2005 BMW 325 vs. 1978 BMW 730
To start off, 2005 BMW 325 is newer by 27 year(s). Which means there will be less support and parts availability for 1978 BMW 730. In addition, the cost of maintenance, including insurance, on 1978 BMW 730 would be higher. At 2,788 cc (6 cylinders), 1978 BMW 730 is equipped with a bigger engine. In terms of performance, 2005 BMW 325 (189 HP @ 7400 RPM) has 4 more horse power than 1978 BMW 730. (185 HP @ 5800 RPM). In normal driving conditions, 2005 BMW 325 should accelerate faster than 1978 BMW 730. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 325 weights approximately 15 kg more than 1978 BMW 730. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2005 BMW 325 (238 Nm) has 8 more torque (in Nm) than 1978 BMW 730. (230 Nm). This means 2005 BMW 325 will have an easier job in driving up hills or pulling heavy equipment than 1978 BMW 730.
Compare all specifications:
| 2005 BMW 325 | 1978 BMW 730 | |
| Make | BMW | BMW |
| Model | 325 | 730 |
| Year Released | 2005 | 1978 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2491 cc | 2788 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 189 HP | 185 HP |
| Engine RPM | 7400 RPM | 5800 RPM |
| Torque | 238 Nm | 230 Nm |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1525 kg | 1510 kg |
| Vehicle Length | 4480 mm | 4870 mm |
| Vehicle Width | 1750 mm | 1810 mm |
| Vehicle Height | 1420 mm | 1440 mm |
| Wheelbase Size | 2730 mm | 2810 mm |
