1978 BMW 725 vs. 2007 BMW 320
To start off, 2007 BMW 320 is newer by 29 year(s). Which means there will be less support and parts availability for 1978 BMW 725. In addition, the cost of maintenance, including insurance, on 1978 BMW 725 would be higher. At 2,495 cc (6 cylinders), 1978 BMW 725 is equipped with a bigger engine. In terms of performance, both vehicles can yield 148 horse power. So under normal driving conditions, the acceleration of both vehicles should be relatively similar.
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 BMW 725 (215 Nm @ 4000 RPM) has 15 more torque (in Nm) than 2007 BMW 320. (200 Nm @ 3600 RPM). This means 1978 BMW 725 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 320.
Compare all specifications:
| 1978 BMW 725 | 2007 BMW 320 | |
| Make | BMW | BMW |
| Model | 725 | 320 |
| Year Released | 1978 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2495 cc | 1995 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 148 HP | 148 HP |
| Engine RPM | 5500 RPM | 6200 RPM |
| Torque | 215 Nm | 200 Nm |
| Torque RPM | 4000 RPM | 3600 RPM |
| Engine Bore Size | 86.1 mm | 84 mm |
| Engine Stroke Size | 71.6 mm | 90 mm |
| Engine Compression Ratio | 9.6:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 4870 mm | 4530 mm |
| Vehicle Width | 1810 mm | 1430 mm |
| Vehicle Height | 1440 mm | 1820 mm |
| Wheelbase Size | 2810 mm | 2770 mm |
