1997 Alfa Romeo 155 vs. 1996 Opel Vectra
To start off, 1997 Alfa Romeo 155 is newer by 1 year(s). Which means there will be less support and parts availability for 1996 Opel Vectra. In addition, the cost of maintenance, including insurance, on 1996 Opel Vectra would be higher. At 2,499 cc (6 cylinders), 1997 Alfa Romeo 155 is equipped with a bigger engine. In terms of performance, 1997 Alfa Romeo 155 (493 HP @ 11700 RPM) has 419 more horse power than 1996 Opel Vectra. (74 HP @ 5200 RPM). In normal driving conditions, 1997 Alfa Romeo 155 should accelerate faster than 1996 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 1996 Opel Vectra weights approximately 145 kg more than 1997 Alfa Romeo 155.
Let's talk about torque, 1997 Alfa Romeo 155 (300 Nm @ 9500 RPM) has 172 more torque (in Nm) than 1996 Opel Vectra. (128 Nm @ 2800 RPM). This means 1997 Alfa Romeo 155 will have an easier job in driving up hills or pulling heavy equipment than 1996 Opel Vectra.
Compare all specifications:
| 1997 Alfa Romeo 155 | 1996 Opel Vectra | |
| Make | Alfa Romeo | Opel |
| Model | 155 | Vectra |
| Year Released | 1997 | 1996 |
| Engine Position | Front | Front |
| Engine Size | 2499 cc | 1596 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 493 HP | 74 HP |
| Engine RPM | 11700 RPM | 5200 RPM |
| Torque | 300 Nm | 128 Nm |
| Torque RPM | 9500 RPM | 2800 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1040 kg | 1185 kg |
| Vehicle Width | 1750 mm | 1710 mm |
