2003 Morgan 4 vs. 2007 Opel Signum
To start off, 2007 Opel Signum is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Morgan 4. In addition, the cost of maintenance, including insurance, on 2003 Morgan 4 would be higher. At 1,909 cc (4 cylinders), 2007 Opel Signum is equipped with a bigger engine. In terms of performance, 2007 Opel Signum (148 HP @ 4000 RPM) has 36 more horse power than 2003 Morgan 4. (112 HP @ 5750 RPM) In normal driving conditions, 2007 Opel Signum should accelerate faster than 2003 Morgan 4. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Signum weights approximately 641 kg more than 2003 Morgan 4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 Morgan 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 2003 Morgan 4. However, in wet, icy, snow, or gravel driving conditions, 2007 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, 2007 Opel Signum (315 Nm @ 2000 RPM) has 155 more torque (in Nm) than 2003 Morgan 4. (160 Nm @ 4500 RPM). This means 2007 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2003 Morgan 4.
Compare all specifications:
| 2003 Morgan 4 | 2007 Opel Signum | |
| Make | Morgan | Opel |
| Model | 4 | Signum |
| Year Released | 2003 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 1796 cc | 1909 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 112 HP | 148 HP |
| Engine RPM | 5750 RPM | 4000 RPM |
| Torque | 160 Nm | 315 Nm |
| Torque RPM | 4500 RPM | 2000 RPM |
| Engine Bore Size | 80.6 mm | 82 mm |
| Engine Stroke Size | 88 mm | 90.4 mm |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 972 kg | 1613 kg |
| Vehicle Length | 4030 mm | 4640 mm |
| Vehicle Width | 1530 mm | 1800 mm |
| Vehicle Height | 1300 mm | 1470 mm |
| Wheelbase Size | 2450 mm | 2840 mm |
| Fuel Tank Capacity | 50 L | 60 L |
