1978 Bitter Diplomat vs. 1981 Opel Ascona
To start off, 1981 Opel Ascona is newer by 3 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 174 more horse power than 1981 Opel Ascona. (53 HP @ 4600 RPM). In normal driving conditions, 1978 Bitter Diplomat should accelerate faster than 1981 Opel Ascona. With that said, vehicle weight also plays an important factor in acceleration. 1978 Bitter Diplomat weights approximately 660 kg more than 1981 Opel Ascona. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1978 Bitter Diplomat (419 Nm @ 3100 RPM) has 321 more torque (in Nm) than 1981 Opel Ascona. (98 Nm @ 2400 RPM). This means 1978 Bitter Diplomat will have an easier job in driving up hills or pulling heavy equipment than 1981 Opel Ascona.
Compare all specifications:
| 1978 Bitter Diplomat | 1981 Opel Ascona | |
| Make | Bitter | Opel |
| Model | Diplomat | Ascona |
| Year Released | 1978 | 1981 |
| 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 | 53 HP |
| Engine RPM | 4700 RPM | 4600 RPM |
| Torque | 419 Nm | 98 Nm |
| Torque RPM | 3100 RPM | 2400 RPM |
| Fuel Type | Gasoline | Diesel |
| Vehicle Weight | 1680 kg | 1020 kg |
| Vehicle Length | 4860 mm | 4380 mm |
| Vehicle Width | 1850 mm | 1680 mm |
| Vehicle Height | 1290 mm | 1400 mm |
| Wheelbase Size | 2690 mm | 2580 mm |
