1971 Mazda Familia vs. 1989 Renault 21
To start off, 1989 Renault 21 is newer by 18 year(s). Which means there will be less support and parts availability for 1971 Mazda Familia. In addition, the cost of maintenance, including insurance, on 1971 Mazda Familia would be higher. At 1,995 cc (4 cylinders), 1989 Renault 21 is equipped with a bigger engine. In terms of performance, 1989 Renault 21 (118 HP @ 5500 RPM) has 69 more horse power than 1971 Mazda Familia. (49 HP @ 6000 RPM) In normal driving conditions, 1989 Renault 21 should accelerate faster than 1971 Mazda Familia. With that said, vehicle weight also plays an important factor in acceleration. 1989 Renault 21 weights approximately 506 kg more than 1971 Mazda Familia. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1989 Renault 21 (169 Nm @ 4500 RPM) has 90 more torque (in Nm) than 1971 Mazda Familia. (79 Nm @ 3500 RPM). This means 1989 Renault 21 will have an easier job in driving up hills or pulling heavy equipment than 1971 Mazda Familia.
Compare all specifications:
| 1971 Mazda Familia | 1989 Renault 21 | |
| Make | Mazda | Renault |
| Model | Familia | 21 |
| Year Released | 1971 | 1989 |
| Engine Position | Front | Front |
| Engine Size | 987 cc | 1995 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 49 HP | 118 HP |
| Engine RPM | 6000 RPM | 5500 RPM |
| Torque | 79 Nm | 169 Nm |
| Torque RPM | 3500 RPM | 4500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 744 kg | 1250 kg |
| Vehicle Length | 3790 mm | 4650 mm |
| Vehicle Width | 1470 mm | 1720 mm |
| Vehicle Height | 1390 mm | 1430 mm |
| Wheelbase Size | 2200 mm | 2820 mm |
