1984 Ford Sierra vs. 1981 Mazda Cosmo
To start off, 1984 Ford Sierra is newer by 3 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 1,993 cc (4 cylinders), 1984 Ford Sierra is equipped with a bigger engine. In terms of performance, 1984 Ford Sierra (106 HP @ 5200 RPM) has 4 more horse power than 1981 Mazda Cosmo. (102 HP @ 5300 RPM). In normal driving conditions, 1984 Ford Sierra should accelerate faster than 1981 Mazda Cosmo. With that said, vehicle weight also plays an important factor in acceleration. 1984 Ford Sierra weights approximately 50 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.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 1981 Mazda Cosmo (167 Nm @ 3300 RPM) has 10 more torque (in Nm) than 1984 Ford Sierra. (157 Nm @ 4000 RPM). This means 1981 Mazda Cosmo will have an easier job in driving up hills or pulling heavy equipment than 1984 Ford Sierra.
Compare all specifications:
| 1984 Ford Sierra | 1981 Mazda Cosmo | |
| Make | Ford | Mazda |
| Model | Sierra | Cosmo |
| Year Released | 1984 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 1993 cc | 1970 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 106 HP | 102 HP |
| Engine RPM | 5200 RPM | 5300 RPM |
| Torque | 157 Nm | 167 Nm |
| Torque RPM | 4000 RPM | 3300 RPM |
| Engine Bore Size | 90.8 mm | 80 mm |
| Engine Stroke Size | 77 mm | 98 mm |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1148 kg | 1098 kg |
| Vehicle Length | 4430 mm | 4670 mm |
| Vehicle Width | 1730 mm | 1700 mm |
| Vehicle Height | 1420 mm | 1420 mm |
| Wheelbase Size | 2610 mm | 2620 mm |
