1981 Bitter SC vs. 1999 Opel Signum
To start off, 1999 Opel Signum is newer by 18 year(s). Which means there will be less support and parts availability for 1981 Bitter SC. In addition, the cost of maintenance, including insurance, on 1981 Bitter SC would be higher. At 2,969 cc (6 cylinders), 1981 Bitter SC is equipped with a bigger engine. In terms of performance, 1981 Bitter SC (180 HP @ 5800 RPM) has 57 more horse power than 1999 Opel Signum. (123 HP @ 3250 RPM). In normal driving conditions, 1981 Bitter SC should accelerate faster than 1999 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 1999 Opel Signum weights approximately 260 kg more than 1981 Bitter SC.
Because 1981 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 1981 Bitter SC. However, in wet, icy, snow, or gravel driving conditions, 1999 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, 1999 Opel Signum (271 Nm @ 1500 RPM) has 23 more torque (in Nm) than 1981 Bitter SC. (248 Nm @ 4200 RPM). This means 1999 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1981 Bitter SC.
Compare all specifications:
| 1981 Bitter SC | 1999 Opel Signum | |
| Make | Bitter | Opel |
| Model | SC | Signum |
| Year Released | 1981 | 1999 |
| Body Type | Coupe | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2969 cc | 2171 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 180 HP | 123 HP |
| Engine RPM | 5800 RPM | 3250 RPM |
| Torque | 248 Nm | 271 Nm |
| Torque RPM | 4200 RPM | 1500 RPM |
| Acceleration 0-100mph | 10.1 seconds | 11.2 seconds |
| 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 | 1610 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 | 61 L |
