2006 Opel Signum vs. 1986 Alfa Romeo 90
To start off, 2006 Opel Signum is newer by 20 year(s). Which means there will be less support and parts availability for 1986 Alfa Romeo 90. In addition, the cost of maintenance, including insurance, on 1986 Alfa Romeo 90 would be higher. At 2,391 cc (4 cylinders), 1986 Alfa Romeo 90 is equipped with a bigger engine. In terms of performance, 2006 Opel Signum (153 HP @ 5600 RPM) has 44 more horse power than 1986 Alfa Romeo 90. (109 HP @ 4200 RPM). In normal driving conditions, 2006 Opel Signum should accelerate faster than 1986 Alfa Romeo 90. With that said, vehicle weight also plays an important factor in acceleration. 2006 Opel Signum weights approximately 285 kg more than 1986 Alfa Romeo 90. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1986 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 1986 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, 1986 Alfa Romeo 90 (235 Nm @ 2300 RPM) has 15 more torque (in Nm) than 2006 Opel Signum. (220 Nm @ 3800 RPM). This means 1986 Alfa Romeo 90 will have an easier job in driving up hills or pulling heavy equipment than 2006 Opel Signum.
Compare all specifications:
| 2006 Opel Signum | 1986 Alfa Romeo 90 | |
| Make | Opel | Alfa Romeo |
| Model | Signum | 90 |
| Year Released | 2006 | 1986 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2198 cc | 2391 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 153 HP | 109 HP |
| Engine RPM | 5600 RPM | 4200 RPM |
| Torque | 220 Nm | 235 Nm |
| Torque RPM | 3800 RPM | 2300 RPM |
| Engine Bore Size | 86 mm | 92 mm |
| Engine Stroke Size | 94.6 mm | 90 mm |
| Engine Compression Ratio | 12.0:1 | 22.0:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 211 km/hour | 178 km/hour |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1535 kg | 1250 kg |
| Vehicle Length | 4640 mm | 4400 mm |
| Vehicle Width | 1800 mm | 1650 mm |
| Vehicle Height | 1470 mm | 1430 mm |
| Wheelbase Size | 2840 mm | 2520 mm |
| Fuel Tank Capacity | 60 L | 49 L |
