1977 BMW 520 vs. 1990 Opel Senator
To start off, 1990 Opel Senator is newer by 13 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 2,969 cc (6 cylinders), 1990 Opel Senator is equipped with a bigger engine. In terms of performance, 1990 Opel Senator (202 HP @ 6000 RPM) has 68 more horse power than 1977 BMW 520. (134 HP @ 4000 RPM) In normal driving conditions, 1990 Opel Senator should accelerate faster than 1977 BMW 520. With that said, vehicle weight also plays an important factor in acceleration. 1990 Opel Senator weights approximately 5 kg more than 1977 BMW 520. 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 5 more torque (in Nm) than 1990 Opel Senator. (275 Nm @ 3600 RPM). This means 1977 BMW 520 will have an easier job in driving up hills or pulling heavy equipment than 1990 Opel Senator.
Compare all specifications:
| 1977 BMW 520 | 1990 Opel Senator | |
| Make | BMW | Opel |
| Model | 520 | Senator |
| Year Released | 1977 | 1990 |
| Engine Position | Front | Front |
| Engine Size | 1951 cc | 2969 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 134 HP | 202 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 280 Nm | 275 Nm |
| Torque RPM | 1750 RPM | 3600 RPM |
| Engine Bore Size | 84 mm | 95 mm |
| Engine Stroke Size | 88 mm | 69.8 mm |
| Engine Compression Ratio | 19.0:1 | 10.1:1 |
| Top Speed | 206 km/hour | 224 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 | 1570 kg |
| Vehicle Length | 4780 mm | 4850 mm |
| Vehicle Width | 1810 mm | 1770 mm |
| Vehicle Height | 1440 mm | 1460 mm |
| Wheelbase Size | 2840 mm | 2740 mm |
| Fuel Tank Capacity | 70 L | 75 L |
