1957 Morris Isis vs. 1975 Triumph TR7
To start off, 1975 Triumph TR7 is newer by 18 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, 1975 Triumph TR7 (106 HP @ 5500 RPM) has 21 more horse power than 1957 Morris Isis. (85 HP @ 4250 RPM) In normal driving conditions, 1975 Triumph TR7 should accelerate faster than 1957 Morris Isis.
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 8 more torque (in Nm) than 1975 Triumph TR7. (161 Nm @ 3500 RPM). This means 1957 Morris Isis will have an easier job in driving up hills or pulling heavy equipment than 1975 Triumph TR7. 1975 Triumph TR7 has automatic transmission and 1957 Morris Isis has manual transmission. 1957 Morris Isis will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1975 Triumph TR7 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1957 Morris Isis | 1975 Triumph TR7 | |
| Make | Morris | Triumph |
| Model | Isis | TR7 |
| Year Released | 1957 | 1975 |
| Engine Position | Front | Front |
| Engine Size | 2639 cc | 1998 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 85 HP | 106 HP |
| Engine RPM | 4250 RPM | 5500 RPM |
| Torque | 169 Nm | 161 Nm |
| Torque RPM | 2000 RPM | 3500 RPM |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Vehicle Length | 4530 mm | 4070 mm |
| Vehicle Width | 1660 mm | 1690 mm |
| Vehicle Height | 1620 mm | 1270 mm |
| Wheelbase Size | 2470 mm | 2170 mm |
