1999 BMW 529 vs. 1975 BMW 320
To start off, 1999 BMW 529 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 2,979 cc (6 cylinders), 1999 BMW 529 is equipped with a bigger engine. In terms of performance, 1999 BMW 529 (193 HP @ 4000 RPM) has 65 more horse power than 1975 BMW 320. (128 HP @ 6000 RPM). In normal driving conditions, 1999 BMW 529 should accelerate faster than 1975 BMW 320. With that said, vehicle weight also plays an important factor in acceleration. 1999 BMW 529 weights approximately 575 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 529 (410 Nm @ 1750 RPM) has 236 more torque (in Nm) than 1975 BMW 320. (174 Nm @ 4000 RPM). This means 1999 BMW 529 will have an easier job in driving up hills or pulling heavy equipment than 1975 BMW 320.
Compare all specifications:
| 1999 BMW 529 | 1975 BMW 320 | |
| Make | BMW | BMW |
| Model | 529 | 320 |
| Year Released | 1999 | 1975 |
| Engine Position | Front | Front |
| Engine Size | 2979 cc | 1991 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 193 HP | 128 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 410 Nm | 174 Nm |
| Torque RPM | 1750 RPM | 4000 RPM |
| Engine Bore Size | 84 mm | 80 mm |
| Engine Stroke Size | 88 mm | 66 mm |
| Engine Compression Ratio | 18.0:1 | 9.8:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1625 kg | 1050 kg |
| Vehicle Length | 4810 mm | 4330 mm |
| Vehicle Width | 1810 mm | 1650 mm |
| Vehicle Height | 1450 mm | 1390 mm |
| Wheelbase Size | 2840 mm | 2580 mm |
