1981 BMW 725 vs. 1986 Mercedes-Benz 500
To start off, 1986 Mercedes-Benz 500 is newer by 5 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 4,973 cc (8 cylinders), 1986 Mercedes-Benz 500 is equipped with a bigger engine. In terms of performance, 1986 Mercedes-Benz 500 (245 HP @ 4750 RPM) has 97 more horse power than 1981 BMW 725. (148 HP @ 5500 RPM) In normal driving conditions, 1986 Mercedes-Benz 500 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, 1986 Mercedes-Benz 500 (399 Nm @ 2750 RPM) has 184 more torque (in Nm) than 1981 BMW 725. (215 Nm @ 4000 RPM). This means 1986 Mercedes-Benz 500 will have an easier job in driving up hills or pulling heavy equipment than 1981 BMW 725.
Compare all specifications:
1981 BMW 725 | 1986 Mercedes-Benz 500 | |
Make | BMW | Mercedes-Benz |
Model | 725 | 500 |
Year Released | 1981 | 1986 |
Engine Position | Front | Front |
Engine Size | 2493 cc | 4973 cc |
Engine Cylinders | 6 cylinders | 8 cylinders |
Engine Type | in-line | V |
Horse Power | 148 HP | 245 HP |
Engine RPM | 5500 RPM | 4750 RPM |
Torque | 215 Nm | 399 Nm |
Torque RPM | 4000 RPM | 2750 RPM |
Engine Bore Size | 86 mm | 96.5 mm |
Engine Stroke Size | 71.6 mm | 85 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 | 5140 mm |
Vehicle Width | 1810 mm | 1830 mm |
Vehicle Height | 1440 mm | 1440 mm |
Wheelbase Size | 2810 mm | 3080 mm |