1986 Bitter SC vs. 2006 Opel Signum
To start off, 2006 Opel Signum is newer by 20 year(s). Which means there will be less support and parts availability for 1986 Bitter SC. In addition, the cost of maintenance, including insurance, on 1986 Bitter SC would be higher. At 2,968 cc (6 cylinders), 1986 Bitter SC is equipped with a bigger engine. In terms of performance, 1986 Bitter SC (177 HP @ 5800 RPM) has 2 more horse power than 2006 Opel Signum. (175 HP @ 4000 RPM). In normal driving conditions, 1986 Bitter SC should accelerate faster than 2006 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2006 Opel Signum weights approximately 320 kg more than 1986 Bitter SC.
Because 1986 Bitter SC 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 1986 Bitter SC. However, in wet, icy, snow, or gravel driving conditions, 2006 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, 2006 Opel Signum (370 Nm @ 1900 RPM) has 121 more torque (in Nm) than 1986 Bitter SC. (249 Nm @ 4200 RPM). This means 2006 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1986 Bitter SC.
Compare all specifications:
| 1986 Bitter SC | 2006 Opel Signum | |
| Make | Bitter | Opel |
| Model | SC | Signum |
| Year Released | 1986 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 2968 cc | 2958 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 177 HP | 175 HP |
| Engine RPM | 5800 RPM | 4000 RPM |
| Torque | 249 Nm | 370 Nm |
| Torque RPM | 4200 RPM | 1900 RPM |
| Engine Bore Size | 95 mm | 87.5 mm |
| Engine Stroke Size | 69.8 mm | 82 mm |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1350 kg | 1670 kg |
| Vehicle Length | 4920 mm | 4640 mm |
| Vehicle Width | 1830 mm | 1800 mm |
| Vehicle Height | 1360 mm | 1470 mm |
| Wheelbase Size | 2690 mm | 2840 mm |
| Fuel Tank Capacity | 75 L | 60 L |
