1957 Morris Isis vs. 1976 Sunbeam Rapier
To start off, 1976 Sunbeam Rapier is newer by 19 year(s). Which means there will be less support and parts availability for 1957 Morris Isis. In addition, the cost of maintenance, including insurance, on 1957 Morris Isis would be higher. At 2,639 cc (6 cylinders), 1957 Morris Isis is equipped with a bigger engine. In terms of performance, 1957 Morris Isis (85 HP @ 4250 RPM) has 6 more horse power than 1976 Sunbeam Rapier. (79 HP @ 5200 RPM). In normal driving conditions, 1957 Morris Isis should accelerate faster than 1976 Sunbeam Rapier. With that said, vehicle weight also plays an important factor in acceleration. 1957 Morris Isis weights approximately 285 kg more than 1976 Sunbeam Rapier. 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, 1957 Morris Isis (169 Nm @ 2000 RPM) has 43 more torque (in Nm) than 1976 Sunbeam Rapier. (126 Nm @ 3800 RPM). This means 1957 Morris Isis will have an easier job in driving up hills or pulling heavy equipment than 1976 Sunbeam Rapier.
Compare all specifications:
| 1957 Morris Isis | 1976 Sunbeam Rapier | |
| Make | Morris | Sunbeam |
| Model | Isis | Rapier |
| Year Released | 1957 | 1976 |
| Engine Position | Front | Front |
| Engine Size | 2639 cc | 1725 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 85 HP | 79 HP |
| Engine RPM | 4250 RPM | 5200 RPM |
| Torque | 169 Nm | 126 Nm |
| Torque RPM | 2000 RPM | 3800 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 1315 kg | 1030 kg |
| Vehicle Length | 4530 mm | 4440 mm |
| Vehicle Width | 1660 mm | 1670 mm |
| Vehicle Height | 1620 mm | 1390 mm |
| Wheelbase Size | 2470 mm | 2510 mm |
