1978 BMW 628 vs. 1975 Mercedes-Benz S
To start off, 1978 BMW 628 is newer by 3 year(s). Which means there will be less support and parts availability for 1975 Mercedes-Benz S. In addition, the cost of maintenance, including insurance, on 1975 Mercedes-Benz S would be higher. At 6,834 cc (8 cylinders), 1975 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 1975 Mercedes-Benz S (283 HP @ 4250 RPM) has 98 more horse power than 1978 BMW 628. (185 HP @ 5800 RPM) In normal driving conditions, 1975 Mercedes-Benz S should accelerate faster than 1978 BMW 628.
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, 1975 Mercedes-Benz S (549 Nm @ 3000 RPM) has 289 more torque (in Nm) than 1978 BMW 628. (260 Nm @ 4000 RPM). This means 1975 Mercedes-Benz S will have an easier job in driving up hills or pulling heavy equipment than 1978 BMW 628.
Compare all specifications:
| 1978 BMW 628 | 1975 Mercedes-Benz S | |
| Make | BMW | Mercedes-Benz |
| Model | 628 | S |
| Year Released | 1978 | 1975 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2997 cc | 6834 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 185 HP | 283 HP |
| Engine RPM | 5800 RPM | 4250 RPM |
| Torque | 260 Nm | 549 Nm |
| Torque RPM | 4000 RPM | 3000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Length | 4760 mm | 4970 mm |
| Vehicle Width | 1760 mm | 1880 mm |
| Vehicle Height | 1390 mm | 1430 mm |
| Wheelbase Size | 2640 mm | 2870 mm |
