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 2,492 cc (6 cylinders), 1985 Alfa Romeo 90 is equipped with a bigger engine. In terms of performance, 1985 Alfa Romeo 90 (154 HP @ 5600 RPM) has 1 more horse power than 2006 Opel Signum. (153 HP @ 5600 RPM). In normal driving conditions, 1985 Alfa Romeo 90 should accelerate faster than 2006 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2006 Opel Signum weights approximately 365 kg more than 1985 Alfa Romeo 90.
Let's talk about torque, 2006 Opel Signum (220 Nm @ 3800 RPM) has 6 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 | 2198 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 154 HP | 153 HP |
| Engine RPM | 5600 RPM | 5600 RPM |
| Torque | 214 Nm | 220 Nm |
| Torque RPM | 4000 RPM | 3800 RPM |
| Engine Bore Size | 88 mm | 86 mm |
| Engine Stroke Size | 68.3 mm | 94.6 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1170 kg | 1535 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 |
