2009 BMW 523 vs. 1978 BMW B7
To start off, 2009 BMW 523 is newer by 31 year(s). Which means there will be less support and parts availability for 1978 BMW B7. In addition, the cost of maintenance, including insurance, on 1978 BMW B7 would be higher. At 3,500 cc (6 cylinders), 1978 BMW B7 is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 523 weights approximately 75 kg more than 1978 BMW B7.
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 B7 (627 Nm) has 397 more torque (in Nm) than 2009 BMW 523. (230 Nm). This means 1978 BMW B7 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 523. 2009 BMW 523 has automatic transmission and 1978 BMW B7 has manual transmission. 1978 BMW B7 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 BMW 523 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 BMW 523 | 1978 BMW B7 | |
| Make | BMW | BMW |
| Model | 523 | B7 |
| Year Released | 2009 | 1978 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 3500 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 175 HP | 0 HP |
| Torque | 230 Nm | 627 Nm |
| Top Speed | 230 km/hour | 262 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 1575 kg | 1500 kg |
| Wheelbase Size | 2890 mm | 2800 mm |
| Fuel Tank Capacity | 70 L | 70 L |
