2005 Mercedes-Benz ML vs. 1986 Renault 21
To start off, 2005 Mercedes-Benz ML is newer by 19 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), 2005 Mercedes-Benz ML is equipped with a bigger engine. In terms of performance, 2005 Mercedes-Benz ML (286 HP @ 4200 RPM) has 211 more horse power than 1986 Renault 21. (75 HP @ 5000 RPM). In normal driving conditions, 2005 Mercedes-Benz ML should accelerate faster than 1986 Renault 21. With that said, vehicle weight also plays an important factor in acceleration. 2005 Mercedes-Benz ML weights approximately 1345 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 2005 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, 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 (511 Nm @ 2800 RPM) has 382 more torque (in Nm) than 1986 Renault 21. (129 Nm @ 3250 RPM). This means 2005 Mercedes-Benz ML will have an easier job in driving up hills or pulling heavy equipment than 1986 Renault 21. 2005 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. 2005 Mercedes-Benz ML will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Mercedes-Benz ML | 1986 Renault 21 | |
| Make | Mercedes-Benz | Renault |
| Model | ML | 21 |
| Year Released | 2005 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 5439 cc | 1721 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 286 HP | 75 HP |
| Engine RPM | 4200 RPM | 5000 RPM |
| Torque | 511 Nm | 129 Nm |
| Torque RPM | 2800 RPM | 3250 RPM |
| Engine Bore Size | 97 mm | 81 mm |
| Engine Stroke Size | 92 mm | 83.5 mm |
| Top Speed | 235 km/hour | 176 km/hour |
| Acceleration 0-100mph | 6.8 seconds | 12 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 2300 kg | 955 kg |
| Wheelbase Size | 2720 mm | 2670 mm |
| Fuel Tank Capacity | 93 L | 66 L |
