1984 Ford Sierra vs. 2005 Opel Vectra
To start off, 2005 Opel Vectra is newer by 21 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 1,794 cc (4 cylinders), 2005 Opel Vectra is equipped with a bigger engine. In terms of performance, 2005 Opel Vectra (123 HP @ 5600 RPM) has 48 more horse power than 1984 Ford Sierra. (75 HP @ 4800 RPM) In normal driving conditions, 2005 Opel Vectra should accelerate faster than 1984 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Vectra weights approximately 320 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, 2005 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, 2005 Opel Vectra (165 Nm @ 3800 RPM) has 42 more torque (in Nm) than 1984 Ford Sierra. (123 Nm @ 2900 RPM). This means 2005 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 1984 Ford Sierra. 2005 Opel Vectra has automatic transmission and 1984 Ford Sierra has manual transmission. 1984 Ford Sierra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Opel Vectra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1984 Ford Sierra | 2005 Opel Vectra | |
| Make | Ford | Opel |
| Model | Sierra | Vectra |
| Year Released | 1984 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 1593 cc | 1794 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 75 HP | 123 HP |
| Engine RPM | 4800 RPM | 5600 RPM |
| Torque | 123 Nm | 165 Nm |
| Torque RPM | 2900 RPM | 3800 RPM |
| Engine Bore Size | 87.7 mm | 80.5 mm |
| Engine Stroke Size | 66 mm | 88.2 mm |
| Engine Compression Ratio | 9.5:1 | 10.5:1 |
| Top Speed | 166 km/hour | 200 km/hour |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1040 kg | 1360 kg |
| Vehicle Length | 4430 mm | 4500 mm |
| Vehicle Width | 1730 mm | 1710 mm |
| Vehicle Height | 1370 mm | 1430 mm |
| Wheelbase Size | 2610 mm | 2640 mm |
| Fuel Tank Capacity | 60 L | 60 L |
