1972 BMW 520 vs. 1974 Opel Admiral
To start off, 1974 Opel Admiral is newer by 2 year(s). Which means there will be less support and parts availability for 1972 BMW 520. In addition, the cost of maintenance, including insurance, on 1972 BMW 520 would be higher. At 2,782 cc (6 cylinders), 1974 Opel Admiral is equipped with a bigger engine. In terms of performance, 1972 BMW 520 (150 HP @ 5900 RPM) has 8 more horse power than 1974 Opel Admiral. (142 HP @ 5200 RPM). In normal driving conditions, 1972 BMW 520 should accelerate faster than 1974 Opel Admiral. With that said, vehicle weight also plays an important factor in acceleration. 1974 Opel Admiral weights approximately 30 kg more than 1972 BMW 520.
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, 1974 Opel Admiral (227 Nm @ 3600 RPM) has 37 more torque (in Nm) than 1972 BMW 520. (190 Nm @ 4200 RPM). This means 1974 Opel Admiral will have an easier job in driving up hills or pulling heavy equipment than 1972 BMW 520.
Compare all specifications:
| 1972 BMW 520 | 1974 Opel Admiral | |
| Make | BMW | Opel |
| Model | 520 | Admiral |
| Year Released | 1972 | 1974 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1991 cc | 2782 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 150 HP | 142 HP |
| Engine RPM | 5900 RPM | 5200 RPM |
| Torque | 190 Nm | 227 Nm |
| Torque RPM | 4200 RPM | 3600 RPM |
| Engine Bore Size | 80 mm | 92 mm |
| Engine Stroke Size | 66 mm | 69.8 mm |
| Engine Compression Ratio | 11.0:1 | 9.5:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1445 kg | 1475 kg |
| Vehicle Length | 4630 mm | 4910 mm |
| Vehicle Width | 1700 mm | 1860 mm |
| Vehicle Height | 1430 mm | 1460 mm |
| Wheelbase Size | 2770 mm | 2850 mm |
| Fuel Tank Capacity | 80 L | 80 L |
