2005 Audi S4 vs. 1981 Avanti Avanti
To start off, 2005 Audi S4 is newer by 24 year(s). Which means there will be less support and parts availability for 1981 Avanti Avanti. In addition, the cost of maintenance, including insurance, on 1981 Avanti Avanti would be higher. At 5,733 cc (8 cylinders), 1981 Avanti Avanti is equipped with a bigger engine. In terms of performance, 2005 Audi S4 (340 HP @ 4000 RPM) has 186 more horse power than 1981 Avanti Avanti. (154 HP @ 4000 RPM). In normal driving conditions, 2005 Audi S4 should accelerate faster than 1981 Avanti Avanti. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S4 weights approximately 245 kg more than 1981 Avanti Avanti. 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 44 more torque (in Nm) than 1981 Avanti Avanti. (366 Nm). This means 2005 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1981 Avanti Avanti.
Compare all specifications:
| 2005 Audi S4 | 1981 Avanti Avanti | |
| Make | Audi | Avanti |
| Model | S4 | Avanti |
| Year Released | 2005 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 5733 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Horse Power | 340 HP | 154 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 410 Nm | 366 Nm |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 1785 kg | 1540 kg |
| Vehicle Length | 4550 mm | 4910 mm |
| Vehicle Width | 1770 mm | 1800 mm |
| Vehicle Height | 1430 mm | 1380 mm |
| Wheelbase Size | 2470 mm | 2780 mm |
