1980 BMW M5 vs. 1956 Morris Isis
To start off, 1980 BMW M5 is newer by 24 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 3,453 cc (6 cylinders), 1980 BMW M5 is equipped with a bigger engine. In terms of performance, 1980 BMW M5 (218 HP @ 5200 RPM) has 133 more horse power than 1956 Morris Isis. (85 HP @ 4250 RPM). In normal driving conditions, 1980 BMW M5 should accelerate faster than 1956 Morris Isis. With that said, vehicle weight also plays an important factor in acceleration. 1980 BMW M5 weights approximately 94 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.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 1980 BMW M5 (304 Nm @ 4000 RPM) has 136 more torque (in Nm) than 1956 Morris Isis. (168 Nm @ 2000 RPM). This means 1980 BMW M5 will have an easier job in driving up hills or pulling heavy equipment than 1956 Morris Isis.
Compare all specifications:
| 1980 BMW M5 | 1956 Morris Isis | |
| Make | BMW | Morris |
| Model | M5 | Isis |
| Year Released | 1980 | 1956 |
| Engine Position | Front | Front |
| Engine Size | 3453 cc | 2639 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 218 HP | 85 HP |
| Engine RPM | 5200 RPM | 4250 RPM |
| Torque | 304 Nm | 168 Nm |
| Torque RPM | 4000 RPM | 2000 RPM |
| Engine Bore Size | 93.4 mm | 79.4 mm |
| Engine Stroke Size | 84 mm | 88.9 mm |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1391 kg | 1297 kg |
| Vehicle Length | 4620 mm | 4530 mm |
| Vehicle Width | 1700 mm | 1660 mm |
| Vehicle Height | 1430 mm | 1620 mm |
| Wheelbase Size | 2640 mm | 2470 mm |
