2005 Audi S4 vs. 1981 Ferrari 512 BBi
To start off, 2005 Audi S4 is newer by 24 year(s). Which means there will be less support and parts availability for 1981 Ferrari 512 BBi. In addition, the cost of maintenance, including insurance, on 1981 Ferrari 512 BBi would be higher. At 4,942 cc, 1981 Ferrari 512 BBi is equipped with a bigger engine. In terms of performance, both vehicles can yield 340 horse power. So under normal driving conditions, the acceleration of both vehicles should be relatively similar. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S4 weights approximately 341 kg more than 1981 Ferrari 512 BBi.
Let's talk about torque, 1981 Ferrari 512 BBi (451 Nm) has 41 more torque (in Nm) than 2005 Audi S4. (410 Nm). This means 1981 Ferrari 512 BBi will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi S4.
Compare all specifications:
| 2005 Audi S4 | 1981 Ferrari 512 BBi | |
| Make | Audi | Ferrari |
| Model | S4 | 512 BBi |
| Year Released | 2005 | 1981 |
| Engine Position | Front | Middle |
| Engine Size | 4161 cc | 4942 cc |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 340 HP | 340 HP |
| Engine RPM | 6300 RPM | 6300 RPM |
| Torque | 410 Nm | 451 Nm |
| Engine Bore Size | 85 mm | 82.1 mm |
| Engine Stroke Size | 93 mm | 78 mm |
| Engine Compression Ratio | 11.0:1 | 9.2:1 |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1840 kg | 1499 kg |
| Vehicle Length | 4580 mm | 4410 mm |
| Vehicle Width | 1780 mm | 1840 mm |
| Vehicle Height | 1400 mm | 1130 mm |
| Wheelbase Size | 2660 mm | 2510 mm |
| Fuel Tank Capacity | 63 L | 120 L |
