2007 Audi RS4 vs. 1975 Bitter Diplomat
To start off, 2007 Audi RS4 is newer by 32 year(s). Which means there will be less support and parts availability for 1975 Bitter Diplomat. In addition, the cost of maintenance, including insurance, on 1975 Bitter Diplomat would be higher. At 5,353 cc (8 cylinders), 1975 Bitter Diplomat is equipped with a bigger engine. In terms of performance, 2007 Audi RS4 (414 HP @ 7800 RPM) has 187 more horse power than 1975 Bitter Diplomat. (227 HP @ 4700 RPM). In normal driving conditions, 2007 Audi RS4 should accelerate faster than 1975 Bitter Diplomat. With that said, vehicle weight also plays an important factor in acceleration. 1975 Bitter Diplomat weights approximately 30 kg more than 2007 Audi RS4.
Because 2007 Audi RS4 is four wheel drive (4WD), it will have significant more traction and grip than 1975 Bitter Diplomat. In wet, icy, snow, or gravel driving conditions, 2007 Audi RS4 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, 2007 Audi RS4 (431 Nm @ 5500 RPM) has 12 more torque (in Nm) than 1975 Bitter Diplomat. (419 Nm @ 3100 RPM). This means 2007 Audi RS4 will have an easier job in driving up hills or pulling heavy equipment than 1975 Bitter Diplomat.
Compare all specifications:
| 2007 Audi RS4 | 1975 Bitter Diplomat | |
| Make | Audi | Bitter |
| Model | RS4 | Diplomat |
| Year Released | 2007 | 1975 |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 5353 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Horse Power | 414 HP | 227 HP |
| Engine RPM | 7800 RPM | 4700 RPM |
| Torque | 431 Nm | 419 Nm |
| Torque RPM | 5500 RPM | 3100 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Rear |
| Vehicle Weight | 1650 kg | 1680 kg |
| Vehicle Length | 4590 mm | 4860 mm |
| Vehicle Width | 1820 mm | 1850 mm |
| Vehicle Height | 1420 mm | 1290 mm |
| Wheelbase Size | 2660 mm | 2690 mm |
