1986 Alfa Romeo 75 vs. 2002 Opel Signum
To start off, 2002 Opel Signum is newer by 16 year(s). Which means there will be less support and parts availability for 1986 Alfa Romeo 75. In addition, the cost of maintenance, including insurance, on 1986 Alfa Romeo 75 would be higher. At 1,796 cc (4 cylinders), 2002 Opel Signum is equipped with a bigger engine. In terms of performance, 1986 Alfa Romeo 75 (152 HP @ 5800 RPM) has 32 more horse power than 2002 Opel Signum. (120 HP @ 6000 RPM). In normal driving conditions, 1986 Alfa Romeo 75 should accelerate faster than 2002 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2002 Opel Signum weights approximately 272 kg more than 1986 Alfa Romeo 75.
Because 1986 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 1986 Alfa Romeo 75. However, in wet, icy, snow, or gravel driving conditions, 2002 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 75 (225 Nm @ 2600 RPM) has 60 more torque (in Nm) than 2002 Opel Signum. (165 Nm @ 3800 RPM). This means 1986 Alfa Romeo 75 will have an easier job in driving up hills or pulling heavy equipment than 2002 Opel Signum.
Compare all specifications:
| 1986 Alfa Romeo 75 | 2002 Opel Signum | |
| Make | Alfa Romeo | Opel |
| Model | 75 | Signum |
| Year Released | 1986 | 2002 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1779 cc | 1796 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 152 HP | 120 HP |
| Engine RPM | 5800 RPM | 6000 RPM |
| Torque | 225 Nm | 165 Nm |
| Torque RPM | 2600 RPM | 3800 RPM |
| Engine Compression Ratio | 7.5:1 | 10.5:1 |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1210 kg | 1482 kg |
| Vehicle Length | 4430 mm | 4640 mm |
| Vehicle Width | 1670 mm | 1800 mm |
| Vehicle Height | 1360 mm | 1470 mm |
| Wheelbase Size | 2520 mm | 2500 mm |
| Fuel Tank Capacity | 68 L | 60 L |
