1999 BMW 750 vs. 1975 BMW 320
To start off, 1999 BMW 750 is newer by 24 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 5,370 cc (12 cylinders), 1999 BMW 750 is equipped with a bigger engine. In terms of performance, 1999 BMW 750 (317 HP @ 7400 RPM) has 189 more horse power than 1975 BMW 320. (128 HP @ 6000 RPM). In normal driving conditions, 1999 BMW 750 should accelerate faster than 1975 BMW 320. With that said, vehicle weight also plays an important factor in acceleration. 1999 BMW 750 weights approximately 1008 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.
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, 1999 BMW 750 (490 Nm) has 316 more torque (in Nm) than 1975 BMW 320. (174 Nm). This means 1999 BMW 750 will have an easier job in driving up hills or pulling heavy equipment than 1975 BMW 320.
Compare all specifications:
| 1999 BMW 750 | 1975 BMW 320 | |
| Make | BMW | BMW |
| Model | 750 | 320 |
| Year Released | 1999 | 1975 |
| Engine Position | Front | Front |
| Engine Size | 5370 cc | 1991 cc |
| Engine Cylinders | 12 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 317 HP | 128 HP |
| Engine RPM | 7400 RPM | 6000 RPM |
| Torque | 490 Nm | 174 Nm |
| Engine Bore Size | 85.1 mm | 80 mm |
| Engine Stroke Size | 79 mm | 66 mm |
| Engine Compression Ratio | 10.0:1 | 9.8:1 |
| Top Speed | 206 km/hour | 195 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 2058 kg | 1050 kg |
| Vehicle Length | 5130 mm | 4330 mm |
| Vehicle Width | 1870 mm | 1650 mm |
| Vehicle Height | 1430 mm | 1390 mm |
| Wheelbase Size | 3080 mm | 2580 mm |
