1957 Morgan Plus 4 vs. 2003 Opel Signum
To start off, 2003 Opel Signum is newer by 46 year(s). Which means there will be less support and parts availability for 1957 Morgan Plus 4. In addition, the cost of maintenance, including insurance, on 1957 Morgan Plus 4 would be higher. At 2,171 cc (4 cylinders), 2003 Opel Signum is equipped with a bigger engine. In terms of performance, 2003 Opel Signum (152 HP @ 5600 RPM) has 56 more horse power than 1957 Morgan Plus 4. (96 HP @ 4800 RPM) In normal driving conditions, 2003 Opel Signum should accelerate faster than 1957 Morgan Plus 4. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Signum weights approximately 725 kg more than 1957 Morgan Plus 4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1957 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 1957 Morgan Plus 4. However, in wet, icy, snow, or gravel driving conditions, 2003 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, 2003 Opel Signum (220 Nm @ 3800 RPM) has 54 more torque (in Nm) than 1957 Morgan Plus 4. (166 Nm @ 3000 RPM). This means 2003 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1957 Morgan Plus 4. 2003 Opel Signum has automatic transmission and 1957 Morgan Plus 4 has manual transmission. 1957 Morgan Plus 4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Opel Signum will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1957 Morgan Plus 4 | 2003 Opel Signum | |
| Make | Morgan | Opel |
| Model | Plus 4 | Signum |
| Year Released | 1957 | 2003 |
| Body Type | Convertible | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1991 cc | 2171 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 96 HP | 152 HP |
| Engine RPM | 4800 RPM | 5600 RPM |
| Torque | 166 Nm | 220 Nm |
| Torque RPM | 3000 RPM | 3800 RPM |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Automatic |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 840 kg | 1565 kg |
| Vehicle Length | 3660 mm | 4640 mm |
| Vehicle Width | 1430 mm | 1800 mm |
| Vehicle Height | 1330 mm | 1470 mm |
| Wheelbase Size | 2440 mm | 2840 mm |
