1993 Alfa Romeo 155 vs. 2005 Opel Signum
To start off, 2005 Opel Signum 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 2,958 cc (6 cylinders), 2005 Opel Signum is equipped with a bigger engine. In terms of performance, 2005 Opel Signum (175 HP) has 51 more horse power than 1993 Alfa Romeo 155. (124 HP) In normal driving conditions, 2005 Opel Signum should accelerate faster than 1993 Alfa Romeo 155. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Signum weights approximately 465 kg more than 1993 Alfa Romeo 155. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Compare all specifications:
| 1993 Alfa Romeo 155 | 2005 Opel Signum | |
| Make | Alfa Romeo | Opel |
| Model | 155 | Signum |
| Year Released | 1993 | 2005 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1749 cc | 2958 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 124 HP | 175 HP |
| Fuel Type | Gasoline | Diesel |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1205 kg | 1670 kg |
| Vehicle Length | 4450 mm | 4640 mm |
| Vehicle Width | 1710 mm | 1800 mm |
| Vehicle Height | 1450 mm | 1470 mm |
