1987 Lamborghini Portofino vs. 2005 Opel Signum
To start off, 2005 Opel Signum is newer by 18 year(s). Which means there will be less support and parts availability for 1987 Lamborghini Portofino. In addition, the cost of maintenance, including insurance, on 1987 Lamborghini Portofino would be higher. At 3,485 cc (8 cylinders), 1987 Lamborghini Portofino is equipped with a bigger engine. In terms of performance, 1987 Lamborghini Portofino (225 HP @ 7000 RPM) has 52 more horse power than 2005 Opel Signum. (173 HP @ 5500 RPM). In normal driving conditions, 1987 Lamborghini Portofino should accelerate faster than 2005 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Signum weights approximately 90 kg more than 1987 Lamborghini Portofino.
Because 1987 Lamborghini Portofino 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 Lamborghini Portofino. However, in wet, icy, snow, or gravel driving conditions, 2005 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, 1987 Lamborghini Portofino (310 Nm @ 3500 RPM) has 45 more torque (in Nm) than 2005 Opel Signum. (265 Nm @ 2500 RPM). This means 1987 Lamborghini Portofino will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Signum.
Compare all specifications:
| 1987 Lamborghini Portofino | 2005 Opel Signum | |
| Make | Lamborghini | Opel |
| Model | Portofino | Signum |
| Year Released | 1987 | 2005 |
| Engine Position | Middle | Front |
| Engine Size | 3485 cc | 1908 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 225 HP | 173 HP |
| Engine RPM | 7000 RPM | 5500 RPM |
| Torque | 310 Nm | 265 Nm |
| Torque RPM | 3500 RPM | 2500 RPM |
| Engine Bore Size | 86 mm | 86 mm |
| Engine Stroke Size | 75 mm | 86 mm |
| Engine Compression Ratio | 9.2:1 | 9.5:1 |
| Top Speed | 240 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 | 1470 kg | 1560 kg |
| Vehicle Length | 3920 mm | 4640 mm |
| Vehicle Width | 1850 mm | 1800 mm |
| Vehicle Height | 1360 mm | 1470 mm |
| Wheelbase Size | 3050 mm | 2620 mm |
| Fuel Tank Capacity | 110 L | 60 L |
