1984 Ford Sierra vs. 1971 Mazda Cosmo
To start off, 1984 Ford Sierra is newer by 13 year(s). Which means there will be less support and parts availability for 1971 Mazda Cosmo. In addition, the cost of maintenance, including insurance, on 1971 Mazda Cosmo would be higher. At 1,964 cc, 1971 Mazda Cosmo is equipped with a bigger engine. In terms of performance, 1971 Mazda Cosmo (93 HP @ 7000 RPM) has 4 more horse power than 1984 Ford Sierra. (89 HP @ 5400 RPM) In normal driving conditions, 1971 Mazda Cosmo should accelerate faster than 1984 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1984 Ford Sierra weights approximately 70 kg more than 1971 Mazda Cosmo.
Let's talk about torque, 1984 Ford Sierra (144 Nm @ 3500 RPM) has 11 more torque (in Nm) than 1971 Mazda Cosmo. (133 Nm @ 3500 RPM). This means 1984 Ford Sierra will have an easier job in driving up hills or pulling heavy equipment than 1971 Mazda Cosmo.
Compare all specifications:
| 1984 Ford Sierra | 1971 Mazda Cosmo | |
| Make | Ford | Mazda |
| Model | Sierra | Cosmo |
| Year Released | 1984 | 1971 |
| Engine Position | Front | Front |
| Engine Size | 1769 cc | 1964 cc |
| Horse Power | 89 HP | 93 HP |
| Engine RPM | 5400 RPM | 7000 RPM |
| Torque | 144 Nm | 133 Nm |
| Torque RPM | 3500 RPM | 3500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 2 seats |
| Vehicle Weight | 1010 kg | 940 kg |
| Vehicle Length | 4400 mm | 4150 mm |
| Vehicle Width | 1680 mm | 1600 mm |
| Vehicle Height | 1370 mm | 1170 mm |
| Wheelbase Size | 2620 mm | 2210 mm |
