1996 Alfa Romeo 155 vs. 2005 Opel Vectra
To start off, 2005 Opel Vectra is newer by 9 year(s). Which means there will be less support and parts availability for 1996 Alfa Romeo 155. In addition, the cost of maintenance, including insurance, on 1996 Alfa Romeo 155 would be higher. At 2,198 cc (4 cylinders), 2005 Opel Vectra is equipped with a bigger engine. In terms of performance, 2005 Opel Vectra (153 HP @ 5600 RPM) has 35 more horse power than 1996 Alfa Romeo 155. (118 HP @ 6300 RPM) In normal driving conditions, 2005 Opel Vectra should accelerate faster than 1996 Alfa Romeo 155. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Vectra weights approximately 280 kg more than 1996 Alfa Romeo 155. 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 (221 Nm @ 3800 RPM) has 77 more torque (in Nm) than 1996 Alfa Romeo 155. (144 Nm @ 4500 RPM). This means 2005 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 1996 Alfa Romeo 155.
Compare all specifications:
| 1996 Alfa Romeo 155 | 2005 Opel Vectra | |
| Make | Alfa Romeo | Opel |
| Model | 155 | Vectra |
| Year Released | 1996 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 1598 cc | 2198 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 118 HP | 153 HP |
| Engine RPM | 6300 RPM | 5600 RPM |
| Torque | 144 Nm | 221 Nm |
| Torque RPM | 4500 RPM | 3800 RPM |
| Engine Bore Size | 82 mm | 86 mm |
| Engine Stroke Size | 75.7 mm | 94.6 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1270 kg | 1550 kg |
| Vehicle Length | 4450 mm | 4830 mm |
| Vehicle Width | 1710 mm | 1800 mm |
| Vehicle Height | 1450 mm | 1510 mm |
