2009 Audi A6 vs. 1977 BMW 520
To start off, 2009 Audi A6 is newer by 32 year(s). Which means there will be less support and parts availability for 1977 BMW 520. In addition, the cost of maintenance, including insurance, on 1977 BMW 520 would be higher. At 3,122 cc (6 cylinders), 2009 Audi A6 is equipped with a bigger engine. In terms of performance, 2009 Audi A6 (252 HP @ 6500 RPM) has 132 more horse power than 1977 BMW 520. (120 HP @ 6000 RPM). In normal driving conditions, 2009 Audi A6 should accelerate faster than 1977 BMW 520. With that said, vehicle weight also plays an important factor in acceleration. 1977 BMW 520 weights approximately 280 kg more than 2009 Audi A6.
Because 2009 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 1977 BMW 520. In wet, icy, snow, or gravel driving conditions, 2009 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, 2009 Audi A6 (330 Nm @ 3250 RPM) has 170 more torque (in Nm) than 1977 BMW 520. (160 Nm @ 4000 RPM). This means 2009 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 1977 BMW 520. 2009 Audi A6 has automatic transmission and 1977 BMW 520 has manual transmission. 1977 BMW 520 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Audi A6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi A6 | 1977 BMW 520 | |
| Make | Audi | BMW |
| Model | A6 | 520 |
| Year Released | 2009 | 1977 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3122 cc | 1990 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 252 HP | 120 HP |
| Engine RPM | 6500 RPM | 6000 RPM |
| Torque | 330 Nm | 160 Nm |
| Torque RPM | 3250 RPM | 4000 RPM |
| Engine Bore Size | 84.5 mm | 80 mm |
| Engine Stroke Size | 92.8 mm | 66 mm |
| Engine Compression Ratio | 12.5:1 | 9.2:1 |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 243 km/hour | 180 km/hour |
| Acceleration 0-100mph | 8.2 seconds | 12 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 | 1030 kg | 1310 kg |
| Vehicle Length | 4920 mm | 4630 mm |
| Vehicle Width | 1860 mm | 1700 mm |
| Vehicle Height | 1470 mm | 1430 mm |
| Wheelbase Size | 2850 mm | 2640 mm |
| Fuel Tank Capacity | 70 L | 70 L |
