1973 BMW 525 vs. 1977 BMW 320
To start off, 1977 BMW 320 is newer by 4 year(s). Which means there will be less support and parts availability for 1973 BMW 525. In addition, the cost of maintenance, including insurance, on 1973 BMW 525 would be higher. At 2,494 cc (6 cylinders), 1973 BMW 525 is equipped with a bigger engine. In terms of performance, 1973 BMW 525 (143 HP @ 6000 RPM) has 21 more horse power than 1977 BMW 320. (122 HP @ 6000 RPM). In normal driving conditions, 1973 BMW 525 should accelerate faster than 1977 BMW 320. With that said, vehicle weight also plays an important factor in acceleration. 1973 BMW 525 weights approximately 260 kg more than 1977 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, 1973 BMW 525 (208 Nm @ 4000 RPM) has 48 more torque (in Nm) than 1977 BMW 320. (160 Nm @ 4000 RPM). This means 1973 BMW 525 will have an easier job in driving up hills or pulling heavy equipment than 1977 BMW 320.
Compare all specifications:
| 1973 BMW 525 | 1977 BMW 320 | |
| Make | BMW | BMW |
| Model | 525 | 320 |
| Year Released | 1973 | 1977 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2494 cc | 1989 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 143 HP | 122 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 208 Nm | 160 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Engine Compression Ratio | 9.0:1 | 9.2:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1380 kg | 1120 kg |
| Vehicle Length | 4630 mm | 4360 mm |
| Vehicle Width | 1700 mm | 1620 mm |
| Vehicle Height | 1430 mm | 1390 mm |
| Wheelbase Size | 2640 mm | 2580 mm |
| Fuel Tank Capacity | 70 L | 52 L |
