1975 BMW 320 vs. 2001 BMW 520
To start off, 2001 BMW 520 is newer by 26 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 2,171 cc (6 cylinders), 2001 BMW 520 is equipped with a bigger engine. In terms of performance, 2001 BMW 520 (167 HP @ 6500 RPM) has 58 more horse power than 1975 BMW 320. (109 HP @ 5800 RPM) In normal driving conditions, 2001 BMW 520 should accelerate faster than 1975 BMW 320. With that said, vehicle weight also plays an important factor in acceleration. 2001 BMW 520 weights approximately 550 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, 2001 BMW 520 (210 Nm @ 3500 RPM) has 53 more torque (in Nm) than 1975 BMW 320. (157 Nm @ 3700 RPM). This means 2001 BMW 520 will have an easier job in driving up hills or pulling heavy equipment than 1975 BMW 320.
Compare all specifications:
| 1975 BMW 320 | 2001 BMW 520 | |
| Make | BMW | BMW |
| Model | 320 | 520 |
| Year Released | 1975 | 2001 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 1990 cc | 2171 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 109 HP | 167 HP |
| Engine RPM | 5800 RPM | 6500 RPM |
| Torque | 157 Nm | 210 Nm |
| Torque RPM | 3700 RPM | 3500 RPM |
| Engine Bore Size | 89 mm | 80 mm |
| Engine Stroke Size | 80 mm | 72 mm |
| Engine Compression Ratio | 8.1:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1120 kg | 1670 kg |
| Vehicle Length | 4360 mm | 4810 mm |
| Vehicle Width | 1620 mm | 1810 mm |
| Vehicle Height | 1350 mm | 1450 mm |
| Wheelbase Size | 2580 mm | 2840 mm |
| Fuel Tank Capacity | 52 L | 70 L |
