1991 Audi V8 vs. 1977 BMW 520
To start off, 1991 Audi V8 is newer by 14 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 3,562 cc (8 cylinders), 1991 Audi V8 is equipped with a bigger engine. In terms of performance, 1991 Audi V8 (247 HP @ 5800 RPM) has 113 more horse power than 1977 BMW 520. (134 HP @ 4000 RPM). In normal driving conditions, 1991 Audi V8 should accelerate faster than 1977 BMW 520. With that said, vehicle weight also plays an important factor in acceleration. 1991 Audi V8 weights approximately 225 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 1991 Audi V8 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, 1991 Audi V8 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, 1991 Audi V8 (340 Nm @ 4000 RPM) has 60 more torque (in Nm) than 1977 BMW 520. (280 Nm @ 1750 RPM). This means 1991 Audi V8 will have an easier job in driving up hills or pulling heavy equipment than 1977 BMW 520.
Compare all specifications:
| 1991 Audi V8 | 1977 BMW 520 | |
| Make | Audi | BMW |
| Model | V8 | 520 |
| Year Released | 1991 | 1977 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3562 cc | 1951 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 247 HP | 134 HP |
| Engine RPM | 5800 RPM | 4000 RPM |
| Torque | 340 Nm | 280 Nm |
| Torque RPM | 4000 RPM | 1750 RPM |
| Engine Bore Size | 81.1 mm | 84 mm |
| Engine Stroke Size | 86.4 mm | 88 mm |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1790 kg | 1565 kg |
| Vehicle Length | 4870 mm | 4780 mm |
| Vehicle Width | 1820 mm | 1810 mm |
| Vehicle Height | 1430 mm | 1440 mm |
| Wheelbase Size | 2710 mm | 2840 mm |
| Fuel Tank Capacity | 80 L | 70 L |
