2003 Audi RS6 vs. 1981 BMW 528
To start off, 2003 Audi RS6 is newer by 22 year(s). Which means there will be less support and parts availability for 1981 BMW 528. In addition, the cost of maintenance, including insurance, on 1981 BMW 528 would be higher. At 4,163 cc (8 cylinders), 2003 Audi RS6 is equipped with a bigger engine. In terms of performance, 2003 Audi RS6 (444 HP @ 6300 RPM) has 263 more horse power than 1981 BMW 528. (181 HP @ 5800 RPM). In normal driving conditions, 2003 Audi RS6 should accelerate faster than 1981 BMW 528. With that said, vehicle weight also plays an important factor in acceleration. 2003 Audi RS6 weights approximately 610 kg more than 1981 BMW 528. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 Audi RS6 is four wheel drive (4WD), it will have significant more traction and grip than 1981 BMW 528. In wet, icy, snow, or gravel driving conditions, 2003 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, 2003 Audi RS6 (560 Nm @ 1950 RPM) has 320 more torque (in Nm) than 1981 BMW 528. (240 Nm @ 4200 RPM). This means 2003 Audi RS6 will have an easier job in driving up hills or pulling heavy equipment than 1981 BMW 528.
Compare all specifications:
| 2003 Audi RS6 | 1981 BMW 528 | |
| Make | Audi | BMW |
| Model | RS6 | 528 |
| Year Released | 2003 | 1981 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 2788 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 444 HP | 181 HP |
| Engine RPM | 6300 RPM | 5800 RPM |
| Torque | 560 Nm | 240 Nm |
| Torque RPM | 1950 RPM | 4200 RPM |
| Engine Bore Size | 84.5 mm | 86 mm |
| Engine Stroke Size | 93 mm | 80 mm |
| Engine Compression Ratio | 9.3:1 | 9.3:1 |
| Top Speed | 250 km/hour | 212 km/hour |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1910 kg | 1300 kg |
| Vehicle Length | 4860 mm | 4630 mm |
| Vehicle Width | 1860 mm | 1710 mm |
| Vehicle Height | 1460 mm | 1430 mm |
| Wheelbase Size | 2760 mm | 2630 mm |
| Fuel Tank Capacity | 82 L | 70 L |
