1970 Mercedes-Benz 250 vs. 1991 Renault 21
To start off, 1991 Renault 21 is newer by 21 year(s). Which means there will be less support and parts availability for 1970 Mercedes-Benz 250. In addition, the cost of maintenance, including insurance, on 1970 Mercedes-Benz 250 would be higher. At 2,776 cc (6 cylinders), 1970 Mercedes-Benz 250 is equipped with a bigger engine. In terms of performance, 1970 Mercedes-Benz 250 (128 HP @ 5000 RPM) has 53 more horse power than 1991 Renault 21. (75 HP @ 5000 RPM). In normal driving conditions, 1970 Mercedes-Benz 250 should accelerate faster than 1991 Renault 21. With that said, vehicle weight also plays an important factor in acceleration. 1970 Mercedes-Benz 250 weights approximately 375 kg more than 1991 Renault 21. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1970 Mercedes-Benz 250 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1970 Mercedes-Benz 250. However, in wet, icy, snow, or gravel driving conditions, 1991 Renault 21, being front wheel drive (FWD), will offer much better control with better grip. 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, 1970 Mercedes-Benz 250 (216 Nm @ 3200 RPM) has 87 more torque (in Nm) than 1991 Renault 21. (129 Nm @ 3250 RPM). This means 1970 Mercedes-Benz 250 will have an easier job in driving up hills or pulling heavy equipment than 1991 Renault 21.
Compare all specifications:
| 1970 Mercedes-Benz 250 | 1991 Renault 21 | |
| Make | Mercedes-Benz | Renault |
| Model | 250 | 21 |
| Year Released | 1970 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 2776 cc | 1721 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 128 HP | 75 HP |
| Engine RPM | 5000 RPM | 5000 RPM |
| Torque | 216 Nm | 129 Nm |
| Torque RPM | 3200 RPM | 3250 RPM |
| Engine Bore Size | 86.5 mm | 81 mm |
| Engine Stroke Size | 78.8 mm | 83.5 mm |
| Engine Compression Ratio | 8.7:1 | 9.2:1 |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1395 kg | 1020 kg |
| Vehicle Length | 4690 mm | 4650 mm |
| Vehicle Width | 1780 mm | 1720 mm |
| Vehicle Height | 1450 mm | 1430 mm |
| Wheelbase Size | 2760 mm | 2820 mm |
