1973 Bitter CD vs. 2009 BMW 525
To start off, 2009 BMW 525 is newer by 36 year(s). Which means there will be less support and parts availability for 1973 Bitter CD. In addition, the cost of maintenance, including insurance, on 1973 Bitter CD would be higher. At 5,353 cc (8 cylinders), 1973 Bitter CD is equipped with a bigger engine. In terms of performance, 1973 Bitter CD (226 HP @ 4700 RPM) has 11 more horse power than 2009 BMW 525. (215 HP @ 6500 RPM). In normal driving conditions, 1973 Bitter CD should accelerate faster than 2009 BMW 525. With that said, vehicle weight also plays an important factor in acceleration. 1973 Bitter CD weights approximately 229 kg more than 2009 BMW 525. 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, 1973 Bitter CD (427 Nm @ 3000 RPM) has 177 more torque (in Nm) than 2009 BMW 525. (250 Nm @ 2900 RPM). This means 1973 Bitter CD will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 525.
Compare all specifications:
| 1973 Bitter CD | 2009 BMW 525 | |
| Make | Bitter | BMW |
| Model | CD | 525 |
| Year Released | 1973 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 5353 cc | 2497 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 226 HP | 215 HP |
| Engine RPM | 4700 RPM | 6500 RPM |
| Torque | 427 Nm | 250 Nm |
| Torque RPM | 3000 RPM | 2900 RPM |
| Engine Bore Size | 101.6 mm | 82 mm |
| Engine Stroke Size | 82.6 mm | 78.8 mm |
| Engine Compression Ratio | 10.5:1 | 11.0:1 |
| Top Speed | 209 km/hour | 245 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1724 kg | 1495 kg |
| Vehicle Length | 4860 mm | 4850 mm |
| Vehicle Width | 1850 mm | 1470 mm |
| Vehicle Height | 1290 mm | 1850 mm |
| Wheelbase Size | 2690 mm | 2890 mm |
| Fuel Tank Capacity | 80 L | 70 L |
