2009 Audi A4 vs. 1978 Bitter Diplomat
To start off, 2009 Audi A4 is newer by 31 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 5 more horse power than 2009 Audi A4. (222 HP @ 4000 RPM) In normal driving conditions, 1978 Bitter Diplomat should accelerate faster than 2009 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 1978 Bitter Diplomat weights approximately 70 kg more than 2009 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 1978 Bitter Diplomat. In wet, icy, snow, or gravel driving conditions, 2009 Audi A4 will offer significantly more control. 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, 2009 Audi A4 (450 Nm @ 1400 RPM) has 31 more torque (in Nm) than 1978 Bitter Diplomat. (419 Nm @ 3100 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1978 Bitter Diplomat.
Compare all specifications:
| 2009 Audi A4 | 1978 Bitter Diplomat | |
| Make | Audi | Bitter |
| Model | A4 | Diplomat |
| Year Released | 2009 | 1978 |
| Engine Position | Front | Front |
| Engine Size | 2965 cc | 5354 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Horse Power | 222 HP | 227 HP |
| Engine RPM | 4000 RPM | 4700 RPM |
| Torque | 450 Nm | 419 Nm |
| Torque RPM | 1400 RPM | 3100 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | Rear |
| Vehicle Weight | 1610 kg | 1680 kg |
| Vehicle Length | 4550 mm | 4860 mm |
| Vehicle Width | 1780 mm | 1850 mm |
| Vehicle Height | 1430 mm | 1290 mm |
| Wheelbase Size | 2660 mm | 2690 mm |
