1984 Ford Sierra vs. 1987 Ford Probe
To start off, 1987 Ford Probe is newer by 3 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 2,184 cc (4 cylinders), 1987 Ford Probe is equipped with a bigger engine. In terms of performance, 1987 Ford Probe (138 HP @ 4800 RPM) has 79 more horse power than 1984 Ford Sierra. (59 HP @ 5700 RPM) In normal driving conditions, 1987 Ford Probe should accelerate faster than 1984 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1987 Ford Probe weights approximately 280 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.
Because 1984 Ford Sierra is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1984 Ford Sierra. However, in wet, icy, snow, or gravel driving conditions, 1987 Ford Probe, being front wheel drive (FWD), will offer much better control with better grip. 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, 1987 Ford Probe (262 Nm @ 3500 RPM) has 164 more torque (in Nm) than 1984 Ford Sierra. (98 Nm @ 3100 RPM). This means 1987 Ford Probe will have an easier job in driving up hills or pulling heavy equipment than 1984 Ford Sierra.
Compare all specifications:
| 1984 Ford Sierra | 1987 Ford Probe | |
| Make | Ford | Ford |
| Model | Sierra | Probe |
| Year Released | 1984 | 1987 |
| Engine Position | Front | Front |
| Engine Size | 1294 cc | 2184 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 59 HP | 138 HP |
| Engine RPM | 5700 RPM | 4800 RPM |
| Torque | 98 Nm | 262 Nm |
| Torque RPM | 3100 RPM | 3500 RPM |
| Engine Bore Size | 79.1 mm | 86 mm |
| Engine Stroke Size | 66 mm | 94 mm |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Weight | 970 kg | 1250 kg |
| Vehicle Length | 4400 mm | 4510 mm |
| Vehicle Width | 1710 mm | 1730 mm |
| Vehicle Height | 1420 mm | 1330 mm |
| Wheelbase Size | 2610 mm | 2530 mm |
