2004 BMW 120 vs. 1984 BMW 725
To start off, 2004 BMW 120 is newer by 20 year(s). Which means there will be less support and parts availability for 1984 BMW 725. In addition, the cost of maintenance, including insurance, on 1984 BMW 725 would be higher. At 2,495 cc (6 cylinders), 1984 BMW 725 is equipped with a bigger engine. In terms of performance, 1984 BMW 725 (148 HP @ 5500 RPM) has 28 more horse power than 2004 BMW 120. (120 HP @ 4000 RPM) In normal driving conditions, 1984 BMW 725 should accelerate faster than 2004 BMW 120.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 2004 BMW 120 (285 Nm @ 2000 RPM) has 70 more torque (in Nm) than 1984 BMW 725. (215 Nm @ 4000 RPM). This means 2004 BMW 120 will have an easier job in driving up hills or pulling heavy equipment than 1984 BMW 725.
Compare all specifications:
| 2004 BMW 120 | 1984 BMW 725 | |
| Make | BMW | BMW |
| Model | 120 | 725 |
| Year Released | 2004 | 1984 |
| Engine Position | Front | Front |
| Engine Size | 1971 cc | 2495 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 120 HP | 148 HP |
| Engine RPM | 4000 RPM | 5500 RPM |
| Torque | 285 Nm | 215 Nm |
| Torque RPM | 2000 RPM | 4000 RPM |
| Engine Bore Size | 84 mm | 86 mm |
| Engine Stroke Size | 90 mm | 71.6 mm |
| Engine Compression Ratio | 17.2:1 | 9.6:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Length | 4230 mm | 4870 mm |
| Vehicle Width | 1760 mm | 1810 mm |
| Vehicle Height | 1440 mm | 1440 mm |
| Wheelbase Size | 2670 mm | 2810 mm |
