1981 Alfa Romeo Spider vs. 1978 Tatra T613
To start off, 1981 Alfa Romeo Spider is newer by 3 year(s). Which means there will be less support and parts availability for 1978 Tatra T613. In addition, the cost of maintenance, including insurance, on 1978 Tatra T613 would be higher. At 3,495 cc (8 cylinders), 1978 Tatra T613 is equipped with a bigger engine. In terms of performance, 1978 Tatra T613 (167 HP @ 5600 RPM) has 64 more horse power than 1981 Alfa Romeo Spider. (103 HP @ 5500 RPM) In normal driving conditions, 1978 Tatra T613 should accelerate faster than 1981 Alfa Romeo Spider. With that said, vehicle weight also plays an important factor in acceleration. 1978 Tatra T613 weights approximately 692 kg more than 1981 Alfa Romeo Spider. 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, 1978 Tatra T613 (270 Nm @ 3300 RPM) has 125 more torque (in Nm) than 1981 Alfa Romeo Spider. (145 Nm @ 4500 RPM). This means 1978 Tatra T613 will have an easier job in driving up hills or pulling heavy equipment than 1981 Alfa Romeo Spider.
Compare all specifications:
| 1981 Alfa Romeo Spider | 1978 Tatra T613 | |
| Make | Alfa Romeo | Tatra |
| Model | Spider | T613 |
| Year Released | 1981 | 1978 |
| Body Type | Roadster | Sedan |
| Engine Position | Front | Rear |
| Engine Size | 1570 cc | 3495 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 103 HP | 167 HP |
| Engine RPM | 5500 RPM | 5600 RPM |
| Torque | 145 Nm | 270 Nm |
| Torque RPM | 4500 RPM | 3300 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1000 kg | 1692 kg |
| Vehicle Length | 4130 mm | 5030 mm |
| Vehicle Width | 1640 mm | 1810 mm |
| Vehicle Height | 1300 mm | 1450 mm |
| Wheelbase Size | 2260 mm | 2990 mm |
