1987 Ford Sierra vs. 1985 Vauxhall Astra
To start off, 1987 Ford Sierra is newer by 2 year(s). Which means there will be less support and parts availability for 1985 Vauxhall Astra. In addition, the cost of maintenance, including insurance, on 1985 Vauxhall Astra would be higher. At 2,303 cc (4 cylinders), 1987 Ford Sierra is equipped with a bigger engine. In terms of performance, 1987 Ford Sierra (66 HP @ 4200 RPM) has 13 more horse power than 1985 Vauxhall Astra. (53 HP @ 5600 RPM). In normal driving conditions, 1987 Ford Sierra should accelerate faster than 1985 Vauxhall Astra. With that said, vehicle weight also plays an important factor in acceleration. 1987 Ford Sierra weights approximately 375 kg more than 1985 Vauxhall Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1987 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 1987 Ford Sierra. However, in wet, icy, snow, or gravel driving conditions, 1985 Vauxhall Astra, 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 Sierra (142 Nm @ 2000 RPM) has 58 more torque (in Nm) than 1985 Vauxhall Astra. (84 Nm @ 3600 RPM). This means 1987 Ford Sierra will have an easier job in driving up hills or pulling heavy equipment than 1985 Vauxhall Astra.
Compare all specifications:
| 1987 Ford Sierra | 1985 Vauxhall Astra | |
| Make | Ford | Vauxhall |
| Model | Sierra | Astra |
| Year Released | 1987 | 1985 |
| Engine Position | Front | Front |
| Engine Size | 2303 cc | 1196 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 66 HP | 53 HP |
| Engine RPM | 4200 RPM | 5600 RPM |
| Torque | 142 Nm | 84 Nm |
| Torque RPM | 2000 RPM | 3600 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1205 kg | 830 kg |
| Vehicle Length | 4500 mm | 4000 mm |
| Vehicle Width | 1680 mm | 1670 mm |
| Vehicle Height | 1400 mm | 1410 mm |
| Wheelbase Size | 2620 mm | 2530 mm |
