2004 Audi A6 vs. 1978 BMW 730
To start off, 2004 Audi A6 is newer by 26 year(s). Which means there will be less support and parts availability for 1978 BMW 730. In addition, the cost of maintenance, including insurance, on 1978 BMW 730 would be higher. At 2,788 cc (6 cylinders), 1978 BMW 730 is equipped with a bigger engine. In terms of performance, 1978 BMW 730 (185 HP @ 5800 RPM) has 5 more horse power than 2004 Audi A6. (180 HP @ 6000 RPM) In normal driving conditions, 1978 BMW 730 should accelerate faster than 2004 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A6 weights approximately 152 kg more than 1978 BMW 730.
Because 1978 BMW 730 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1978 BMW 730. However, in wet, icy, snow, or gravel driving conditions, 2004 Audi A6, being front wheel drive (FWD), will offer much better control with better grip. 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, 2004 Audi A6 (235 Nm @ 3000 RPM) has 5 more torque (in Nm) than 1978 BMW 730. (230 Nm @ 4000 RPM). This means 2004 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 1978 BMW 730.
Compare all specifications:
| 2004 Audi A6 | 1978 BMW 730 | |
| Make | Audi | BMW |
| Model | A6 | 730 |
| Year Released | 2004 | 1978 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2496 cc | 2788 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 180 HP | 185 HP |
| Engine RPM | 6000 RPM | 5800 RPM |
| Torque | 235 Nm | 230 Nm |
| Torque RPM | 3000 RPM | 4000 RPM |
| Engine Compression Ratio | 10.3:1 | 10.0:1 |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1662 kg | 1510 kg |
| Vehicle Length | 4940 mm | 4870 mm |
| Vehicle Width | 1860 mm | 1810 mm |
| Vehicle Height | 1470 mm | 1440 mm |
| Wheelbase Size | 2660 mm | 2810 mm |
