1987 Alfa Romeo 75 vs. 2004 Opel Signum
To start off, 2004 Opel Signum is newer by 17 year(s). Which means there will be less support and parts availability for 1987 Alfa Romeo 75. In addition, the cost of maintenance, including insurance, on 1987 Alfa Romeo 75 would be higher. At 2,500 cc (4 cylinders), 1987 Alfa Romeo 75 is equipped with a bigger engine. In terms of performance, 2004 Opel Signum (173 HP @ 5500 RPM) has 63 more horse power than 1987 Alfa Romeo 75. (110 HP @ 4200 RPM) In normal driving conditions, 2004 Opel Signum should accelerate faster than 1987 Alfa Romeo 75. With that said, vehicle weight also plays an important factor in acceleration. 2004 Opel Signum weights approximately 300 kg more than 1987 Alfa Romeo 75. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1987 Alfa Romeo 75 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 1987 Alfa Romeo 75. However, in wet, icy, snow, or gravel driving conditions, 2004 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, 2004 Opel Signum (265 Nm @ 2500 RPM) has 24 more torque (in Nm) than 1987 Alfa Romeo 75. (241 Nm @ 2400 RPM). This means 2004 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1987 Alfa Romeo 75.
Compare all specifications:
| 1987 Alfa Romeo 75 | 2004 Opel Signum | |
| Make | Alfa Romeo | Opel |
| Model | 75 | Signum |
| Year Released | 1987 | 2004 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2500 cc | 1995 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 110 HP | 173 HP |
| Engine RPM | 4200 RPM | 5500 RPM |
| Torque | 241 Nm | 265 Nm |
| Torque RPM | 2400 RPM | 2500 RPM |
| Top Speed | 185 km/hour | 220 km/hour |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1260 kg | 1560 kg |
| Vehicle Length | 4340 mm | 4640 mm |
| Vehicle Width | 1640 mm | 1800 mm |
| Vehicle Height | 1360 mm | 1470 mm |
| Wheelbase Size | 2520 mm | 2840 mm |
| Fuel Consumption Overall | 6 L/100km | 9.4 L/100km |
| Fuel Tank Capacity | 49 L | 60 L |
