1956 Morris Isis vs. 2004 Opel Signum
To start off, 2004 Opel Signum is newer by 48 year(s). Which means there will be less support and parts availability for 1956 Morris Isis. In addition, the cost of maintenance, including insurance, on 1956 Morris Isis would be higher. At 2,639 cc (6 cylinders), 1956 Morris Isis is equipped with a bigger engine. In terms of performance, 2004 Opel Signum (148 HP @ 4000 RPM) has 63 more horse power than 1956 Morris Isis. (85 HP @ 4250 RPM) In normal driving conditions, 2004 Opel Signum should accelerate faster than 1956 Morris Isis. With that said, vehicle weight also plays an important factor in acceleration. 2004 Opel Signum weights approximately 313 kg more than 1956 Morris Isis. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1956 Morris Isis 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 1956 Morris Isis. However, in wet, icy, snow, or gravel driving conditions, 2004 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, 2004 Opel Signum (326 Nm @ 2000 RPM) has 158 more torque (in Nm) than 1956 Morris Isis. (168 Nm @ 2000 RPM). This means 2004 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1956 Morris Isis.
Compare all specifications:
| 1956 Morris Isis | 2004 Opel Signum | |
| Make | Morris | Opel |
| Model | Isis | Signum |
| Year Released | 1956 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 2639 cc | 1908 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 85 HP | 148 HP |
| Engine RPM | 4250 RPM | 4000 RPM |
| Torque | 168 Nm | 326 Nm |
| Torque RPM | 2000 RPM | 2000 RPM |
| Engine Bore Size | 79.4 mm | 82 mm |
| Engine Stroke Size | 88.9 mm | 90.4 mm |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1297 kg | 1610 kg |
| Vehicle Length | 4530 mm | 4640 mm |
| Vehicle Width | 1660 mm | 1800 mm |
| Vehicle Height | 1620 mm | 1470 mm |
| Wheelbase Size | 2470 mm | 2840 mm |
