1989 Ford Sierra vs. 1971 Mazda Familia
To start off, 1989 Ford Sierra 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 2,933 cc (6 cylinders), 1989 Ford Sierra is equipped with a bigger engine. In terms of performance, 1989 Ford Sierra (148 HP @ 5700 RPM) has 99 more horse power than 1971 Mazda Familia. (49 HP @ 6000 RPM). In normal driving conditions, 1989 Ford Sierra should accelerate faster than 1971 Mazda Familia. With that said, vehicle weight also plays an important factor in acceleration. 1989 Ford Sierra weights approximately 551 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 Ford Sierra (238 Nm @ 3000 RPM) has 159 more torque (in Nm) than 1971 Mazda Familia. (79 Nm @ 3500 RPM). This means 1989 Ford Sierra will have an easier job in driving up hills or pulling heavy equipment than 1971 Mazda Familia.
Compare all specifications:
| 1989 Ford Sierra | 1971 Mazda Familia | |
| Make | Ford | Mazda |
| Model | Sierra | Familia |
| Year Released | 1989 | 1971 |
| Engine Position | Front | Front |
| Engine Size | 2933 cc | 987 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 148 HP | 49 HP |
| Engine RPM | 5700 RPM | 6000 RPM |
| Torque | 238 Nm | 79 Nm |
| Torque RPM | 3000 RPM | 3500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 1295 kg | 744 kg |
| Vehicle Length | 4430 mm | 3790 mm |
| Vehicle Width | 1700 mm | 1470 mm |
| Vehicle Height | 1370 mm | 1390 mm |
| Wheelbase Size | 2610 mm | 2200 mm |
