1978 BMW B7 vs. 2005 BMW 525
To start off, 2005 BMW 525 is newer by 27 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. 2005 BMW 525 weights approximately 260 kg more than 1978 BMW B7.
Because 2005 BMW 525 is four wheel drive (4WD), it will have significant more traction and grip than 1978 BMW B7. In wet, icy, snow, or gravel driving conditions, 2005 BMW 525 will offer significantly more control. 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 377 more torque (in Nm) than 2005 BMW 525. (250 Nm). This means 1978 BMW B7 will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW 525.
Compare all specifications:
| 1978 BMW B7 | 2005 BMW 525 | |
| Make | BMW | BMW |
| Model | B7 | 525 |
| Year Released | 1978 | 2005 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 3500 cc | 2496 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 0 HP | 225 HP |
| Torque | 627 Nm | 250 Nm |
| Top Speed | 262 km/hour | 232 km/hour |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 1500 kg | 1760 kg |
| Wheelbase Size | 2800 mm | 2890 mm |
| Fuel Tank Capacity | 70 L | 70 L |
