2008 Mercedes-Benz B vs. 1988 Renault 21
To start off, 2008 Mercedes-Benz B is newer by 20 year(s). Which means there will be less support and parts availability for 1988 Renault 21. In addition, the cost of maintenance, including insurance, on 1988 Renault 21 would be higher. At 1,870 cc (4 cylinders), 1988 Renault 21 is equipped with a bigger engine. In terms of performance, 2008 Mercedes-Benz B (115 HP @ 5500 RPM) has 51 more horse power than 1988 Renault 21. (64 HP @ 4500 RPM). In normal driving conditions, 2008 Mercedes-Benz B should accelerate faster than 1988 Renault 21. With that said, vehicle weight also plays an important factor in acceleration. 2008 Mercedes-Benz B weights approximately 205 kg more than 1988 Renault 21. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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, 2008 Mercedes-Benz B (155 Nm @ 3500 RPM) has 37 more torque (in Nm) than 1988 Renault 21. (118 Nm @ 2250 RPM). This means 2008 Mercedes-Benz B will have an easier job in driving up hills or pulling heavy equipment than 1988 Renault 21.
Compare all specifications:
| 2008 Mercedes-Benz B | 1988 Renault 21 | |
| Make | Mercedes-Benz | Renault |
| Model | B | 21 |
| Year Released | 2008 | 1988 |
| Engine Position | Front | Front |
| Engine Size | 1699 cc | 1870 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 115 HP | 64 HP |
| Engine RPM | 5500 RPM | 4500 RPM |
| Torque | 155 Nm | 118 Nm |
| Torque RPM | 3500 RPM | 2250 RPM |
| Engine Bore Size | 83 mm | 80 mm |
| Engine Stroke Size | 78.5 mm | 93 mm |
| Engine Compression Ratio | 11.0:1 | 21.5:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 7 seats |
| Vehicle Weight | 1310 kg | 1105 kg |
| Vehicle Length | 4280 mm | 4650 mm |
| Vehicle Width | 1780 mm | 1720 mm |
| Vehicle Height | 1610 mm | 1430 mm |
| Wheelbase Size | 2780 mm | 2820 mm |
