1984 BMW 628 vs. 1983 BMW 725
To start off, 1984 BMW 628 is newer by 1 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 2,788 cc (6 cylinders), 1984 BMW 628 is equipped with a bigger engine. In terms of performance, 1984 BMW 628 (181 HP @ 6000 RPM) has 33 more horse power than 1983 BMW 725. (148 HP @ 5500 RPM). In normal driving conditions, 1984 BMW 628 should accelerate faster than 1983 BMW 725.
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, 1984 BMW 628 (240 Nm @ 4000 RPM) has 25 more torque (in Nm) than 1983 BMW 725. (215 Nm @ 4000 RPM). This means 1984 BMW 628 will have an easier job in driving up hills or pulling heavy equipment than 1983 BMW 725.
Compare all specifications:
| 1984 BMW 628 | 1983 BMW 725 | |
| Make | BMW | BMW |
| Model | 628 | 725 |
| Year Released | 1984 | 1983 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2788 cc | 2495 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 181 HP | 148 HP |
| Engine RPM | 6000 RPM | 5500 RPM |
| Torque | 240 Nm | 215 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Engine Compression Ratio | 9.3:1 | 9.6:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Length | 4760 mm | 4870 mm |
| Vehicle Width | 1730 mm | 1810 mm |
| Vehicle Height | 1370 mm | 1440 mm |
| Wheelbase Size | 2640 mm | 2810 mm |
