1981 Mercedes-Benz G vs. 1987 Renault 21
To start off, 1987 Renault 21 is newer by 6 year(s). Which means there will be less support and parts availability for 1981 Mercedes-Benz G. In addition, the cost of maintenance, including insurance, on 1981 Mercedes-Benz G would be higher. At 2,299 cc (4 cylinders), 1981 Mercedes-Benz G is equipped with a bigger engine. In terms of performance, 1987 Renault 21 (175 HP @ 5200 RPM) has 50 more horse power than 1981 Mercedes-Benz G. (125 HP @ 5000 RPM) In normal driving conditions, 1987 Renault 21 should accelerate faster than 1981 Mercedes-Benz G. With that said, vehicle weight also plays an important factor in acceleration. 1981 Mercedes-Benz G weights approximately 740 kg more than 1987 Renault 21.
Because 1981 Mercedes-Benz G is four wheel drive (4WD), it will have significant more traction and grip than 1987 Renault 21. In wet, icy, snow, or gravel driving conditions, 1981 Mercedes-Benz G 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, 1987 Renault 21 (270 Nm @ 3000 RPM) has 84 more torque (in Nm) than 1981 Mercedes-Benz G. (186 Nm @ 4000 RPM). This means 1987 Renault 21 will have an easier job in driving up hills or pulling heavy equipment than 1981 Mercedes-Benz G.
Compare all specifications:
| 1981 Mercedes-Benz G | 1987 Renault 21 | |
| Make | Mercedes-Benz | Renault |
| Model | G | 21 |
| Year Released | 1981 | 1987 |
| Engine Position | Front | Front |
| Engine Size | 2299 cc | 1995 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 125 HP | 175 HP |
| Engine RPM | 5000 RPM | 5200 RPM |
| Torque | 186 Nm | 270 Nm |
| Torque RPM | 4000 RPM | 3000 RPM |
| Engine Compression Ratio | 9.0:1 | 8.0:1 |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1930 kg | 1190 kg |
| Vehicle Length | 4690 mm | 4650 mm |
| Vehicle Width | 1770 mm | 1720 mm |
| Vehicle Height | 1940 mm | 1380 mm |
| Wheelbase Size | 2860 mm | 2610 mm |
