2006 Audi S4 vs. 1973 Bitter CD
To start off, 2006 Audi S4 is newer by 33 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, 2006 Audi S4 (340 HP @ 7000 RPM) has 114 more horse power than 1973 Bitter CD. (226 HP @ 4700 RPM). In normal driving conditions, 2006 Audi S4 should accelerate faster than 1973 Bitter CD. With that said, vehicle weight also plays an important factor in acceleration. 1973 Bitter CD weights approximately 214 kg more than 2006 Audi S4.
Because 1973 Bitter CD is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1973 Bitter CD. However, in wet, icy, snow, or gravel driving conditions, 2006 Audi S4, being front wheel drive (FWD), will offer much better control with better grip. 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 17 more torque (in Nm) than 2006 Audi S4. (410 Nm @ 3500 RPM). This means 1973 Bitter CD will have an easier job in driving up hills or pulling heavy equipment than 2006 Audi S4.
Compare all specifications:
| 2006 Audi S4 | 1973 Bitter CD | |
| Make | Audi | Bitter |
| Model | S4 | CD |
| Year Released | 2006 | 1973 |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 5353 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 340 HP | 226 HP |
| Engine RPM | 7000 RPM | 4700 RPM |
| Torque | 410 Nm | 427 Nm |
| Torque RPM | 3500 RPM | 3000 RPM |
| Engine Compression Ratio | 11.0:1 | 10.5:1 |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1510 kg | 1724 kg |
| Vehicle Length | 4590 mm | 4860 mm |
| Vehicle Width | 1790 mm | 1850 mm |
| Vehicle Height | 1420 mm | 1290 mm |
| Wheelbase Size | 2660 mm | 2690 mm |
| Fuel Tank Capacity | 63 L | 80 L |
