1987 Ford Sierra vs. 2003 Opel Astra
To start off, 2003 Opel Astra is newer by 16 year(s). Which means there will be less support and parts availability for 1987 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1987 Ford Sierra would be higher. At 2,294 cc (4 cylinders), 1987 Ford Sierra is equipped with a bigger engine. In terms of performance, 2003 Opel Astra (123 HP @ 5600 RPM) has 10 more horse power than 1987 Ford Sierra. (113 HP @ 5300 RPM) In normal driving conditions, 2003 Opel Astra should accelerate faster than 1987 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Astra weights approximately 220 kg more than 1987 Ford Sierra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1987 Ford Sierra (180 Nm @ 3000 RPM) has 9 more torque (in Nm) than 2003 Opel Astra. (171 Nm @ 3800 RPM). This means 1987 Ford Sierra will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Astra.
Compare all specifications:
| 1987 Ford Sierra | 2003 Opel Astra | |
| Make | Ford | Opel |
| Model | Sierra | Astra |
| Year Released | 1987 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 2294 cc | 1796 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 113 HP | 123 HP |
| Engine RPM | 5300 RPM | 5600 RPM |
| Torque | 180 Nm | 171 Nm |
| Torque RPM | 3000 RPM | 3800 RPM |
| Engine Bore Size | 96 mm | 80.5 mm |
| Engine Stroke Size | 79.5 mm | 88.2 mm |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1090 kg | 1310 kg |
| Vehicle Length | 4400 mm | 4260 mm |
| Vehicle Width | 1680 mm | 1760 mm |
| Vehicle Height | 1370 mm | 1470 mm |
| Wheelbase Size | 2620 mm | 2700 mm |
| Fuel Tank Capacity | 45 L | 52 L |
