1987 Ford Sierra vs. 2005 Mercedes-Benz ML
To start off, 2005 Mercedes-Benz ML is newer by 18 year(s). Which means there will be less support and parts availability for 1987 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1987 Ford Sierra would be higher. At 2,597 cc (5 cylinders), 2005 Mercedes-Benz ML is equipped with a bigger engine. In terms of performance, 2005 Mercedes-Benz ML (168 HP @ 4200 RPM) has 55 more horse power than 1987 Ford Sierra. (113 HP @ 5300 RPM) In normal driving conditions, 2005 Mercedes-Benz ML should accelerate faster than 1987 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Mercedes-Benz ML weights approximately 1088 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.
Let's talk about torque, 2005 Mercedes-Benz ML (370 Nm @ 1600 RPM) has 190 more torque (in Nm) than 1987 Ford Sierra. (180 Nm @ 3000 RPM). This means 2005 Mercedes-Benz ML will have an easier job in driving up hills or pulling heavy equipment than 1987 Ford Sierra.
Compare all specifications:
| 1987 Ford Sierra | 2005 Mercedes-Benz ML | |
| Make | Ford | Mercedes-Benz |
| Model | Sierra | ML |
| Year Released | 1987 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 2294 cc | 2597 cc |
| Engine Cylinders | 4 cylinders | 5 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 113 HP | 168 HP |
| Engine RPM | 5300 RPM | 4200 RPM |
| Torque | 180 Nm | 370 Nm |
| Torque RPM | 3000 RPM | 1600 RPM |
| Engine Bore Size | 96 mm | 88 mm |
| Engine Stroke Size | 79.5 mm | 88.3 mm |
| Fuel Type | Gasoline | Diesel |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1090 kg | 2178 kg |
| Vehicle Length | 4400 mm | 4640 mm |
| Vehicle Width | 1680 mm | 1850 mm |
| Vehicle Height | 1370 mm | 1830 mm |
| Wheelbase Size | 2620 mm | 2720 mm |
| Fuel Tank Capacity | 45 L | 83 L |
