1975 AC 428 vs. 2007 Audi A4
To start off, 2007 Audi A4 is newer by 32 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 76 more horse power than 2007 Audi A4. (222 HP @ 4000 RPM). In normal driving conditions, 1975 AC 428 should accelerate faster than 2007 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 1975 AC 428 weights approximately 155 kg more than 2007 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Audi A4 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, 2007 Audi A4 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 189 more torque (in Nm) than 2007 Audi A4. (450 Nm @ 1400 RPM). This means 1975 AC 428 will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A4.
Compare all specifications:
| 1975 AC 428 | 2007 Audi A4 | |
| Make | AC | Audi |
| Model | 428 | A4 |
| Year Released | 1975 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 7003 cc | 2967 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 298 HP | 222 HP |
| Engine RPM | 4600 RPM | 4000 RPM |
| Torque | 639 Nm | 450 Nm |
| Torque RPM | 2800 RPM | 1400 RPM |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1430 kg | 1275 kg |
| Vehicle Length | 4430 mm | 4590 mm |
| Vehicle Width | 1710 mm | 1780 mm |
| Vehicle Height | 1310 mm | 1430 mm |
| Wheelbase Size | 2450 mm | 2660 mm |
