1973 Bitter CD vs. 1999 Porsche 911
To start off, 1999 Porsche 911 is newer by 26 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, 1999 Porsche 911 (414 HP @ 6000 RPM) has 188 more horse power than 1973 Bitter CD. (226 HP @ 4700 RPM) In normal driving conditions, 1999 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 184 kg more than 1999 Porsche 911.
Because 1999 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, 1999 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, 1999 Porsche 911 (560 Nm @ 2700 RPM) has 133 more torque (in Nm) than 1973 Bitter CD. (427 Nm @ 3000 RPM). This means 1999 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1973 Bitter CD. 1973 Bitter CD has automatic transmission and 1999 Porsche 911 has manual transmission. 1999 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 | 1999 Porsche 911 | |
| Make | Bitter | Porsche |
| Model | CD | 911 |
| Year Released | 1973 | 1999 |
| Engine Position | Front | Rear |
| Engine Size | 5353 cc | 3595 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 226 HP | 414 HP |
| Engine RPM | 4700 RPM | 6000 RPM |
| Torque | 427 Nm | 560 Nm |
| Torque RPM | 3000 RPM | 2700 RPM |
| Engine Bore Size | 101.6 mm | 100 mm |
| Engine Stroke Size | 82.6 mm | 76.4 mm |
| Engine Compression Ratio | 10.5:1 | 9.4:1 |
| Top Speed | 209 km/hour | 304 km/hour |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1724 kg | 1540 kg |
| Vehicle Length | 4860 mm | 4440 mm |
| Vehicle Width | 1850 mm | 1840 mm |
| Vehicle Height | 1290 mm | 1300 mm |
| Wheelbase Size | 2690 mm | 2360 mm |
| Fuel Tank Capacity | 80 L | 64 L |
