1977 Bitter Diplomat vs. 1997 Opel Vectra
To start off, 1997 Opel Vectra is newer by 20 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 153 more horse power than 1997 Opel Vectra. (74 HP @ 5200 RPM). In normal driving conditions, 1977 Bitter Diplomat should accelerate faster than 1997 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 1977 Bitter Diplomat weights approximately 495 kg more than 1997 Opel Vectra. 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, 1997 Opel Vectra, 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 290 more torque (in Nm) than 1997 Opel Vectra. (129 Nm @ 2800 RPM). This means 1977 Bitter Diplomat will have an easier job in driving up hills or pulling heavy equipment than 1997 Opel Vectra.
Compare all specifications:
| 1977 Bitter Diplomat | 1997 Opel Vectra | |
| Make | Bitter | Opel |
| Model | Diplomat | Vectra |
| Year Released | 1977 | 1997 |
| Engine Position | Front | Front |
| Engine Size | 5354 cc | 1598 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 227 HP | 74 HP |
| Engine RPM | 4700 RPM | 5200 RPM |
| Torque | 419 Nm | 129 Nm |
| Torque RPM | 3100 RPM | 2800 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Front |
| Vehicle Weight | 1680 kg | 1185 kg |
| Vehicle Length | 4860 mm | 4480 mm |
| Vehicle Width | 1850 mm | 1710 mm |
| Vehicle Height | 1290 mm | 1430 mm |
