2003 Opel Signum vs. 1988 Alfa Romeo 164
To start off, 2003 Opel Signum is newer by 15 year(s). Which means there will be less support and parts availability for 1988 Alfa Romeo 164. In addition, the cost of maintenance, including insurance, on 1988 Alfa Romeo 164 would be higher. At 3,173 cc (6 cylinders), 2003 Opel Signum is equipped with a bigger engine. In terms of performance, 2003 Opel Signum (208 HP @ 6200 RPM) has 85 more horse power than 1988 Alfa Romeo 164. (123 HP @ 4200 RPM). In normal driving conditions, 2003 Opel Signum should accelerate faster than 1988 Alfa Romeo 164. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Signum weights approximately 120 kg more than 1988 Alfa Romeo 164. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2003 Opel Signum (300 Nm @ 4000 RPM) has 6 more torque (in Nm) than 1988 Alfa Romeo 164. (294 Nm @ 2000 RPM). This means 2003 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1988 Alfa Romeo 164.
Compare all specifications:
| 2003 Opel Signum | 1988 Alfa Romeo 164 | |
| Make | Opel | Alfa Romeo |
| Model | Signum | 164 |
| Year Released | 2003 | 1988 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3173 cc | 2500 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 208 HP | 123 HP |
| Engine RPM | 6200 RPM | 4200 RPM |
| Torque | 300 Nm | 294 Nm |
| Torque RPM | 4000 RPM | 2000 RPM |
| Engine Compression Ratio | 10.0:1 | 22.0:1 |
| Top Speed | 237 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 | 1610 kg | 1490 kg |
| Vehicle Length | 4640 mm | 4560 mm |
| Vehicle Width | 1800 mm | 1770 mm |
| Vehicle Height | 1470 mm | 1410 mm |
| Wheelbase Size | 2740 mm | 2670 mm |
| Fuel Consumption Overall | 10.1 L/100km | 5.8 L/100km |
| Fuel Tank Capacity | 52 L | 70 L |
