2005 Mercedes-Benz ML vs. 1987 Renault 21
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 Renault 21. In addition, the cost of maintenance, including insurance, on 1987 Renault 21 would be higher. At 4,966 cc (8 cylinders), 2005 Mercedes-Benz ML is equipped with a bigger engine. In terms of performance, 2005 Mercedes-Benz ML (288 HP @ 5600 RPM) has 213 more horse power than 1987 Renault 21. (75 HP @ 5000 RPM). In normal driving conditions, 2005 Mercedes-Benz ML should accelerate faster than 1987 Renault 21. With that said, vehicle weight also plays an important factor in acceleration. 2005 Mercedes-Benz ML weights approximately 1259 kg more than 1987 Renault 21. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Mercedes-Benz ML is four wheel drive (4WD), it will have significant more traction and grip than 1987 Renault 21. In wet, icy, snow, or gravel driving conditions, 2005 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, 2005 Mercedes-Benz ML (460 Nm @ 2700 RPM) has 330 more torque (in Nm) than 1987 Renault 21. (130 Nm @ 3250 RPM). This means 2005 Mercedes-Benz ML will have an easier job in driving up hills or pulling heavy equipment than 1987 Renault 21. 2005 Mercedes-Benz ML has automatic transmission and 1987 Renault 21 has manual transmission. 1987 Renault 21 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Mercedes-Benz ML will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Mercedes-Benz ML | 1987 Renault 21 | |
| Make | Mercedes-Benz | Renault |
| Model | ML | 21 |
| Year Released | 2005 | 1987 |
| Engine Position | Front | Front |
| Engine Size | 4966 cc | 1721 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 3 valves | 2 valves |
| Horse Power | 288 HP | 75 HP |
| Engine RPM | 5600 RPM | 5000 RPM |
| Torque | 460 Nm | 130 Nm |
| Torque RPM | 2700 RPM | 3250 RPM |
| Engine Bore Size | 97 mm | 81 mm |
| Engine Stroke Size | 84 mm | 83.5 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 222 km/hour | 176 km/hour |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 2214 kg | 955 kg |
| Vehicle Length | 4640 mm | 4470 mm |
| Vehicle Width | 1850 mm | 1730 mm |
| Vehicle Height | 1830 mm | 1430 mm |
| Wheelbase Size | 2840 mm | 2550 mm |
| Fuel Consumption Overall | 15.7 L/100km | 7 L/100km |
| Fuel Tank Capacity | 83 L | 55 L |
