1981 BMW 725 vs. 1973 Mercedes-Benz 450
To start off, 1981 BMW 725 is newer by 8 year(s). Which means there will be less support and parts availability for 1973 Mercedes-Benz 450. In addition, the cost of maintenance, including insurance, on 1973 Mercedes-Benz 450 would be higher. At 4,519 cc (8 cylinders), 1973 Mercedes-Benz 450 is equipped with a bigger engine. In terms of performance, 1973 Mercedes-Benz 450 (225 HP @ 5000 RPM) has 77 more horse power than 1981 BMW 725. (148 HP @ 5500 RPM) In normal driving conditions, 1973 Mercedes-Benz 450 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, 1973 Mercedes-Benz 450 (378 Nm @ 3000 RPM) has 163 more torque (in Nm) than 1981 BMW 725. (215 Nm @ 4000 RPM). This means 1973 Mercedes-Benz 450 will have an easier job in driving up hills or pulling heavy equipment than 1981 BMW 725.
Compare all specifications:
1981 BMW 725 | 1973 Mercedes-Benz 450 | |
Make | BMW | Mercedes-Benz |
Model | 725 | 450 |
Year Released | 1981 | 1973 |
Engine Position | Front | Front |
Engine Size | 2493 cc | 4519 cc |
Engine Cylinders | 6 cylinders | 8 cylinders |
Engine Type | in-line | V |
Valves per Cylinder | 2 valves | 2 valves |
Horse Power | 148 HP | 225 HP |
Engine RPM | 5500 RPM | 5000 RPM |
Torque | 215 Nm | 378 Nm |
Torque RPM | 4000 RPM | 3000 RPM |
Engine Bore Size | 86 mm | 92 mm |
Engine Stroke Size | 71.6 mm | 85 mm |
Engine Compression Ratio | 9.6:1 | 8.8:1 |
Drive Type | Rear | Rear |
Number of Seats | 5 seats | 4 seats |
Number of Doors | 4 doors | 2 doors |
Vehicle Length | 4870 mm | 4760 mm |
Vehicle Width | 1810 mm | 1800 mm |
Vehicle Height | 1440 mm | 1340 mm |
Wheelbase Size | 2810 mm | 2820 mm |