1991 BMW 525 vs. 1983 Opel Senator
To start off, 1991 BMW 525 is newer by 8 year(s). Which means there will be less support and parts availability for 1983 Opel Senator. In addition, the cost of maintenance, including insurance, on 1983 Opel Senator would be higher. At 2,496 cc (6 cylinders), 1991 BMW 525 is equipped with a bigger engine. In terms of performance, 1991 BMW 525 (143 HP @ 4800 RPM) has 29 more horse power than 1983 Opel Senator. (114 HP @ 4800 RPM). In normal driving conditions, 1991 BMW 525 should accelerate faster than 1983 Opel Senator. With that said, vehicle weight also plays an important factor in acceleration. 1991 BMW 525 weights approximately 240 kg more than 1983 Opel Senator. 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, 1991 BMW 525 (260 Nm @ 2200 RPM) has 74 more torque (in Nm) than 1983 Opel Senator. (186 Nm @ 2800 RPM). This means 1991 BMW 525 will have an easier job in driving up hills or pulling heavy equipment than 1983 Opel Senator.
Compare all specifications:
| 1991 BMW 525 | 1983 Opel Senator | |
| Make | BMW | Opel |
| Model | 525 | Senator |
| Year Released | 1991 | 1983 |
| Engine Position | Front | Front |
| Engine Size | 2496 cc | 2197 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 143 HP | 114 HP |
| Engine RPM | 4800 RPM | 4800 RPM |
| Torque | 260 Nm | 186 Nm |
| Torque RPM | 2200 RPM | 2800 RPM |
| Engine Bore Size | 80 mm | 95.1 mm |
| Engine Stroke Size | 83 mm | 77.5 mm |
| Engine Compression Ratio | 22.0:1 | 9.4:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1560 kg | 1320 kg |
| Vehicle Length | 4730 mm | 4820 mm |
| Vehicle Width | 1760 mm | 1730 mm |
| Vehicle Height | 1420 mm | 1420 mm |
| Wheelbase Size | 2770 mm | 2690 mm |
