1987 Ford Sierra vs. 2004 Opel Vectra
To start off, 2004 Opel Vectra is newer by 17 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 2,292 cc (4 cylinders), 1987 Ford Sierra is equipped with a bigger engine. In terms of performance, 2004 Opel Vectra (120 HP @ 6000 RPM) has 8 more horse power than 1987 Ford Sierra. (112 HP @ 5300 RPM) In normal driving conditions, 2004 Opel Vectra should accelerate faster than 1987 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2004 Opel Vectra weights approximately 240 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 13 more torque (in Nm) than 2004 Opel Vectra. (167 Nm @ 3800 RPM). This means 1987 Ford Sierra will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Vectra.
Compare all specifications:
| 1987 Ford Sierra | 2004 Opel Vectra | |
| Make | Ford | Opel |
| Model | Sierra | Vectra |
| Year Released | 1987 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 2292 cc | 1796 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 112 HP | 120 HP |
| Engine RPM | 5300 RPM | 6000 RPM |
| Torque | 180 Nm | 167 Nm |
| Torque RPM | 3000 RPM | 3800 RPM |
| Engine Bore Size | 96 mm | 80.5 mm |
| Engine Stroke Size | 79.5 mm | 88.2 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1135 kg | 1375 kg |
| Vehicle Length | 4500 mm | 4600 mm |
| Vehicle Width | 1680 mm | 1800 mm |
| Vehicle Height | 1400 mm | 1470 mm |
| Wheelbase Size | 2620 mm | 2640 mm |
