1984 Ford Sierra vs. 2007 Opel Vectra
To start off, 2007 Opel Vectra is newer by 23 year(s). Which means there will be less support and parts availability for 1984 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1984 Ford Sierra would be higher. At 1,998 cc (4 cylinders), 2007 Opel Vectra is equipped with a bigger engine. In terms of performance, 2007 Opel Vectra (173 HP @ 5500 RPM) has 67 more horse power than 1984 Ford Sierra. (106 HP @ 5200 RPM) In normal driving conditions, 2007 Opel Vectra should accelerate faster than 1984 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Vectra weights approximately 337 kg more than 1984 Ford Sierra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1984 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 1984 Ford Sierra. However, in wet, icy, snow, or gravel driving conditions, 2007 Opel Vectra, 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, 2007 Opel Vectra (266 Nm @ 2500 RPM) has 109 more torque (in Nm) than 1984 Ford Sierra. (157 Nm @ 4000 RPM). This means 2007 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 1984 Ford Sierra.
Compare all specifications:
| 1984 Ford Sierra | 2007 Opel Vectra | |
| Make | Ford | Opel |
| Model | Sierra | Vectra |
| Year Released | 1984 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 1993 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 106 HP | 173 HP |
| Engine RPM | 5200 RPM | 5500 RPM |
| Torque | 157 Nm | 266 Nm |
| Torque RPM | 4000 RPM | 2500 RPM |
| Engine Bore Size | 90.8 mm | 86 mm |
| Engine Stroke Size | 77 mm | 86 mm |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1148 kg | 1485 kg |
| Vehicle Length | 4430 mm | 4600 mm |
| Vehicle Width | 1730 mm | 1800 mm |
| Vehicle Height | 1420 mm | 1470 mm |
| Wheelbase Size | 2610 mm | 2710 mm |
| Fuel Tank Capacity | 60 L | 61 L |
