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 (4 cylinders), 1985 Alfa Romeo 90 is equipped with a bigger engine. In terms of performance, 2006 Opel Signum (118 HP @ 4000 RPM) has 9 more horse power than 1985 Alfa Romeo 90. (109 HP @ 4200 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 365 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.
Because 1985 Alfa Romeo 90 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1985 Alfa Romeo 90. However, in wet, icy, snow, or gravel driving conditions, 2006 Opel Signum, being front wheel drive (FWD), will offer much better control with better grip. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2006 Opel Signum (281 Nm @ 2000 RPM) has 35 more torque (in Nm) than 1985 Alfa Romeo 90. (246 Nm @ 2300 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 | 1910 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 109 HP | 118 HP |
| Engine RPM | 4200 RPM | 4000 RPM |
| Torque | 246 Nm | 281 Nm |
| Torque RPM | 2300 RPM | 2000 RPM |
| Engine Bore Size | 92 mm | 82 mm |
| Engine Stroke Size | 90 mm | 90.4 mm |
| Fuel Type | Diesel | Diesel |
| Top Speed | 178 km/hour | 191 km/hour |
| Drive Type | Rear | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1250 kg | 1615 kg |
| Vehicle Length | 4400 mm | 4640 mm |
| Vehicle Width | 1650 mm | 1800 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2460 mm | 2840 mm |
| Fuel Consumption Overall | 5.4 L/100km | 6 L/100km |
| Fuel Tank Capacity | 49 L | 60 L |
