1978 Opel Senator vs. 2009 BMW 325
To start off, 2009 BMW 325 is newer by 31 year(s). Which means there will be less support and parts availability for 1978 Opel Senator. In addition, the cost of maintenance, including insurance, on 1978 Opel Senator would be higher. At 2,494 cc (6 cylinders), 2009 BMW 325 is equipped with a bigger engine. In terms of performance, 2009 BMW 325 (215 HP @ 6100 RPM) has 79 more horse power than 1978 Opel Senator. (136 HP @ 5600 RPM) In normal driving conditions, 2009 BMW 325 should accelerate faster than 1978 Opel Senator. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 325 weights approximately 825 kg more than 1978 Opel Senator. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 BMW 325 is four wheel drive (4WD), it will have significant more traction and grip than 1978 Opel Senator. In wet, icy, snow, or gravel driving conditions, 2009 BMW 325 will offer significantly more control. 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, 2009 BMW 325 (270 Nm @ 2400 RPM) has 84 more torque (in Nm) than 1978 Opel Senator. (186 Nm @ 4600 RPM). This means 2009 BMW 325 will have an easier job in driving up hills or pulling heavy equipment than 1978 Opel Senator.
Compare all specifications:
| 1978 Opel Senator | 2009 BMW 325 | |
| Make | Opel | BMW |
| Model | Senator | 325 |
| Year Released | 1978 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 2488 cc | 2494 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 136 HP | 215 HP |
| Engine RPM | 5600 RPM | 6100 RPM |
| Torque | 186 Nm | 270 Nm |
| Torque RPM | 4600 RPM | 2400 RPM |
| Engine Bore Size | 87 mm | 85 mm |
| Engine Stroke Size | 69.8 mm | 88 mm |
| Engine Compression Ratio | 9.2:1 | 12.0:1 |
| Top Speed | 190 km/hour | 244 km/hour |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 790 kg | 1615 kg |
| Vehicle Length | 4850 mm | 4530 mm |
| Vehicle Width | 1730 mm | 1820 mm |
| Vehicle Height | 1390 mm | 1430 mm |
| Wheelbase Size | 2690 mm | 2770 mm |
