1981 BMW 725 vs. 1993 Porsche 928
To start off, 1993 Porsche 928 is newer by 12 year(s). Which means there will be less support and parts availability for 1981 BMW 725. In addition, the cost of maintenance, including insurance, on 1981 BMW 725 would be higher. At 4,662 cc (8 cylinders), 1993 Porsche 928 is equipped with a bigger engine. In terms of performance, 1993 Porsche 928 (306 HP @ 5900 RPM) has 158 more horse power than 1981 BMW 725. (148 HP @ 5500 RPM) In normal driving conditions, 1993 Porsche 928 should accelerate faster than 1981 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, 1993 Porsche 928 (408 Nm @ 4100 RPM) has 193 more torque (in Nm) than 1981 BMW 725. (215 Nm @ 4000 RPM). This means 1993 Porsche 928 will have an easier job in driving up hills or pulling heavy equipment than 1981 BMW 725.
Compare all specifications:
| 1981 BMW 725 | 1993 Porsche 928 | |
| Make | BMW | Porsche |
| Model | 725 | 928 |
| Year Released | 1981 | 1993 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2493 cc | 4662 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 148 HP | 306 HP |
| Engine RPM | 5500 RPM | 5900 RPM |
| Torque | 215 Nm | 408 Nm |
| Torque RPM | 4000 RPM | 4100 RPM |
| Engine Bore Size | 86 mm | 97 mm |
| Engine Stroke Size | 71.6 mm | 78.9 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Length | 4870 mm | 4450 mm |
| Vehicle Width | 1810 mm | 1840 mm |
| Vehicle Height | 1440 mm | 1290 mm |
| Wheelbase Size | 2810 mm | 2510 mm |
