1973 Bitter CD vs. 1989 Porsche 928
To start off, 1989 Porsche 928 is newer by 16 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, 1989 Porsche 928 (306 HP @ 5900 RPM) has 80 more horse power than 1973 Bitter CD. (226 HP @ 4700 RPM) In normal driving conditions, 1989 Porsche 928 should accelerate faster than 1973 Bitter CD. With that said, vehicle weight also plays an important factor in acceleration. 1973 Bitter CD weights approximately 194 kg more than 1989 Porsche 928.
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 19 more torque (in Nm) than 1989 Porsche 928. (408 Nm @ 4100 RPM). This means 1973 Bitter CD will have an easier job in driving up hills or pulling heavy equipment than 1989 Porsche 928.
Compare all specifications:
| 1973 Bitter CD | 1989 Porsche 928 | |
| Make | Bitter | Porsche |
| Model | CD | 928 |
| Year Released | 1973 | 1989 |
| Engine Position | Front | Front |
| Engine Size | 5353 cc | 4664 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Horse Power | 226 HP | 306 HP |
| Engine RPM | 4700 RPM | 5900 RPM |
| Torque | 427 Nm | 408 Nm |
| Torque RPM | 3000 RPM | 4100 RPM |
| Engine Bore Size | 101.6 mm | 97.1 mm |
| Engine Stroke Size | 82.6 mm | 78.9 mm |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1724 kg | 1530 kg |
| Vehicle Length | 4860 mm | 4450 mm |
| Vehicle Width | 1850 mm | 1840 mm |
| Vehicle Height | 1290 mm | 1290 mm |
| Wheelbase Size | 2690 mm | 2510 mm |
| Fuel Tank Capacity | 80 L | 76 L |
