2007 BMW X3 vs. 1983 BMW 525
To start off, 2007 BMW X3 is newer by 24 year(s). Which means there will be less support and parts availability for 1983 BMW 525. In addition, the cost of maintenance, including insurance, on 1983 BMW 525 would be higher. At 2,979 cc (6 cylinders), 2007 BMW X3 is equipped with a bigger engine. In terms of performance, 2007 BMW X3 (260 HP @ 6600 RPM) has 137 more horse power than 1983 BMW 525. (123 HP @ 4250 RPM). In normal driving conditions, 2007 BMW X3 should accelerate faster than 1983 BMW 525.
Because 2007 BMW X3 is four wheel drive (4WD), it will have significant more traction and grip than 1983 BMW 525. In wet, icy, snow, or gravel driving conditions, 2007 BMW X3 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 X3 (306 Nm @ 2750 RPM) has 65 more torque (in Nm) than 1983 BMW 525. (241 Nm @ 3250 RPM). This means 2007 BMW X3 will have an easier job in driving up hills or pulling heavy equipment than 1983 BMW 525.
Compare all specifications:
| 2007 BMW X3 | 1983 BMW 525 | |
| Make | BMW | BMW |
| Model | X3 | 525 |
| Year Released | 2007 | 1983 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2979 cc | 2693 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 260 HP | 123 HP |
| Engine RPM | 6600 RPM | 4250 RPM |
| Torque | 306 Nm | 241 Nm |
| Torque RPM | 2750 RPM | 3250 RPM |
| Engine Bore Size | 85 mm | 84 mm |
| Engine Stroke Size | 88 mm | 81 mm |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Length | 4580 mm | 4630 mm |
| Vehicle Width | 1860 mm | 1710 mm |
| Vehicle Height | 1680 mm | 1430 mm |
| Wheelbase Size | 2800 mm | 2630 mm |
| Fuel Tank Capacity | 67 L | 70 L |
