1985 Alfa Romeo 90 vs. 2006 Opel Signum
To start off, 2006 Opel Signum is newer by 21 year(s). Which means there will be less support and parts availability for 1985 Alfa Romeo 90. In addition, the cost of maintenance, including insurance, on 1985 Alfa Romeo 90 would be higher. At 2,958 cc (6 cylinders), 2006 Opel Signum is equipped with a bigger engine. In terms of performance, 2006 Opel Signum (175 HP @ 4000 RPM) has 21 more horse power than 1985 Alfa Romeo 90. (154 HP @ 5600 RPM) In normal driving conditions, 2006 Opel Signum should accelerate faster than 1985 Alfa Romeo 90. With that said, vehicle weight also plays an important factor in acceleration. 2006 Opel Signum weights approximately 500 kg more than 1985 Alfa Romeo 90. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2006 Opel Signum (370 Nm @ 1900 RPM) has 156 more torque (in Nm) than 1985 Alfa Romeo 90. (214 Nm @ 4000 RPM). This means 2006 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1985 Alfa Romeo 90.
Compare all specifications:
| 1985 Alfa Romeo 90 | 2006 Opel Signum | |
| Make | Alfa Romeo | Opel |
| Model | 90 | Signum |
| Year Released | 1985 | 2006 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 2958 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 154 HP | 175 HP |
| Engine RPM | 5600 RPM | 4000 RPM |
| Torque | 214 Nm | 370 Nm |
| Torque RPM | 4000 RPM | 1900 RPM |
| Engine Bore Size | 88 mm | 87.5 mm |
| Engine Stroke Size | 68.3 mm | 82 mm |
| Fuel Type | Gasoline | Diesel |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1170 kg | 1670 kg |
| Vehicle Length | 4400 mm | 4640 mm |
| Vehicle Width | 1650 mm | 1800 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2520 mm | 2840 mm |
