1999 Opel Signum vs. 1989 Alfa Romeo 164
To start off, 1999 Opel Signum is newer by 10 year(s). Which means there will be less support and parts availability for 1989 Alfa Romeo 164. In addition, the cost of maintenance, including insurance, on 1989 Alfa Romeo 164 would be higher. At 2,500 cc (4 cylinders), 1989 Alfa Romeo 164 is equipped with a bigger engine. In terms of performance, 1989 Alfa Romeo 164 (123 HP @ 4200 RPM) has 24 more horse power than 1999 Opel Signum. (99 HP @ 3120 RPM) In normal driving conditions, 1989 Alfa Romeo 164 should accelerate faster than 1999 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 1999 Opel Signum weights approximately 105 kg more than 1989 Alfa Romeo 164.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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, 1989 Alfa Romeo 164 (294 Nm @ 2000 RPM) has 54 more torque (in Nm) than 1999 Opel Signum. (240 Nm @ 1500 RPM). This means 1989 Alfa Romeo 164 will have an easier job in driving up hills or pulling heavy equipment than 1999 Opel Signum.
Compare all specifications:
| 1999 Opel Signum | 1989 Alfa Romeo 164 | |
| Make | Opel | Alfa Romeo |
| Model | Signum | 164 |
| Year Released | 1999 | 1989 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 2500 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 99 HP | 123 HP |
| Engine RPM | 3120 RPM | 4200 RPM |
| Torque | 240 Nm | 294 Nm |
| Torque RPM | 1500 RPM | 2000 RPM |
| Engine Compression Ratio | 18.5:1 | 22.0:1 |
| Top Speed | 185 km/hour | 202 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1595 kg | 1490 kg |
| Vehicle Length | 4640 mm | 4560 mm |
| Vehicle Width | 1800 mm | 1770 mm |
| Vehicle Height | 1470 mm | 1410 mm |
| Wheelbase Size | 2840 mm | 2670 mm |
| Fuel Tank Capacity | 60 L | 70 L |
