1991 BMW 730 vs. 1975 Audi Fox
To start off, 1991 BMW 730 is newer by 16 year(s). Which means there will be less support and parts availability for 1975 Audi Fox. In addition, the cost of maintenance, including insurance, on 1975 Audi Fox would be higher. At 2,986 cc (6 cylinders), 1991 BMW 730 is equipped with a bigger engine. In terms of performance, 1991 BMW 730 (185 HP @ 5800 RPM) has 95 more horse power than 1975 Audi Fox. (90 HP @ 5600 RPM). In normal driving conditions, 1991 BMW 730 should accelerate faster than 1975 Audi Fox. With that said, vehicle weight also plays an important factor in acceleration. 1991 BMW 730 weights approximately 580 kg more than 1975 Audi Fox. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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 BMW 730 (260 Nm) has 97 more torque (in Nm) than 1975 Audi Fox. (163 Nm). This means 1991 BMW 730 will have an easier job in driving up hills or pulling heavy equipment than 1975 Audi Fox.
Compare all specifications:
| 1991 BMW 730 | 1975 Audi Fox | |
| Make | BMW | Audi |
| Model | 730 | Fox |
| Year Released | 1991 | 1975 |
| Engine Position | Front | Front |
| Engine Size | 2986 cc | 1779 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 185 HP | 90 HP |
| Engine RPM | 5800 RPM | 5600 RPM |
| Torque | 260 Nm | 163 Nm |
| Engine Bore Size | 89 mm | 81 mm |
| Engine Stroke Size | 80 mm | 86.4 mm |
| Engine Compression Ratio | 9.0:1 | 10.0:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1600 kg | 1020 kg |
| Vehicle Length | 4920 mm | 4400 mm |
| Vehicle Width | 1850 mm | 1680 mm |
| Vehicle Height | 1420 mm | 1380 mm |
| Wheelbase Size | 2840 mm | 2550 mm |
