1978 Opel Senator vs. 2007 BMW 325
To start off, 2007 BMW 325 is newer by 29 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 2,969 cc (6 cylinders), 1978 Opel Senator is equipped with a bigger engine. In terms of performance, 2007 BMW 325 (189 HP @ 6000 RPM) has 19 more horse power than 1978 Opel Senator. (170 HP @ 5400 RPM) In normal driving conditions, 2007 BMW 325 should accelerate faster than 1978 Opel Senator. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 325 weights approximately 155 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.
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, 1978 Opel Senator (248 Nm @ 4200 RPM) has 3 more torque (in Nm) than 2007 BMW 325. (245 Nm @ 3500 RPM). This means 1978 Opel Senator will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 325.
Compare all specifications:
| 1978 Opel Senator | 2007 BMW 325 | |
| Make | Opel | BMW |
| Model | Senator | 325 |
| Year Released | 1978 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 2969 cc | 2493 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 170 HP | 189 HP |
| Engine RPM | 5400 RPM | 6000 RPM |
| Torque | 248 Nm | 245 Nm |
| Torque RPM | 4200 RPM | 3500 RPM |
| Engine Bore Size | 95.1 mm | 84 mm |
| Engine Stroke Size | 69.8 mm | 75 mm |
| Engine Compression Ratio | 6.0:1 | 11.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1340 kg | 1495 kg |
| Vehicle Length | 4820 mm | 4490 mm |
| Vehicle Width | 1730 mm | 1760 mm |
| Vehicle Height | 1390 mm | 1380 mm |
| Wheelbase Size | 2740 mm | 2730 mm |
| Fuel Consumption Overall | 5.3 L/100km | 9.1 L/100km |
| Fuel Tank Capacity | 70 L | 63 L |
