1973 Bitter CD vs. 2005 Porsche 911
To start off, 2005 Porsche 911 is newer by 32 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, 2005 Porsche 911 (320 HP @ 6800 RPM) has 94 more horse power than 1973 Bitter CD. (226 HP @ 4700 RPM) In normal driving conditions, 2005 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 274 kg more than 2005 Porsche 911.
Because 2005 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 1973 Bitter CD. In wet, icy, snow, or gravel driving conditions, 2005 Porsche 911 will offer significantly more control. 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 2005 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 2005 Porsche 911. 1973 Bitter CD has automatic transmission and 2005 Porsche 911 has manual transmission. 2005 Porsche 911 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1973 Bitter CD will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1973 Bitter CD | 2005 Porsche 911 | |
| Make | Bitter | Porsche |
| Model | CD | 911 |
| Year Released | 1973 | 2005 |
| Engine Position | Front | Rear |
| Engine Size | 5353 cc | 3594 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 226 HP | 320 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 | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1724 kg | 1450 kg |
| Vehicle Length | 4860 mm | 4430 mm |
| Vehicle Width | 1850 mm | 1860 mm |
| Vehicle Height | 1290 mm | 1320 mm |
| Wheelbase Size | 2690 mm | 2360 mm |
| Fuel Tank Capacity | 80 L | 64 L |
