1973 Bitter CD vs. 2001 Porsche 911
To start off, 2001 Porsche 911 is newer by 28 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, 2001 Porsche 911 (315 HP @ 6800 RPM) has 89 more horse power than 1973 Bitter CD. (226 HP @ 4700 RPM) In normal driving conditions, 2001 Porsche 911 should accelerate faster than 1973 Bitter CD. With that said, vehicle weight also plays an important factor in acceleration. 1973 Bitter CD weights approximately 324 kg more than 2001 Porsche 911.
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 57 more torque (in Nm) than 2001 Porsche 911. (370 Nm @ 4250 RPM). This means 1973 Bitter CD will have an easier job in driving up hills or pulling heavy equipment than 2001 Porsche 911.
Compare all specifications:
| 1973 Bitter CD | 2001 Porsche 911 | |
| Make | Bitter | Porsche |
| Model | CD | 911 |
| Year Released | 1973 | 2001 |
| Engine Position | Front | Rear |
| Engine Size | 5353 cc | 3596 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 226 HP | 315 HP |
| Engine RPM | 4700 RPM | 6800 RPM |
| Torque | 427 Nm | 370 Nm |
| Torque RPM | 3000 RPM | 4250 RPM |
| Engine Bore Size | 101.6 mm | 96 mm |
| Engine Stroke Size | 82.6 mm | 82.8 mm |
| Engine Compression Ratio | 10.5:1 | 11.3:1 |
| Top Speed | 209 km/hour | 280 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1724 kg | 1400 kg |
| Vehicle Length | 4860 mm | 4440 mm |
| Vehicle Width | 1850 mm | 1780 mm |
| Vehicle Height | 1290 mm | 1310 mm |
| Wheelbase Size | 2690 mm | 2360 mm |
| Fuel Tank Capacity | 80 L | 64 L |
