1980 Audi Sport vs. 2005 Audi S4
To start off, 2005 Audi S4 is newer by 25 year(s). Which means there will be less support and parts availability for 1980 Audi Sport. In addition, the cost of maintenance, including insurance, on 1980 Audi Sport 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 40 more horse power than 1980 Audi Sport. (300 HP @ 6500 RPM) In normal driving conditions, 2005 Audi S4 should accelerate faster than 1980 Audi Sport. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S4 weights approximately 840 kg more than 1980 Audi Sport. 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 80 more torque (in Nm) than 1980 Audi Sport. (330 Nm). This means 2005 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1980 Audi Sport.
Compare all specifications:
| 1980 Audi Sport | 2005 Audi S4 | |
| Make | Audi | Audi |
| Model | Sport | S4 |
| Year Released | 1980 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 2133 cc | 4161 cc |
| Engine Cylinders | 5 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 300 HP | 340 HP |
| Engine RPM | 6500 RPM | 6300 RPM |
| Torque | 330 Nm | 410 Nm |
| Engine Bore Size | 79.3 mm | 85 mm |
| Engine Stroke Size | 86.4 mm | 93 mm |
| Engine Compression Ratio | 8.0:1 | 11.0:1 |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1000 kg | 1840 kg |
| Vehicle Length | 4170 mm | 4580 mm |
| Vehicle Width | 1810 mm | 1780 mm |
| Vehicle Height | 1350 mm | 1400 mm |
| Wheelbase Size | 2210 mm | 2660 mm |
| Fuel Tank Capacity | 90 L | 63 L |
