1981 Mazda Cosmo vs. 1990 Renault 21
To start off, 1990 Renault 21 is newer by 9 year(s). Which means there will be less support and parts availability for 1981 Mazda Cosmo. In addition, the cost of maintenance, including insurance, on 1981 Mazda Cosmo would be higher. At 2,292 cc (2 cylinders), 1981 Mazda Cosmo is equipped with a bigger engine. In terms of performance, 1990 Renault 21 (175 HP @ 5200 RPM) has 55 more horse power than 1981 Mazda Cosmo. (120 HP @ 7000 RPM) In normal driving conditions, 1990 Renault 21 should accelerate faster than 1981 Mazda Cosmo. With that said, vehicle weight also plays an important factor in acceleration. 1990 Renault 21 weights approximately 195 kg more than 1981 Mazda Cosmo. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1990 Renault 21 is four wheel drive (4WD), it will have significant more traction and grip than 1981 Mazda Cosmo. In wet, icy, snow, or gravel driving conditions, 1990 Renault 21 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, 1990 Renault 21 (271 Nm @ 3000 RPM) has 109 more torque (in Nm) than 1981 Mazda Cosmo. (162 Nm @ 4000 RPM). This means 1990 Renault 21 will have an easier job in driving up hills or pulling heavy equipment than 1981 Mazda Cosmo.
Compare all specifications:
| 1981 Mazda Cosmo | 1990 Renault 21 | |
| Make | Mazda | Renault |
| Model | Cosmo | 21 |
| Year Released | 1981 | 1990 |
| Engine Position | Front | Front |
| Engine Size | 2292 cc | 2068 cc |
| Engine Cylinders | 2 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 120 HP | 175 HP |
| Engine RPM | 7000 RPM | 5200 RPM |
| Torque | 162 Nm | 271 Nm |
| Torque RPM | 4000 RPM | 3000 RPM |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1150 kg | 1345 kg |
| Vehicle Length | 4670 mm | 4650 mm |
| Vehicle Width | 1700 mm | 1720 mm |
| Vehicle Height | 1420 mm | 1450 mm |
| Wheelbase Size | 2620 mm | 2610 mm |
