1990 Renault 21 vs. 2013 Mercedes-Benz CLS
To start off, 2013 Mercedes-Benz CLS is newer by 23 year(s). Which means there will be less support and parts availability for 1990 Renault 21. In addition, the cost of maintenance, including insurance, on 1990 Renault 21 would be higher. At 5,500 cc (8 cylinders), 2013 Mercedes-Benz CLS is equipped with a bigger engine. In terms of performance, 2013 Mercedes-Benz CLS (511 HP @ 5250 RPM) has 336 more horse power than 1990 Renault 21. (175 HP @ 5200 RPM) In normal driving conditions, 2013 Mercedes-Benz CLS should accelerate faster than 1990 Renault 21. With that said, vehicle weight also plays an important factor in acceleration. 2013 Mercedes-Benz CLS weights approximately 525 kg more than 1990 Renault 21. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1990 Renault 21 is four wheel drive (4WD), it will have significant more traction and grip than 2013 Mercedes-Benz CLS. In wet, icy, snow, or gravel driving conditions, 1990 Renault 21 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, 2013 Mercedes-Benz CLS (700 Nm @ 5000 RPM) has 429 more torque (in Nm) than 1990 Renault 21. (271 Nm @ 3000 RPM). This means 2013 Mercedes-Benz CLS will have an easier job in driving up hills or pulling heavy equipment than 1990 Renault 21.
Compare all specifications:
| 1990 Renault 21 | 2013 Mercedes-Benz CLS | |
| Make | Renault | Mercedes-Benz |
| Model | 21 | CLS |
| Year Released | 1990 | 2013 |
| Engine Position | Front | Front |
| Engine Size | 2068 cc | 5500 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | W |
| Horse Power | 175 HP | 511 HP |
| Engine RPM | 5200 RPM | 5250 RPM |
| Torque | 271 Nm | 700 Nm |
| Torque RPM | 3000 RPM | 5000 RPM |
| Engine Bore Size | 88 mm | 98 mm |
| Engine Stroke Size | 82 mm | 90 mm |
| Top Speed | 222 km/hour | 250 km/hour |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | CVT |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1345 kg | 1870 kg |
| Vehicle Length | 4650 mm | 4996 mm |
| Vehicle Width | 1720 mm | 2075 mm |
| Vehicle Height | 1450 mm | 1406 mm |
| Wheelbase Size | 2610 mm | 2874 mm |
