1978 BMW 725 vs. 2002 BMW X5
To start off, 2002 BMW X5 is newer by 24 year(s). Which means there will be less support and parts availability for 1978 BMW 725. In addition, the cost of maintenance, including insurance, on 1978 BMW 725 would be higher. At 2,926 cc (6 cylinders), 2002 BMW X5 is equipped with a bigger engine. In terms of performance, 2002 BMW X5 (226 HP @ 7400 RPM) has 78 more horse power than 1978 BMW 725. (148 HP @ 5500 RPM) In normal driving conditions, 2002 BMW X5 should accelerate faster than 1978 BMW 725.
Because 2002 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 1978 BMW 725. In wet, icy, snow, or gravel driving conditions, 2002 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, 2002 BMW X5 (290 Nm) has 75 more torque (in Nm) than 1978 BMW 725. (215 Nm). This means 2002 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 1978 BMW 725.
Compare all specifications:
| 1978 BMW 725 | 2002 BMW X5 | |
| Make | BMW | BMW |
| Model | 725 | X5 |
| Year Released | 1978 | 2002 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 2495 cc | 2926 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 148 HP | 226 HP |
| Engine RPM | 5500 RPM | 7400 RPM |
| Torque | 215 Nm | 290 Nm |
| Drive Type | Rear | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Length | 4870 mm | 4670 mm |
| Vehicle Width | 1810 mm | 1880 mm |
| Vehicle Height | 1440 mm | 1710 mm |
| Wheelbase Size | 2810 mm | 2890 mm |
