1977 BMW 520 vs. 1986 Opel Omega
To start off, 1986 Opel Omega is newer by 9 year(s). Which means there will be less support and parts availability for 1977 BMW 520. In addition, the cost of maintenance, including insurance, on 1977 BMW 520 would be higher. At 1,951 cc (4 cylinders), 1977 BMW 520 is equipped with a bigger engine. In terms of performance, 1977 BMW 520 (134 HP @ 4000 RPM) has 47 more horse power than 1986 Opel Omega. (87 HP @ 5200 RPM). In normal driving conditions, 1977 BMW 520 should accelerate faster than 1986 Opel Omega. With that said, vehicle weight also plays an important factor in acceleration. 1977 BMW 520 weights approximately 415 kg more than 1986 Opel Omega. 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, 1977 BMW 520 (280 Nm @ 1750 RPM) has 140 more torque (in Nm) than 1986 Opel Omega. (140 Nm @ 3400 RPM). This means 1977 BMW 520 will have an easier job in driving up hills or pulling heavy equipment than 1986 Opel Omega.
Compare all specifications:
| 1977 BMW 520 | 1986 Opel Omega | |
| Make | BMW | Opel |
| Model | 520 | Omega |
| Year Released | 1977 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 1951 cc | 1796 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 134 HP | 87 HP |
| Engine RPM | 4000 RPM | 5200 RPM |
| Torque | 280 Nm | 140 Nm |
| Torque RPM | 1750 RPM | 3400 RPM |
| Engine Bore Size | 84 mm | 84.8 mm |
| Engine Stroke Size | 88 mm | 79.5 mm |
| Top Speed | 206 km/hour | 183 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1565 kg | 1150 kg |
| Vehicle Length | 4780 mm | 4690 mm |
| Vehicle Width | 1810 mm | 1780 mm |
| Vehicle Height | 1440 mm | 1450 mm |
| Wheelbase Size | 2840 mm | 2670 mm |
