1997 Alfa Romeo 155 vs. 2008 Opel Vectra
To start off, 2008 Opel Vectra is newer by 11 year(s). Which means there will be less support and parts availability for 1997 Alfa Romeo 155. In addition, the cost of maintenance, including insurance, on 1997 Alfa Romeo 155 would be higher. At 3,175 cc (6 cylinders), 2008 Opel Vectra is equipped with a bigger engine. In terms of performance, 1997 Alfa Romeo 155 (493 HP @ 11700 RPM) has 285 more horse power than 2008 Opel Vectra. (208 HP @ 6200 RPM). In normal driving conditions, 1997 Alfa Romeo 155 should accelerate faster than 2008 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2008 Opel Vectra weights approximately 484 kg more than 1997 Alfa Romeo 155.
Let's talk about torque, both vehicles can yield 300 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles.
Compare all specifications:
| 1997 Alfa Romeo 155 | 2008 Opel Vectra | |
| Make | Alfa Romeo | Opel |
| Model | 155 | Vectra |
| Year Released | 1997 | 2008 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2499 cc | 3175 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 493 HP | 208 HP |
| Engine RPM | 11700 RPM | 6200 RPM |
| Torque | 300 Nm | 300 Nm |
| Torque RPM | 9500 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1040 kg | 1524 kg |
| Vehicle Width | 1750 mm | 1800 mm |
