1978 BMW B7 vs. 2006 BMW X5
To start off, 2006 BMW X5 is newer by 28 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. 2006 BMW X5 weights approximately 570 kg more than 1978 BMW B7.
Because 2006 BMW X5 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, 2006 BMW X5 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 337 more torque (in Nm) than 2006 BMW X5. (290 Nm). This means 1978 BMW B7 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW X5.
Compare all specifications:
| 1978 BMW B7 | 2006 BMW X5 | |
| Make | BMW | BMW |
| Model | B7 | X5 |
| Year Released | 1978 | 2006 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 3500 cc | 2978 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 0 HP | 227 HP |
| Torque | 627 Nm | 290 Nm |
| Top Speed | 262 km/hour | 209 km/hour |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 1500 kg | 2070 kg |
| Wheelbase Size | 2800 mm | 2830 mm |
| Fuel Tank Capacity | 70 L | 93 L |
