1991 Morgan Plus 4 vs. 1999 Opel Signum
To start off, 1999 Opel Signum is newer by 8 year(s). Which means there will be less support and parts availability for 1991 Morgan Plus 4. In addition, the cost of maintenance, including insurance, on 1991 Morgan Plus 4 would be higher. At 1,995 cc (4 cylinders), 1999 Opel Signum is equipped with a bigger engine. In terms of performance, 1991 Morgan Plus 4 (137 HP @ 6000 RPM) has 38 more horse power than 1999 Opel Signum. (99 HP @ 3120 RPM). In normal driving conditions, 1991 Morgan Plus 4 should accelerate faster than 1999 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 1999 Opel Signum weights approximately 675 kg more than 1991 Morgan Plus 4.
Because 1991 Morgan Plus 4 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 1991 Morgan Plus 4. However, in wet, icy, snow, or gravel driving conditions, 1999 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, 1999 Opel Signum (240 Nm @ 1500 RPM) has 63 more torque (in Nm) than 1991 Morgan Plus 4. (177 Nm @ 4500 RPM). This means 1999 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1991 Morgan Plus 4.
Compare all specifications:
| 1991 Morgan Plus 4 | 1999 Opel Signum | |
| Make | Morgan | Opel |
| Model | Plus 4 | Signum |
| Year Released | 1991 | 1999 |
| Body Type | Convertible | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1994 cc | 1995 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 137 HP | 99 HP |
| Engine RPM | 6000 RPM | 3120 RPM |
| Torque | 177 Nm | 240 Nm |
| Torque RPM | 4500 RPM | 1500 RPM |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 920 kg | 1595 kg |
| Vehicle Length | 3900 mm | 4640 mm |
| Vehicle Width | 1510 mm | 1800 mm |
| Vehicle Height | 1280 mm | 1470 mm |
| Wheelbase Size | 2500 mm | 2840 mm |
