1977 Bitter Diplomat vs. 2006 Opel Signum
To start off, 2006 Opel Signum is newer by 29 year(s). Which means there will be less support and parts availability for 1977 Bitter Diplomat. In addition, the cost of maintenance, including insurance, on 1977 Bitter Diplomat would be higher. At 5,354 cc (8 cylinders), 1977 Bitter Diplomat is equipped with a bigger engine. In terms of performance, 1977 Bitter Diplomat (227 HP @ 4700 RPM) has 109 more horse power than 2006 Opel Signum. (118 HP @ 4000 RPM). In normal driving conditions, 1977 Bitter Diplomat should accelerate faster than 2006 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 1977 Bitter Diplomat weights approximately 65 kg more than 2006 Opel Signum. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1977 Bitter Diplomat 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 1977 Bitter Diplomat. 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, 1977 Bitter Diplomat (419 Nm @ 3100 RPM) has 138 more torque (in Nm) than 2006 Opel Signum. (281 Nm @ 2000 RPM). This means 1977 Bitter Diplomat will have an easier job in driving up hills or pulling heavy equipment than 2006 Opel Signum.
Compare all specifications:
| 1977 Bitter Diplomat | 2006 Opel Signum | |
| Make | Bitter | Opel |
| Model | Diplomat | Signum |
| Year Released | 1977 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 5354 cc | 1910 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 227 HP | 118 HP |
| Engine RPM | 4700 RPM | 4000 RPM |
| Torque | 419 Nm | 281 Nm |
| Torque RPM | 3100 RPM | 2000 RPM |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | Front |
| Vehicle Weight | 1680 kg | 1615 kg |
| Vehicle Length | 4860 mm | 4640 mm |
| Vehicle Width | 1850 mm | 1800 mm |
| Vehicle Height | 1290 mm | 1470 mm |
| Wheelbase Size | 2690 mm | 2840 mm |
