1999 Audi RS4 vs. 1977 BMW 520
To start off, 1999 Audi RS4 is newer by 22 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 2,671 cc (6 cylinders), 1999 Audi RS4 is equipped with a bigger engine. In terms of performance, 1999 Audi RS4 (250 HP @ 6100 RPM) has 116 more horse power than 1977 BMW 520. (134 HP @ 4000 RPM). In normal driving conditions, 1999 Audi RS4 should accelerate faster than 1977 BMW 520. With that said, vehicle weight also plays an important factor in acceleration. 1999 Audi RS4 weights approximately 55 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 1999 Audi RS4 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, 1999 Audi RS4 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.
Compare all specifications:
| 1999 Audi RS4 | 1977 BMW 520 | |
| Make | Audi | BMW |
| Model | RS4 | 520 |
| Year Released | 1999 | 1977 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2671 cc | 1951 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 250 HP | 134 HP |
| Engine RPM | 6100 RPM | 4000 RPM |
| Engine Bore Size | 81.1 mm | 84 mm |
| Engine Stroke Size | 86.4 mm | 88 mm |
| Engine Compression Ratio | 9.0:1 | 19.0:1 |
| Acceleration 0-100mph | 4.9 seconds | 10.9 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1620 kg | 1565 kg |
| Vehicle Length | 4530 mm | 4780 mm |
| Vehicle Width | 1810 mm | 1810 mm |
| Vehicle Height | 1390 mm | 1440 mm |
| Wheelbase Size | 2610 mm | 2840 mm |
| Fuel Tank Capacity | 62 L | 70 L |
