2009 Audi A6 vs. 1975 AC 428
To start off, 2009 Audi A6 is newer by 34 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, 1975 AC 428 (298 HP @ 4600 RPM) has 150 more horse power than 2009 Audi A6. (148 HP @ 5700 RPM) In normal driving conditions, 1975 AC 428 should accelerate faster than 2009 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A6 weights approximately 165 kg more than 1975 AC 428.
Because 2009 Audi A6 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, 2009 Audi A6 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 429 more torque (in Nm) than 2009 Audi A6. (210 Nm @ 1750 RPM). This means 1975 AC 428 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A6. 1975 AC 428 has automatic transmission and 2009 Audi A6 has manual transmission. 2009 Audi A6 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:
| 2009 Audi A6 | 1975 AC 428 | |
| Make | Audi | AC |
| Model | A6 | 428 |
| Year Released | 2009 | 1975 |
| Engine Position | Front | Front |
| Engine Size | 1779 cc | 7003 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 148 HP | 298 HP |
| Engine RPM | 5700 RPM | 4600 RPM |
| Torque | 210 Nm | 639 Nm |
| Torque RPM | 1750 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 | 5 doors | 2 doors |
| Vehicle Weight | 1595 kg | 1430 kg |
| Vehicle Length | 4800 mm | 4430 mm |
| Vehicle Width | 1820 mm | 1710 mm |
| Vehicle Height | 1460 mm | 1310 mm |
| Wheelbase Size | 2770 mm | 2450 mm |
