2007 BMW X5 vs. 1978 BMW B7
To start off, 2007 BMW X5 is newer by 29 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 4,398 cc (8 cylinders), 2007 BMW X5 is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW X5 weights approximately 696 kg more than 1978 BMW B7.
Because 2007 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, 2007 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 187 more torque (in Nm) than 2007 BMW X5. (440 Nm). This means 1978 BMW B7 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW X5. 2007 BMW X5 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. 2007 BMW X5 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 BMW X5 | 1978 BMW B7 | |
| Make | BMW | BMW |
| Model | X5 | B7 |
| Year Released | 2007 | 1978 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 3500 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 316 HP | 0 HP |
| Torque | 440 Nm | 627 Nm |
| Top Speed | 229 km/hour | 262 km/hour |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 2196 kg | 1500 kg |
| Wheelbase Size | 2830 mm | 2800 mm |
| Fuel Tank Capacity | 85 L | 70 L |
