1975 AC 428 vs. 2011 Audi R8
To start off, 2011 Audi R8 is newer by 36 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, 2011 Audi R8 (420 HP @ 7800 RPM) has 122 more horse power than 1975 AC 428. (298 HP @ 4600 RPM) In normal driving conditions, 2011 Audi R8 should accelerate faster than 1975 AC 428.
Because 2011 Audi R8 is all wheel drive (AWD), it will have significant more traction and grip than 1975 AC 428. In wet, icy, snow, or gravel driving conditions, 2011 Audi R8 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 2011 Audi R8. (430 Nm @ 4500 RPM). This means 1975 AC 428 will have an easier job in driving up hills or pulling heavy equipment than 2011 Audi R8.
Compare all specifications:
| 1975 AC 428 | 2011 Audi R8 | |
| Make | AC | Audi |
| Model | 428 | R8 |
| Year Released | 1975 | 2011 |
| Engine Position | Front | Middle |
| Engine Size | 7003 cc | 4200 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 298 HP | 420 HP |
| Engine RPM | 4600 RPM | 7800 RPM |
| Torque | 639 Nm | 430 Nm |
| Torque RPM | 2800 RPM | 4500 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | AWD |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Length | 4430 mm | 4435 mm |
| Vehicle Width | 1710 mm | 1905 mm |
| Vehicle Height | 1310 mm | 1245 mm |
| Wheelbase Size | 2450 mm | 2649 mm |
