1978 Bitter Diplomat vs. 2004 Opel Vectra
To start off, 2004 Opel Vectra is newer by 26 year(s). Which means there will be less support and parts availability for 1978 Bitter Diplomat. In addition, the cost of maintenance, including insurance, on 1978 Bitter Diplomat would be higher. At 5,354 cc (8 cylinders), 1978 Bitter Diplomat is equipped with a bigger engine. In terms of performance, 1978 Bitter Diplomat (227 HP @ 4700 RPM) has 19 more horse power than 2004 Opel Vectra. (208 HP @ 6200 RPM). In normal driving conditions, 1978 Bitter Diplomat should accelerate faster than 2004 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 1978 Bitter Diplomat weights approximately 157 kg more than 2004 Opel Vectra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1978 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 1978 Bitter Diplomat. However, in wet, icy, snow, or gravel driving conditions, 2004 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, 1978 Bitter Diplomat (419 Nm @ 3100 RPM) has 119 more torque (in Nm) than 2004 Opel Vectra. (300 Nm @ 4000 RPM). This means 1978 Bitter Diplomat will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Vectra.
Compare all specifications:
| 1978 Bitter Diplomat | 2004 Opel Vectra | |
| Make | Bitter | Opel |
| Model | Diplomat | Vectra |
| Year Released | 1978 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 5354 cc | 3175 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 227 HP | 208 HP |
| Engine RPM | 4700 RPM | 6200 RPM |
| Torque | 419 Nm | 300 Nm |
| Torque RPM | 3100 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Front |
| Vehicle Weight | 1680 kg | 1523 kg |
| Vehicle Length | 4860 mm | 4600 mm |
| Vehicle Width | 1850 mm | 1800 mm |
| Vehicle Height | 1290 mm | 1470 mm |
| Wheelbase Size | 2690 mm | 2500 mm |
