1979 Bitter Diplomat vs. 2003 Opel Vectra
To start off, 2003 Opel Vectra is newer by 24 year(s). Which means there will be less support and parts availability for 1979 Bitter Diplomat. In addition, the cost of maintenance, including insurance, on 1979 Bitter Diplomat would be higher. At 5,354 cc (8 cylinders), 1979 Bitter Diplomat is equipped with a bigger engine. In terms of performance, 1979 Bitter Diplomat (227 HP @ 4700 RPM) has 104 more horse power than 2003 Opel Vectra. (123 HP @ 5600 RPM). In normal driving conditions, 1979 Bitter Diplomat should accelerate faster than 2003 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 1979 Bitter Diplomat weights approximately 296 kg more than 2003 Opel Vectra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1979 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 1979 Bitter Diplomat. However, in wet, icy, snow, or gravel driving conditions, 2003 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, 1979 Bitter Diplomat (419 Nm @ 3100 RPM) has 257 more torque (in Nm) than 2003 Opel Vectra. (162 Nm @ 3800 RPM). This means 1979 Bitter Diplomat will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Vectra.
Compare all specifications:
| 1979 Bitter Diplomat | 2003 Opel Vectra | |
| Make | Bitter | Opel |
| Model | Diplomat | Vectra |
| Year Released | 1979 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 5354 cc | 1794 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 227 HP | 123 HP |
| Engine RPM | 4700 RPM | 5600 RPM |
| Torque | 419 Nm | 162 Nm |
| Torque RPM | 3100 RPM | 3800 RPM |
| Drive Type | Rear | Front |
| Vehicle Weight | 1686 kg | 1390 kg |
| Vehicle Length | 4860 mm | 4500 mm |
| Vehicle Width | 1850 mm | 1710 mm |
| Vehicle Height | 1290 mm | 1430 mm |
| Wheelbase Size | 2690 mm | 2710 mm |
