1999 Mercedes-Benz ML vs. 1986 Renault 21
To start off, 1999 Mercedes-Benz ML is newer by 13 year(s). Which means there will be less support and parts availability for 1986 Renault 21. In addition, the cost of maintenance, including insurance, on 1986 Renault 21 would be higher. At 5,439 cc (8 cylinders), 1999 Mercedes-Benz ML is equipped with a bigger engine. In terms of performance, 1999 Mercedes-Benz ML (342 HP @ 5500 RPM) has 252 more horse power than 1986 Renault 21. (90 HP @ 4250 RPM). In normal driving conditions, 1999 Mercedes-Benz ML should accelerate faster than 1986 Renault 21. With that said, vehicle weight also plays an important factor in acceleration. 1999 Mercedes-Benz ML weights approximately 1097 kg more than 1986 Renault 21. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1999 Mercedes-Benz ML is four wheel drive (4WD), it will have significant more traction and grip than 1986 Renault 21. In wet, icy, snow, or gravel driving conditions, 1999 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, 1999 Mercedes-Benz ML (510 Nm @ 2800 RPM) has 328 more torque (in Nm) than 1986 Renault 21. (182 Nm @ 2000 RPM). This means 1999 Mercedes-Benz ML will have an easier job in driving up hills or pulling heavy equipment than 1986 Renault 21. 1999 Mercedes-Benz ML has automatic transmission and 1986 Renault 21 has manual transmission. 1986 Renault 21 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1999 Mercedes-Benz ML will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1999 Mercedes-Benz ML | 1986 Renault 21 | |
| Make | Mercedes-Benz | Renault |
| Model | ML | 21 |
| Year Released | 1999 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 5439 cc | 2067 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 342 HP | 90 HP |
| Engine RPM | 5500 RPM | 4250 RPM |
| Torque | 510 Nm | 182 Nm |
| Torque RPM | 2800 RPM | 2000 RPM |
| Engine Bore Size | 97 mm | 86 mm |
| Engine Stroke Size | 92 mm | 89 mm |
| Top Speed | 235 km/hour | 171 km/hour |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 2230 kg | 1133 kg |
| Vehicle Length | 4640 mm | 4470 mm |
| Vehicle Width | 1840 mm | 1720 mm |
| Vehicle Height | 1810 mm | 1420 mm |
| Wheelbase Size | 2860 mm | 2590 mm |
| Fuel Tank Capacity | 72 L | 34 L |
