1989 Ford Sierra vs. 2005 Opel Signum
To start off, 2005 Opel Signum is newer by 16 year(s). Which means there will be less support and parts availability for 1989 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1989 Ford Sierra would be higher. At 3,174 cc (6 cylinders), 2005 Opel Signum is equipped with a bigger engine. In terms of performance, 2005 Opel Signum (208 HP @ 6000 RPM) has 60 more horse power than 1989 Ford Sierra. (148 HP @ 5700 RPM) In normal driving conditions, 2005 Opel Signum should accelerate faster than 1989 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Signum weights approximately 315 kg more than 1989 Ford Sierra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1989 Ford Sierra is four wheel drive (4WD), it will have significant more traction and grip than 2005 Opel Signum. In wet, icy, snow, or gravel driving conditions, 1989 Ford Sierra will offer significantly more control. 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 Signum (300 Nm @ 4000 RPM) has 62 more torque (in Nm) than 1989 Ford Sierra. (238 Nm @ 3000 RPM). This means 2005 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1989 Ford Sierra.
Compare all specifications:
| 1989 Ford Sierra | 2005 Opel Signum | |
| Make | Ford | Opel |
| Model | Sierra | Signum |
| Year Released | 1989 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 2933 cc | 3174 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 148 HP | 208 HP |
| Engine RPM | 5700 RPM | 6000 RPM |
| Torque | 238 Nm | 300 Nm |
| Torque RPM | 3000 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1295 kg | 1610 kg |
| Vehicle Length | 4430 mm | 4640 mm |
| Vehicle Width | 1700 mm | 1800 mm |
| Vehicle Height | 1370 mm | 1470 mm |
| Wheelbase Size | 2610 mm | 2840 mm |
| Fuel Tank Capacity | 55 L | 60 L |
