1987 Ford Sierra vs. 2007 Opel Vectra
To start off, 2007 Opel Vectra is newer by 20 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, 2007 Opel Vectra (153 HP @ 5600 RPM) has 40 more horse power than 1987 Ford Sierra. (113 HP @ 5300 RPM) In normal driving conditions, 2007 Opel Vectra should accelerate faster than 1987 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Vectra weights approximately 380 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, 2007 Opel Vectra (220 Nm @ 3800 RPM) has 40 more torque (in Nm) than 1987 Ford Sierra. (180 Nm @ 3000 RPM). This means 2007 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 1987 Ford Sierra.
Compare all specifications:
| 1987 Ford Sierra | 2007 Opel Vectra | |
| Make | Ford | Opel |
| Model | Sierra | Vectra |
| Year Released | 1987 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 2294 cc | 2198 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 113 HP | 153 HP |
| Engine RPM | 5300 RPM | 5600 RPM |
| Torque | 180 Nm | 220 Nm |
| Torque RPM | 3000 RPM | 3800 RPM |
| Engine Bore Size | 96 mm | 86.1 mm |
| Engine Stroke Size | 79.5 mm | 94.6 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1090 kg | 1470 kg |
| Vehicle Length | 4400 mm | 4600 mm |
| Vehicle Width | 1680 mm | 1800 mm |
| Vehicle Height | 1370 mm | 1470 mm |
| Wheelbase Size | 2620 mm | 2710 mm |
| Fuel Tank Capacity | 45 L | 61 L |
