1993 Alfa Romeo 155 vs. 2005 Opel Vectra
To start off, 2005 Opel Vectra is newer by 12 year(s). Which means there will be less support and parts availability for 1993 Alfa Romeo 155. In addition, the cost of maintenance, including insurance, on 1993 Alfa Romeo 155 would be higher. At 2,499 cc (6 cylinders), 1993 Alfa Romeo 155 is equipped with a bigger engine. In terms of performance, 1993 Alfa Romeo 155 (493 HP @ 11700 RPM) has 348 more horse power than 2005 Opel Vectra. (145 HP @ 4000 RPM). In normal driving conditions, 1993 Alfa Romeo 155 should accelerate faster than 2005 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Vectra weights approximately 170 kg more than 1993 Alfa Romeo 155.
Let's talk about torque, 2005 Opel Vectra (316 Nm @ 2000 RPM) has 16 more torque (in Nm) than 1993 Alfa Romeo 155. (300 Nm @ 9500 RPM). This means 2005 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 1993 Alfa Romeo 155.
Compare all specifications:
| 1993 Alfa Romeo 155 | 2005 Opel Vectra | |
| Make | Alfa Romeo | Opel |
| Model | 155 | Vectra |
| Year Released | 1993 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 2499 cc | 1910 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 493 HP | 145 HP |
| Engine RPM | 11700 RPM | 4000 RPM |
| Torque | 300 Nm | 316 Nm |
| Torque RPM | 9500 RPM | 2000 RPM |
| Fuel Type | Gasoline | Diesel |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1040 kg | 1210 kg |
