1957 Morris Isis vs. 1973 Tatra T613
To start off, 1973 Tatra T613 is newer by 16 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 3,495 cc (8 cylinders), 1973 Tatra T613 is equipped with a bigger engine. In terms of performance, 1973 Tatra T613 (167 HP @ 5600 RPM) has 82 more horse power than 1957 Morris Isis. (85 HP @ 4250 RPM) In normal driving conditions, 1973 Tatra T613 should accelerate faster than 1957 Morris Isis. With that said, vehicle weight also plays an important factor in acceleration. 1973 Tatra T613 weights approximately 375 kg more than 1957 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, 1973 Tatra T613 (270 Nm @ 3300 RPM) has 101 more torque (in Nm) than 1957 Morris Isis. (169 Nm @ 2000 RPM). This means 1973 Tatra T613 will have an easier job in driving up hills or pulling heavy equipment than 1957 Morris Isis.
Compare all specifications:
| 1957 Morris Isis | 1973 Tatra T613 | |
| Make | Morris | Tatra |
| Model | Isis | T613 |
| Year Released | 1957 | 1973 |
| Engine Position | Front | Rear |
| Engine Size | 2639 cc | 3495 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 85 HP | 167 HP |
| Engine RPM | 4250 RPM | 5600 RPM |
| Torque | 169 Nm | 270 Nm |
| Torque RPM | 2000 RPM | 3300 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 1315 kg | 1690 kg |
| Vehicle Length | 4530 mm | 5030 mm |
| Vehicle Width | 1660 mm | 1810 mm |
| Vehicle Height | 1620 mm | 1450 mm |
| Wheelbase Size | 2470 mm | 2990 mm |
