2003 Audi RS6 vs. 1975 BMW 320
To start off, 2003 Audi RS6 is newer by 28 year(s). Which means there will be less support and parts availability for 1975 BMW 320. In addition, the cost of maintenance, including insurance, on 1975 BMW 320 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 335 more horse power than 1975 BMW 320. (109 HP @ 5800 RPM). In normal driving conditions, 2003 Audi RS6 should accelerate faster than 1975 BMW 320. With that said, vehicle weight also plays an important factor in acceleration. 2003 Audi RS6 weights approximately 790 kg more than 1975 BMW 320. 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 1975 BMW 320. 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 403 more torque (in Nm) than 1975 BMW 320. (157 Nm @ 3700 RPM). This means 2003 Audi RS6 will have an easier job in driving up hills or pulling heavy equipment than 1975 BMW 320.
Compare all specifications:
| 2003 Audi RS6 | 1975 BMW 320 | |
| Make | Audi | BMW |
| Model | RS6 | 320 |
| Year Released | 2003 | 1975 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 1990 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 444 HP | 109 HP |
| Engine RPM | 6300 RPM | 5800 RPM |
| Torque | 560 Nm | 157 Nm |
| Torque RPM | 1950 RPM | 3700 RPM |
| Engine Bore Size | 84.5 mm | 89 mm |
| Engine Stroke Size | 93 mm | 80 mm |
| Engine Compression Ratio | 9.3:1 | 8.1:1 |
| Fuel Type | Gasoline | Gasoline |
| 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 | 1120 kg |
| Vehicle Length | 4860 mm | 4360 mm |
| Vehicle Width | 1860 mm | 1620 mm |
| Vehicle Height | 1460 mm | 1350 mm |
| Wheelbase Size | 2760 mm | 2580 mm |
| Fuel Tank Capacity | 82 L | 52 L |
