2006 Audi S6 vs. 1973 AC 428
To start off, 2006 Audi S6 is newer by 33 year(s). Which means there will be less support and parts availability for 1973 AC 428. In addition, the cost of maintenance, including insurance, on 1973 AC 428 would be higher. At 7,002 cc (8 cylinders), 1973 AC 428 is equipped with a bigger engine. In terms of performance, 2006 Audi S6 (420 HP @ 6800 RPM) has 122 more horse power than 1973 AC 428. (298 HP @ 4600 RPM). In normal driving conditions, 2006 Audi S6 should accelerate faster than 1973 AC 428.
Because 2006 Audi S6 is four wheel drive (4WD), it will have significant more traction and grip than 1973 AC 428. In wet, icy, snow, or gravel driving conditions, 2006 Audi S6 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, 2006 Audi S6 (732 Nm @ 3000 RPM) has 93 more torque (in Nm) than 1973 AC 428. (639 Nm @ 2800 RPM). This means 2006 Audi S6 will have an easier job in driving up hills or pulling heavy equipment than 1973 AC 428.
Compare all specifications:
| 2006 Audi S6 | 1973 AC 428 | |
| Make | Audi | AC |
| Model | S6 | 428 |
| Year Released | 2006 | 1973 |
| Engine Position | Front | Front |
| Engine Size | 5204 cc | 7002 cc |
| Engine Cylinders | 10 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Horse Power | 420 HP | 298 HP |
| Engine RPM | 6800 RPM | 4600 RPM |
| Torque | 732 Nm | 639 Nm |
| Torque RPM | 3000 RPM | 2800 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Width | 1870 mm | 1710 mm |
