1987 Ford Sierra vs. 2009 Mercedes-Benz ML
To start off, 2009 Mercedes-Benz ML is newer by 22 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 2,987 cc (6 cylinders), 2009 Mercedes-Benz ML is equipped with a bigger engine. In terms of performance, 2009 Mercedes-Benz ML (221 HP @ 3800 RPM) has 17 more horse power than 1987 Ford Sierra. (204 HP @ 6250 RPM) In normal driving conditions, 2009 Mercedes-Benz ML should accelerate faster than 1987 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2009 Mercedes-Benz ML weights approximately 860 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.
Because 2009 Mercedes-Benz ML is four wheel drive (4WD), it will have significant more traction and grip than 1987 Ford Sierra. In wet, icy, snow, or gravel driving conditions, 2009 Mercedes-Benz ML will offer significantly more control. 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 ML (510 Nm @ 2800 RPM) has 233 more torque (in Nm) than 1987 Ford Sierra. (277 Nm @ 4500 RPM). This means 2009 Mercedes-Benz ML will have an easier job in driving up hills or pulling heavy equipment than 1987 Ford Sierra. 2009 Mercedes-Benz ML has automatic transmission and 1987 Ford Sierra has manual transmission. 1987 Ford Sierra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Mercedes-Benz ML will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1987 Ford Sierra | 2009 Mercedes-Benz ML | |
| Make | Ford | Mercedes-Benz |
| Model | Sierra | ML |
| Year Released | 1987 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 1993 cc | 2987 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 204 HP | 221 HP |
| Engine RPM | 6250 RPM | 3800 RPM |
| Torque | 277 Nm | 510 Nm |
| Torque RPM | 4500 RPM | 2800 RPM |
| Engine Compression Ratio | 8.0:1 | 17.7:1 |
| Top Speed | 240 km/hour | 210 km/hour |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1250 kg | 2110 kg |
| Vehicle Length | 4470 mm | 4790 mm |
| Vehicle Width | 1710 mm | 2130 mm |
| Vehicle Height | 1380 mm | 1820 mm |
| Wheelbase Size | 2500 mm | 2920 mm |
