2003 Opel Vectra vs. 1998 Alfa Romeo 155
To start off, 2003 Opel Vectra is newer by 5 year(s). Which means there will be less support and parts availability for 1998 Alfa Romeo 155. In addition, the cost of maintenance, including insurance, on 1998 Alfa Romeo 155 would be higher. At 2,499 cc (6 cylinders), 1998 Alfa Romeo 155 is equipped with a bigger engine. In terms of performance, 1998 Alfa Romeo 155 (493 HP @ 11700 RPM) has 368 more horse power than 2003 Opel Vectra. (125 HP @ 6000 RPM) In normal driving conditions, 1998 Alfa Romeo 155 should accelerate faster than 2003 Opel Vectra.
Let's talk about torque, 1998 Alfa Romeo 155 (300 Nm @ 9500 RPM) has 130 more torque (in Nm) than 2003 Opel Vectra. (170 Nm @ 3800 RPM). This means 1998 Alfa Romeo 155 will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Vectra.
Compare all specifications:
| 2003 Opel Vectra | 1998 Alfa Romeo 155 | |
| Make | Opel | Alfa Romeo |
| Model | Vectra | 155 |
| Year Released | 2003 | 1998 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1796 cc | 2499 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 125 HP | 493 HP |
| Engine RPM | 6000 RPM | 11700 RPM |
| Torque | 170 Nm | 300 Nm |
| Torque RPM | 3800 RPM | 9500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Width | 1800 mm | 1750 mm |
