2005 Audi RS6 vs. 1977 BMW 520
To start off, 2005 Audi RS6 is newer by 28 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 4,172 cc (8 cylinders), 2005 Audi RS6 is equipped with a bigger engine. In terms of performance, 2005 Audi RS6 (444 HP @ 5700 RPM) has 310 more horse power than 1977 BMW 520. (134 HP @ 4000 RPM). In normal driving conditions, 2005 Audi RS6 should accelerate faster than 1977 BMW 520. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi RS6 weights approximately 300 kg more than 1977 BMW 520. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Audi RS6 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, 2005 Audi RS6 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, 2005 Audi RS6 (580 Nm @ 1950 RPM) has 300 more torque (in Nm) than 1977 BMW 520. (280 Nm @ 1750 RPM). This means 2005 Audi RS6 will have an easier job in driving up hills or pulling heavy equipment than 1977 BMW 520. 2005 Audi RS6 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. 2005 Audi RS6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Audi RS6 | 1977 BMW 520 | |
| Make | Audi | BMW |
| Model | RS6 | 520 |
| Year Released | 2005 | 1977 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 1951 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 444 HP | 134 HP |
| Engine RPM | 5700 RPM | 4000 RPM |
| Torque | 580 Nm | 280 Nm |
| Torque RPM | 1950 RPM | 1750 RPM |
| Engine Bore Size | 84.5 mm | 84 mm |
| Engine Stroke Size | 93 mm | 88 mm |
| Engine Compression Ratio | 9.0:1 | 19.0:1 |
| Top Speed | 250 km/hour | 206 km/hour |
| Acceleration 0-100mph | 4.7 seconds | 10.9 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1865 kg | 1565 kg |
| Vehicle Length | 4840 mm | 4780 mm |
| Vehicle Width | 1860 mm | 1810 mm |
| Vehicle Height | 1400 mm | 1440 mm |
| Wheelbase Size | 2760 mm | 2840 mm |
| Fuel Consumption Overall | 14.6 L/100km | 5.9 L/100km |
| Fuel Tank Capacity | 82 L | 70 L |
