1978 BMW 730 vs. 2010 BMW 123
To start off, 2010 BMW 123 is newer by 32 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, 2010 BMW 123 (202 HP @ 4400 RPM) has 17 more horse power than 1978 BMW 730. (185 HP @ 5800 RPM) In normal driving conditions, 2010 BMW 123 should accelerate faster than 1978 BMW 730. With that said, vehicle weight also plays an important factor in acceleration. 1978 BMW 730 weights approximately 25 kg more than 2010 BMW 123.
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, 2010 BMW 123 (400 Nm @ 2000 RPM) has 170 more torque (in Nm) than 1978 BMW 730. (230 Nm @ 4000 RPM). This means 2010 BMW 123 will have an easier job in driving up hills or pulling heavy equipment than 1978 BMW 730.
Compare all specifications:
| 1978 BMW 730 | 2010 BMW 123 | |
| Make | BMW | BMW |
| Model | 730 | 123 |
| Year Released | 1978 | 2010 |
| Engine Position | Front | Front |
| Engine Size | 2788 cc | 1995 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 185 HP | 202 HP |
| Engine RPM | 5800 RPM | 4400 RPM |
| Torque | 230 Nm | 400 Nm |
| Torque RPM | 4000 RPM | 2000 RPM |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1510 kg | 1485 kg |
| Vehicle Length | 4870 mm | 4239 mm |
| Vehicle Width | 1810 mm | 1748 mm |
| Vehicle Height | 1440 mm | 1421 mm |
| Wheelbase Size | 2810 mm | 2660 mm |
