2007 Audi S4 vs. 1972 BMW 520
To start off, 2007 Audi S4 is newer by 35 year(s). Which means there will be less support and parts availability for 1972 BMW 520. In addition, the cost of maintenance, including insurance, on 1972 BMW 520 would be higher. At 4,163 cc (8 cylinders), 2007 Audi S4 is equipped with a bigger engine. In terms of performance, 2007 Audi S4 (341 HP @ 7000 RPM) has 228 more horse power than 1972 BMW 520. (113 HP @ 5800 RPM). In normal driving conditions, 2007 Audi S4 should accelerate faster than 1972 BMW 520.
Let's talk about torque, 2007 Audi S4 (410 Nm @ 3500 RPM) has 245 more torque (in Nm) than 1972 BMW 520. (165 Nm @ 3700 RPM). This means 2007 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1972 BMW 520.
Compare all specifications:
| 2007 Audi S4 | 1972 BMW 520 | |
| Make | Audi | BMW |
| Model | S4 | 520 |
| Year Released | 2007 | 1972 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 1989 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 341 HP | 113 HP |
| Engine RPM | 7000 RPM | 5800 RPM |
| Torque | 410 Nm | 165 Nm |
| Torque RPM | 3500 RPM | 3700 RPM |
| Engine Bore Size | 84.6 mm | 89 mm |
| Engine Stroke Size | 92.7 mm | 80 mm |
| Engine Compression Ratio | 11.0:1 | 9.0:1 |
| Top Speed | 249 km/hour | 172 km/hour |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 4590 mm | 4630 mm |
| Vehicle Width | 1730 mm | 1700 mm |
| Vehicle Height | 1430 mm | 1430 mm |
| Wheelbase Size | 2650 mm | 2640 mm |
| Fuel Tank Capacity | 63 L | 70 L |
