2006 Mercedes-Benz CLS vs. 1981 Renault 9
To start off, 2006 Mercedes-Benz CLS is newer by 25 year(s). Which means there will be less support and parts availability for 1981 Renault 9. In addition, the cost of maintenance, including insurance, on 1981 Renault 9 would be higher. At 2,987 cc (6 cylinders), 2006 Mercedes-Benz CLS is equipped with a bigger engine. In terms of performance, 2006 Mercedes-Benz CLS (221 HP @ 3800 RPM) has 174 more horse power than 1981 Renault 9. (47 HP @ 5250 RPM). In normal driving conditions, 2006 Mercedes-Benz CLS should accelerate faster than 1981 Renault 9. With that said, vehicle weight also plays an important factor in acceleration. 2006 Mercedes-Benz CLS weights approximately 995 kg more than 1981 Renault 9. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Compare all specifications:
| 2006 Mercedes-Benz CLS | 1981 Renault 9 | |
| Make | Mercedes-Benz | Renault |
| Model | CLS | 9 |
| Year Released | 2006 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 2987 cc | 1108 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 221 HP | 47 HP |
| Engine RPM | 3800 RPM | 5250 RPM |
| Torque RPM | 1600 RPM | 2500 RPM |
| Engine Bore Size | 83 mm | 70 mm |
| Engine Stroke Size | 92 mm | 72 mm |
| Engine Compression Ratio | 18.0:1 | 9.2:1 |
| Fuel Type | Diesel | Gasoline |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1815 kg | 820 kg |
| Vehicle Length | 4920 mm | 4070 mm |
| Vehicle Width | 1880 mm | 1660 mm |
| Vehicle Height | 1410 mm | 1410 mm |
| Wheelbase Size | 2860 mm | 2490 mm |
| Fuel Tank Capacity | 80 L | 38 L |
