2007 Alpina B5 vs. 1975 Bitter Diplomat
To start off, 2007 Alpina B5 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 Alpina B5 (493 HP @ 5500 RPM) has 266 more horse power than 1975 Bitter Diplomat. (227 HP @ 4700 RPM). In normal driving conditions, 2007 Alpina B5 should accelerate faster than 1975 Bitter Diplomat. With that said, vehicle weight also plays an important factor in acceleration. 2007 Alpina B5 weights approximately 42 kg more than 1975 Bitter Diplomat. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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 Alpina B5 (700 Nm @ 4250 RPM) has 281 more torque (in Nm) than 1975 Bitter Diplomat. (419 Nm @ 3100 RPM). This means 2007 Alpina B5 will have an easier job in driving up hills or pulling heavy equipment than 1975 Bitter Diplomat.
Compare all specifications:
| 2007 Alpina B5 | 1975 Bitter Diplomat | |
| Make | Alpina | Bitter |
| Model | B5 | Diplomat |
| Year Released | 2007 | 1975 |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 5353 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Horse Power | 493 HP | 227 HP |
| Engine RPM | 5500 RPM | 4700 RPM |
| Torque | 700 Nm | 419 Nm |
| Torque RPM | 4250 RPM | 3100 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Rear |
| Vehicle Weight | 1722 kg | 1680 kg |
| Vehicle Length | 4850 mm | 4860 mm |
| Vehicle Width | 1850 mm | 1850 mm |
| Vehicle Height | 1470 mm | 1290 mm |
| Wheelbase Size | 2890 mm | 2690 mm |
