2004 Audi A6 vs. 1972 BMW 520
To start off, 2004 Audi A6 is newer by 32 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 2,974 cc (6 cylinders), 2004 Audi A6 is equipped with a bigger engine. In terms of performance, 2004 Audi A6 (221 HP @ 4000 RPM) has 71 more horse power than 1972 BMW 520. (150 HP @ 5900 RPM). In normal driving conditions, 2004 Audi A6 should accelerate faster than 1972 BMW 520. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A6 weights approximately 320 kg more than 1972 BMW 520. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 1972 BMW 520. In wet, icy, snow, or gravel driving conditions, 2004 Audi A6 will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2004 Audi A6 (430 Nm @ 1400 RPM) has 240 more torque (in Nm) than 1972 BMW 520. (190 Nm @ 4200 RPM). This means 2004 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 1972 BMW 520. 2004 Audi A6 has automatic transmission and 1972 BMW 520 has manual transmission. 1972 BMW 520 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2004 Audi A6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 Audi A6 | 1972 BMW 520 | |
| Make | Audi | BMW |
| Model | A6 | 520 |
| Year Released | 2004 | 1972 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2974 cc | 1991 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 221 HP | 150 HP |
| Engine RPM | 4000 RPM | 5900 RPM |
| Torque | 430 Nm | 190 Nm |
| Torque RPM | 1400 RPM | 4200 RPM |
| Engine Bore Size | 83 mm | 80 mm |
| Engine Stroke Size | 91.4 mm | 66 mm |
| Engine Compression Ratio | 17.0:1 | 11.0:1 |
| Top Speed | 243 km/hour | 211 km/hour |
| Acceleration 0-100mph | 7.9 seconds | 10.6 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1765 kg | 1445 kg |
| Vehicle Length | 4920 mm | 4630 mm |
| Vehicle Width | 1860 mm | 1700 mm |
| Vehicle Height | 1460 mm | 1430 mm |
| Wheelbase Size | 2850 mm | 2770 mm |
| Fuel Consumption | 6.3 L/100km | 7.3 L/100km |
| Fuel Consumption City | 11.8 L/100km | 12.4 L/100km |
| Fuel Consumption Overall | 8.3 L/100km | 9.2 L/100km |
| Fuel Tank Capacity | 80 L | 80 L |
