000 RPM). This means 2006 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 1998 Alfa Romeo 156.
Compare all specifications:
| 1998 Alfa Romeo 156 | 2006 Opel Vectra | |
| Make | Alfa Romeo | Opel |
| Model | 156 | Vectra |
| Year Released | 1998 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 2491 cc | 1997 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 187 HP | 173 HP |
| Engine RPM | 6300 RPM | 5500 RPM |
| Torque | 222 Nm | 265 Nm |
| Torque RPM | 5000 RPM | 2500 RPM |
| 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 | 5 doors |
| Vehicle Weight | 1320 kg | 1585 kg |
| Vehicle Length | 4440 mm | 4830 mm |
| Vehicle Width | 1750 mm | 1800 mm |
| Vehicle Height | 1420 mm | 1510 mm |
| Wheelbase Size | 2600 mm | 2840 mm |
| Fuel Tank Capacity | 63 L | 60 L |
