1986 Ford Sierra vs. 1987 Vauxhall Astra
To start off, 1987 Vauxhall Astra is newer by 1 year(s). Which means there will be less support and parts availability for 1986 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1986 Ford Sierra would be higher. At 2,792 cc (6 cylinders), 1986 Ford Sierra is equipped with a bigger engine. In terms of performance, 1986 Ford Sierra (160 HP @ 5700 RPM) has 37 more horse power than 1987 Vauxhall Astra. (123 HP @ 5600 RPM). In normal driving conditions, 1986 Ford Sierra should accelerate faster than 1987 Vauxhall Astra. With that said, vehicle weight also plays an important factor in acceleration. 1986 Ford Sierra weights approximately 306 kg more than 1987 Vauxhall Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1986 Ford Sierra is four wheel drive (4WD), it will have significant more traction and grip than 1987 Vauxhall Astra. In wet, icy, snow, or gravel driving conditions, 1986 Ford Sierra will offer significantly more control. 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, 1986 Ford Sierra (216 Nm @ 4300 RPM) has 36 more torque (in Nm) than 1987 Vauxhall Astra. (180 Nm @ 4600 RPM). This means 1986 Ford Sierra will have an easier job in driving up hills or pulling heavy equipment than 1987 Vauxhall Astra.
Compare all specifications:
| 1986 Ford Sierra | 1987 Vauxhall Astra | |
| Make | Ford | Vauxhall |
| Model | Sierra | Astra |
| Year Released | 1986 | 1987 |
| Engine Position | Front | Front |
| Engine Size | 2792 cc | 1998 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 160 HP | 123 HP |
| Engine RPM | 5700 RPM | 5600 RPM |
| Torque | 216 Nm | 180 Nm |
| Torque RPM | 4300 RPM | 4600 RPM |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1266 kg | 960 kg |
| Vehicle Length | 4430 mm | 4000 mm |
| Vehicle Width | 1730 mm | 1670 mm |
| Wheelbase Size | 2610 mm | 2530 mm |
