1996 Alfa Romeo 155 vs. 2001 Opel Signum
To start off, 2001 Opel Signum is newer by 5 year(s). Which means there will be less support and parts availability for 1996 Alfa Romeo 155. In addition, the cost of maintenance, including insurance, on 1996 Alfa Romeo 155 would be higher. At 2,958 cc (6 cylinders), 2001 Opel Signum is equipped with a bigger engine. In terms of performance, 1996 Alfa Romeo 155 (493 HP @ 11700 RPM) has 318 more horse power than 2001 Opel Signum. (175 HP @ 4000 RPM). In normal driving conditions, 1996 Alfa Romeo 155 should accelerate faster than 2001 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2001 Opel Signum weights approximately 630 kg more than 1996 Alfa Romeo 155.
Let's talk about torque, 2001 Opel Signum (370 Nm @ 1900 RPM) has 70 more torque (in Nm) than 1996 Alfa Romeo 155. (300 Nm @ 9500 RPM). This means 2001 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1996 Alfa Romeo 155.
Compare all specifications:
| 1996 Alfa Romeo 155 | 2001 Opel Signum | |
| Make | Alfa Romeo | Opel |
| Model | 155 | Signum |
| Year Released | 1996 | 2001 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2499 cc | 2958 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 493 HP | 175 HP |
| Engine RPM | 11700 RPM | 4000 RPM |
| Torque | 300 Nm | 370 Nm |
| Torque RPM | 9500 RPM | 1900 RPM |
| Fuel Type | Gasoline | Diesel |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1040 kg | 1670 kg |
