1991 Alpina B vs. 1956 Morris Isis
To start off, 1991 Alpina B is newer by 35 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 5,646 cc (12 cylinders), 1991 Alpina B is equipped with a bigger engine. In terms of performance, 1991 Alpina B (410 HP @ 5400 RPM) has 325 more horse power than 1956 Morris Isis. (85 HP @ 4250 RPM). In normal driving conditions, 1991 Alpina B should accelerate faster than 1956 Morris Isis. With that said, vehicle weight also plays an important factor in acceleration. 1991 Alpina B weights approximately 569 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, 1991 Alpina B (570 Nm @ 4000 RPM) has 402 more torque (in Nm) than 1956 Morris Isis. (168 Nm @ 2000 RPM). This means 1991 Alpina B will have an easier job in driving up hills or pulling heavy equipment than 1956 Morris Isis.
Compare all specifications:
| 1991 Alpina B | 1956 Morris Isis | |
| Make | Alpina | Morris |
| Model | B | Isis |
| Year Released | 1991 | 1956 |
| Engine Size | 5646 cc | 2639 cc |
| Engine Cylinders | 12 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 410 HP | 85 HP |
| Engine RPM | 5400 RPM | 4250 RPM |
| Torque | 570 Nm | 168 Nm |
| Torque RPM | 4000 RPM | 2000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1866 kg | 1297 kg |
| Vehicle Length | 4790 mm | 4530 mm |
| Vehicle Width | 1860 mm | 1660 mm |
| Vehicle Height | 1350 mm | 1620 mm |
| Wheelbase Size | 2690 mm | 2470 mm |
