1978 BMW 725 vs. 2009 Mercedes-Benz C
To start off, 2009 Mercedes-Benz C is newer by 31 year(s). Which means there will be less support and parts availability for 1978 BMW 725. In addition, the cost of maintenance, including insurance, on 1978 BMW 725 would be higher. At 6,208 cc, 2009 Mercedes-Benz C is equipped with a bigger engine. In terms of performance, 2009 Mercedes-Benz C (451 HP @ 6800 RPM) has 303 more horse power than 1978 BMW 725. (148 HP @ 5500 RPM) In normal driving conditions, 2009 Mercedes-Benz C should accelerate faster than 1978 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, 2009 Mercedes-Benz C (600 Nm @ 5000 RPM) has 385 more torque (in Nm) than 1978 BMW 725. (215 Nm @ 4000 RPM). This means 2009 Mercedes-Benz C will have an easier job in driving up hills or pulling heavy equipment than 1978 BMW 725.
Compare all specifications:
| 1978 BMW 725 | 2009 Mercedes-Benz C | |
| Make | BMW | Mercedes-Benz |
| Model | 725 | C |
| Year Released | 1978 | 2009 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2495 cc | 6208 cc |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 148 HP | 451 HP |
| Engine RPM | 5500 RPM | 6800 RPM |
| Torque | 215 Nm | 600 Nm |
| Torque RPM | 4000 RPM | 5000 RPM |
| Engine Bore Size | 86.1 mm | 102 mm |
| Engine Stroke Size | 71.6 mm | 94.6 mm |
| Engine Compression Ratio | 9.6:1 | 11.3:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Length | 4870 mm | 4720 mm |
| Vehicle Width | 1810 mm | 1490 mm |
| Vehicle Height | 1440 mm | 1800 mm |
| Wheelbase Size | 2810 mm | 2770 mm |
