2007 BMW X5 vs. 1983 BMW 725
To start off, 2007 BMW X5 is newer by 24 year(s). Which means there will be less support and parts availability for 1983 BMW 725. In addition, the cost of maintenance, including insurance, on 1983 BMW 725 would be higher. At 2,993 cc (6 cylinders), 2007 BMW X5 is equipped with a bigger engine. In terms of performance, 2007 BMW X5 (201 HP @ 4000 RPM) has 53 more horse power than 1983 BMW 725. (148 HP @ 5500 RPM). In normal driving conditions, 2007 BMW X5 should accelerate faster than 1983 BMW 725.
Because 2007 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 1983 BMW 725. 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, 2007 BMW X5 (480 Nm @ 1750 RPM) has 265 more torque (in Nm) than 1983 BMW 725. (215 Nm @ 4000 RPM). This means 2007 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 1983 BMW 725.
Compare all specifications:
| 2007 BMW X5 | 1983 BMW 725 | |
| Make | BMW | BMW |
| Model | X5 | 725 |
| Year Released | 2007 | 1983 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 2495 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 201 HP | 148 HP |
| Engine RPM | 4000 RPM | 5500 RPM |
| Torque | 480 Nm | 215 Nm |
| Torque RPM | 1750 RPM | 4000 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Width | 1880 mm | 1810 mm |
