2006 Audi A8 vs. 1975 AC 428
To start off, 2006 Audi A8 is newer by 31 year(s). Which means there will be less support and parts availability for 1975 AC 428. In addition, the cost of maintenance, including insurance, on 1975 AC 428 would be higher. At 7,003 cc (8 cylinders), 1975 AC 428 is equipped with a bigger engine. In terms of performance, 2006 Audi A8 (329 HP @ 6500 RPM) has 31 more horse power than 1975 AC 428. (298 HP @ 4600 RPM). In normal driving conditions, 2006 Audi A8 should accelerate faster than 1975 AC 428. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi A8 weights approximately 425 kg more than 1975 AC 428. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 1975 AC 428. In wet, icy, snow, or gravel driving conditions, 2006 Audi A8 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, 1975 AC 428 (639 Nm @ 2800 RPM) has 209 more torque (in Nm) than 2006 Audi A8. (430 Nm @ 3500 RPM). This means 1975 AC 428 will have an easier job in driving up hills or pulling heavy equipment than 2006 Audi A8. 1975 AC 428 has automatic transmission and 2006 Audi A8 has manual transmission. 2006 Audi A8 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1975 AC 428 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Audi A8 | 1975 AC 428 | |
| Make | Audi | AC |
| Model | A8 | 428 |
| Year Released | 2006 | 1975 |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 7003 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Horse Power | 329 HP | 298 HP |
| Engine RPM | 6500 RPM | 4600 RPM |
| Torque | 430 Nm | 639 Nm |
| Torque RPM | 3500 RPM | 2800 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1855 kg | 1430 kg |
| Vehicle Length | 5060 mm | 4430 mm |
| Vehicle Width | 1900 mm | 1710 mm |
| Vehicle Height | 1450 mm | 1310 mm |
| Wheelbase Size | 2950 mm | 2450 mm |
