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 2,499 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 369 more horse power than 2005 Opel Signum. (124 HP @ 3250 RPM). In normal driving conditions, 1993 Alfa Romeo 155 should accelerate faster than 2005 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Signum weights approximately 570 kg more than 1993 Alfa Romeo 155.
Let's talk about torque, 1993 Alfa Romeo 155 (300 Nm @ 9500 RPM) has 20 more torque (in Nm) than 2005 Opel Signum. (280 Nm @ 1500 RPM). This means 1993 Alfa Romeo 155 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Signum.
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 | 2499 cc | 2171 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 493 HP | 124 HP |
| Engine RPM | 11700 RPM | 3250 RPM |
| Torque | 300 Nm | 280 Nm |
| Torque RPM | 9500 RPM | 1500 RPM |
| Fuel Type | Gasoline | Diesel |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1040 kg | 1610 kg |
