1981 BMW 725 vs. 2005 Mercedes-Benz E
To start off, 2005 Mercedes-Benz E is newer by 24 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 3,199 cc (6 cylinders), 2005 Mercedes-Benz E is equipped with a bigger engine. In terms of performance, 2005 Mercedes-Benz E (221 HP @ 4200 RPM) has 73 more horse power than 1981 BMW 725. (148 HP @ 5500 RPM) In normal driving conditions, 2005 Mercedes-Benz E 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, 2005 Mercedes-Benz E (315 Nm) has 100 more torque (in Nm) than 1981 BMW 725. (215 Nm). This means 2005 Mercedes-Benz E will have an easier job in driving up hills or pulling heavy equipment than 1981 BMW 725.
Compare all specifications:
| 1981 BMW 725 | 2005 Mercedes-Benz E | |
| Make | BMW | Mercedes-Benz |
| Model | 725 | E |
| Year Released | 1981 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2493 cc | 3199 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 3 valves |
| Horse Power | 148 HP | 221 HP |
| Engine RPM | 5500 RPM | 4200 RPM |
| Torque | 215 Nm | 315 Nm |
| Engine Bore Size | 86 mm | 90 mm |
| Engine Stroke Size | 71.6 mm | 84 mm |
| Engine Compression Ratio | 9.6:1 | 10.0:1 |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 4870 mm | 4820 mm |
| Vehicle Width | 1810 mm | 1820 mm |
| Vehicle Height | 1440 mm | 1460 mm |
| Wheelbase Size | 2810 mm | 2720 mm |
