1986 Ford Sierra vs. 1979 Mercedes-Benz 250
To start off, 1986 Ford Sierra is newer by 7 year(s). Which means there will be less support and parts availability for 1979 Mercedes-Benz 250. In addition, the cost of maintenance, including insurance, on 1979 Mercedes-Benz 250 would be higher. At 2,525 cc (6 cylinders), 1979 Mercedes-Benz 250 is equipped with a bigger engine. In terms of performance, 1986 Ford Sierra (202 HP @ 6000 RPM) has 64 more horse power than 1979 Mercedes-Benz 250. (138 HP @ 5500 RPM). In normal driving conditions, 1986 Ford Sierra should accelerate faster than 1979 Mercedes-Benz 250. With that said, vehicle weight also plays an important factor in acceleration. 1979 Mercedes-Benz 250 weights approximately 180 kg more than 1986 Ford Sierra.
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 Ford Sierra (277 Nm @ 4500 RPM) has 77 more torque (in Nm) than 1979 Mercedes-Benz 250. (200 Nm @ 3500 RPM). This means 1986 Ford Sierra will have an easier job in driving up hills or pulling heavy equipment than 1979 Mercedes-Benz 250.
Compare all specifications:
| 1986 Ford Sierra | 1979 Mercedes-Benz 250 | |
| Make | Ford | Mercedes-Benz |
| Model | Sierra | 250 |
| Year Released | 1986 | 1979 |
| Engine Position | Front | Front |
| Engine Size | 1993 cc | 2525 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 202 HP | 138 HP |
| Engine RPM | 6000 RPM | 5500 RPM |
| Torque | 277 Nm | 200 Nm |
| Torque RPM | 4500 RPM | 3500 RPM |
| Engine Bore Size | 90.8 mm | 86 mm |
| Engine Stroke Size | 77 mm | 72.5 mm |
| Engine Compression Ratio | 8.0:1 | 9.0:1 |
| Top Speed | 230 km/hour | 185 km/hour |
| Acceleration 0-100mph | 6.8 seconds | 11.6 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 4 doors |
| Vehicle Weight | 1180 kg | 1360 kg |
| Vehicle Length | 4430 mm | 4730 mm |
| Vehicle Width | 1730 mm | 1790 mm |
| Vehicle Height | 1430 mm | 1450 mm |
| Wheelbase Size | 2610 mm | 2800 mm |
| Fuel Tank Capacity | 116 L | 80 L |
