1974 Bitter Diplomat vs. 2007 BMW 645
To start off, 2007 BMW 645 is newer by 33 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, 2007 BMW 645 (328 HP @ 6100 RPM) has 101 more horse power than 1974 Bitter Diplomat. (227 HP @ 4700 RPM) In normal driving conditions, 2007 BMW 645 should accelerate faster than 1974 Bitter Diplomat. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 645 weights approximately 4 kg more than 1974 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 BMW 645 (450 Nm @ 3600 RPM) has 31 more torque (in Nm) than 1974 Bitter Diplomat. (419 Nm @ 3100 RPM). This means 2007 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 1974 Bitter Diplomat.
Compare all specifications:
| 1974 Bitter Diplomat | 2007 BMW 645 | |
| Make | Bitter | BMW |
| Model | Diplomat | 645 |
| Year Released | 1974 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 5354 cc | 4398 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 227 HP | 328 HP |
| Engine RPM | 4700 RPM | 6100 RPM |
| Torque | 419 Nm | 450 Nm |
| Torque RPM | 3100 RPM | 3600 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Rear |
| Vehicle Weight | 1686 kg | 1690 kg |
| Vehicle Length | 4860 mm | 4830 mm |
| Vehicle Width | 1850 mm | 1860 mm |
| Vehicle Height | 1290 mm | 1380 mm |
| Wheelbase Size | 2690 mm | 2790 mm |
