1987 Ford Sierra vs. 1985 Mercedes-Benz 420
To start off, 1987 Ford Sierra is newer by 2 year(s). Which means there will be less support and parts availability for 1985 Mercedes-Benz 420. In addition, the cost of maintenance, including insurance, on 1985 Mercedes-Benz 420 would be higher. At 4,196 cc (8 cylinders), 1985 Mercedes-Benz 420 is equipped with a bigger engine. In terms of performance, 1985 Mercedes-Benz 420 (218 HP @ 5200 RPM) has 114 more horse power than 1987 Ford Sierra. (104 HP @ 5200 RPM) In normal driving conditions, 1985 Mercedes-Benz 420 should accelerate faster than 1987 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1985 Mercedes-Benz 420 weights approximately 545 kg more than 1987 Ford Sierra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 1985 Mercedes-Benz 420 (329 Nm @ 3750 RPM) has 169 more torque (in Nm) than 1987 Ford Sierra. (160 Nm @ 4000 RPM). This means 1985 Mercedes-Benz 420 will have an easier job in driving up hills or pulling heavy equipment than 1987 Ford Sierra.
Compare all specifications:
| 1987 Ford Sierra | 1985 Mercedes-Benz 420 | |
| Make | Ford | Mercedes-Benz |
| Model | Sierra | 420 |
| Year Released | 1987 | 1985 |
| Engine Position | Front | Front |
| Engine Size | 1991 cc | 4196 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 104 HP | 218 HP |
| Engine RPM | 5200 RPM | 5200 RPM |
| Torque | 160 Nm | 329 Nm |
| Torque RPM | 4000 RPM | 3750 RPM |
| Engine Compression Ratio | 9.2:1 | 9.0:1 |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 1055 kg | 1600 kg |
| Vehicle Length | 4500 mm | 5070 mm |
| Vehicle Width | 1680 mm | 1840 mm |
| Vehicle Height | 1400 mm | 1420 mm |
| Wheelbase Size | 2620 mm | 2850 mm |
