2005 Audi S4 vs. 1981 Tatra T613
To start off, 2005 Audi S4 is newer by 24 year(s). Which means there will be less support and parts availability for 1981 Tatra T613. In addition, the cost of maintenance, including insurance, on 1981 Tatra T613 would be higher. At 4,161 cc (8 cylinders), 2005 Audi S4 is equipped with a bigger engine. In terms of performance, 2005 Audi S4 (340 HP @ 6300 RPM) has 173 more horse power than 1981 Tatra T613. (167 HP @ 5600 RPM). In normal driving conditions, 2005 Audi S4 should accelerate faster than 1981 Tatra T613. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S4 weights approximately 150 kg more than 1981 Tatra T613. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2005 Audi S4 (410 Nm) has 140 more torque (in Nm) than 1981 Tatra T613. (270 Nm). This means 2005 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1981 Tatra T613.
Compare all specifications:
| 2005 Audi S4 | 1981 Tatra T613 | |
| Make | Audi | Tatra |
| Model | S4 | T613 |
| Year Released | 2005 | 1981 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Rear |
| Engine Size | 4161 cc | 3495 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 340 HP | 167 HP |
| Engine RPM | 6300 RPM | 5600 RPM |
| Torque | 410 Nm | 270 Nm |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1840 kg | 1690 kg |
| Vehicle Length | 4580 mm | 5030 mm |
| Vehicle Width | 1780 mm | 1810 mm |
| Vehicle Height | 1400 mm | 1450 mm |
| Wheelbase Size | 2660 mm | 2990 mm |
