2004 Mercedes-Benz SLK vs. 1981 Renault 9
To start off, 2004 Mercedes-Benz SLK is newer by 23 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 2,307 cc (4 cylinders), 2004 Mercedes-Benz SLK is equipped with a bigger engine. In terms of performance, 2004 Mercedes-Benz SLK (192 HP @ 4200 RPM) has 138 more horse power than 1981 Renault 9. (54 HP @ 4800 RPM). In normal driving conditions, 2004 Mercedes-Benz SLK should accelerate faster than 1981 Renault 9. With that said, vehicle weight also plays an important factor in acceleration. 2004 Mercedes-Benz SLK weights approximately 471 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.
Let's talk about torque, 2004 Mercedes-Benz SLK (271 Nm) has 167 more torque (in Nm) than 1981 Renault 9. (104 Nm). This means 2004 Mercedes-Benz SLK will have an easier job in driving up hills or pulling heavy equipment than 1981 Renault 9.
Compare all specifications:
| 2004 Mercedes-Benz SLK | 1981 Renault 9 | |
| Make | Mercedes-Benz | Renault |
| Model | SLK | 9 |
| Year Released | 2004 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 2307 cc | 1595 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 192 HP | 54 HP |
| Engine RPM | 4200 RPM | 4800 RPM |
| Torque | 271 Nm | 104 Nm |
| Engine Bore Size | 91.1 mm | 78 mm |
| Engine Stroke Size | 88 mm | 83.5 mm |
| Engine Compression Ratio | 9.0:1 | 22.5:1 |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1386 kg | 915 kg |
| Vehicle Length | 4020 mm | 4070 mm |
| Vehicle Width | 1720 mm | 1660 mm |
| Vehicle Height | 1290 mm | 1410 mm |
| Wheelbase Size | 2410 mm | 2490 mm |
| Fuel Tank Capacity | 60 L | 38 L |
