1974 Bitter Diplomat vs. 2005 Opel Vectra
To start off, 2005 Opel Vectra is newer by 31 year(s). Which means there will be less support and parts availability for 1974 Bitter Diplomat. In addition, the cost of maintenance, including insurance, on 1974 Bitter Diplomat would be higher. At 5,354 cc (8 cylinders), 1974 Bitter Diplomat is equipped with a bigger engine. In terms of performance, 1974 Bitter Diplomat (227 HP @ 4700 RPM) has 103 more horse power than 2005 Opel Vectra. (124 HP @ 3250 RPM). In normal driving conditions, 1974 Bitter Diplomat should accelerate faster than 2005 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 1974 Bitter Diplomat weights approximately 126 kg more than 2005 Opel Vectra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1974 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 1974 Bitter Diplomat. However, in wet, icy, snow, or gravel driving conditions, 2005 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, 1974 Bitter Diplomat (419 Nm @ 3100 RPM) has 139 more torque (in Nm) than 2005 Opel Vectra. (280 Nm @ 1500 RPM). This means 1974 Bitter Diplomat will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Vectra.
Compare all specifications:
| 1974 Bitter Diplomat | 2005 Opel Vectra | |
| Make | Bitter | Opel |
| Model | Diplomat | Vectra |
| Year Released | 1974 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 5354 cc | 2171 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 227 HP | 124 HP |
| Engine RPM | 4700 RPM | 3250 RPM |
| Torque | 419 Nm | 280 Nm |
| Torque RPM | 3100 RPM | 1500 RPM |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | Front |
| Vehicle Weight | 1686 kg | 1560 kg |
| Vehicle Length | 4860 mm | 4830 mm |
| Vehicle Width | 1850 mm | 1800 mm |
| Vehicle Height | 1290 mm | 1510 mm |
| Wheelbase Size | 2690 mm | 2840 mm |
