1984 Ford Sierra vs. 2008 Opel Signum
To start off, 2008 Opel Signum is newer by 24 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 2,957 cc (6 cylinders), 2008 Opel Signum is equipped with a bigger engine. In terms of performance, 2008 Opel Signum (175 HP @ 4000 RPM) has 100 more horse power than 1984 Ford Sierra. (75 HP @ 5300 RPM) In normal driving conditions, 2008 Opel Signum should accelerate faster than 1984 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2008 Opel Signum weights approximately 630 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, 2008 Opel Signum, 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, 2008 Opel Signum (370 Nm @ 1900 RPM) has 251 more torque (in Nm) than 1984 Ford Sierra. (119 Nm @ 2900 RPM). This means 2008 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1984 Ford Sierra. 2008 Opel Signum 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. 2008 Opel Signum will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1984 Ford Sierra | 2008 Opel Signum | |
| Make | Ford | Opel |
| Model | Sierra | Signum |
| Year Released | 1984 | 2008 |
| Engine Position | Front | Front |
| Engine Size | 1608 cc | 2957 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 75 HP | 175 HP |
| Engine RPM | 5300 RPM | 4000 RPM |
| Torque | 119 Nm | 370 Nm |
| Torque RPM | 2900 RPM | 1900 RPM |
| Engine Bore Size | 87.8 mm | 87.5 mm |
| Engine Stroke Size | 66 mm | 82 mm |
| Engine Compression Ratio | 9.2:1 | 18.5:1 |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1040 kg | 1670 kg |
| Vehicle Length | 4500 mm | 4640 mm |
| Vehicle Width | 1720 mm | 1800 mm |
| Vehicle Height | 1450 mm | 1470 mm |
| Wheelbase Size | 2610 mm | 2840 mm |
| Fuel Tank Capacity | 60 L | 60 L |
