1973 Bitter CD vs. 2013 BMW 7 Series
To start off, 2013 BMW 7 Series is newer by 40 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, 2013 BMW 7 Series (311 HP @ 5800 RPM) has 85 more horse power than 1973 Bitter CD. (226 HP @ 4700 RPM) In normal driving conditions, 2013 BMW 7 Series should accelerate faster than 1973 Bitter CD. With that said, vehicle weight also plays an important factor in acceleration. 2013 BMW 7 Series weights approximately 249 kg more than 1973 Bitter CD. 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, 2013 BMW 7 Series (447 Nm @ 4500 RPM) has 20 more torque (in Nm) than 1973 Bitter CD. (427 Nm @ 3000 RPM). This means 2013 BMW 7 Series will have an easier job in driving up hills or pulling heavy equipment than 1973 Bitter CD.
Compare all specifications:
| 1973 Bitter CD | 2013 BMW 7 Series | |
| Make | Bitter | BMW |
| Model | CD | 7 Series |
| Year Released | 1973 | 2013 |
| Engine Position | Front | Front |
| Engine Size | 5353 cc | 2979 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 226 HP | 311 HP |
| Engine RPM | 4700 RPM | 5800 RPM |
| Torque | 427 Nm | 447 Nm |
| Torque RPM | 3000 RPM | 4500 RPM |
| Engine Bore Size | 101.6 mm | 84 mm |
| Engine Stroke Size | 82.6 mm | 89 mm |
| Engine Compression Ratio | 10.5:1 | 10.2 :1 |
| Top Speed | 209 km/hour | 250 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | 8-speed automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1724 kg | 1973 kg |
| Vehicle Length | 4860 mm | 5214 mm |
| Vehicle Width | 1850 mm | 2134 mm |
| Vehicle Height | 1290 mm | 1481 mm |
| Wheelbase Size | 2690 mm | 3210 mm |
| Fuel Tank Capacity | 80 L | 80 L |
