1990 Ford Aerostar vs. 1984 Ford Sierra
To start off, 1990 Ford Aerostar is newer by 6 year(s). Which means there will be less support and parts availability for 1984 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1984 Ford Sierra would be higher. At 3,973 cc (6 cylinders), 1990 Ford Aerostar is equipped with a bigger engine. In terms of performance, 1990 Ford Aerostar (154 HP @ 4000 RPM) has 95 more horse power than 1984 Ford Sierra. (59 HP @ 5700 RPM). In normal driving conditions, 1990 Ford Aerostar should accelerate faster than 1984 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1990 Ford Aerostar weights approximately 445 kg more than 1984 Ford Sierra. 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, 1990 Ford Aerostar (298 Nm @ 2400 RPM) has 200 more torque (in Nm) than 1984 Ford Sierra. (98 Nm @ 3100 RPM). This means 1990 Ford Aerostar will have an easier job in driving up hills or pulling heavy equipment than 1984 Ford Sierra.
Compare all specifications:
| 1990 Ford Aerostar | 1984 Ford Sierra | |
| Make | Ford | Ford |
| Model | Aerostar | Sierra |
| Year Released | 1990 | 1984 |
| Engine Position | Front | Front |
| Engine Size | 3973 cc | 1294 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 154 HP | 59 HP |
| Engine RPM | 4000 RPM | 5700 RPM |
| Torque | 298 Nm | 98 Nm |
| Torque RPM | 2400 RPM | 3100 RPM |
| Engine Bore Size | 101.6 mm | 79.1 mm |
| Engine Stroke Size | 80.8 mm | 66 mm |
| Drive Type | Rear | Rear |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1415 kg | 970 kg |
| Vehicle Length | 4450 mm | 4400 mm |
| Vehicle Width | 1830 mm | 1710 mm |
| Vehicle Height | 1860 mm | 1420 mm |
| Wheelbase Size | 3030 mm | 2610 mm |
