1971 AC 428 vs. 2004 Audi A4
To start off, 2004 Audi A4 is newer by 33 year(s). Which means there will be less support and parts availability for 1971 AC 428. In addition, the cost of maintenance, including insurance, on 1971 AC 428 would be higher. At 7,003 cc (8 cylinders), 1971 AC 428 is equipped with a bigger engine. In terms of performance, 1971 AC 428 (298 HP @ 4600 RPM) has 80 more horse power than 2004 Audi A4. (218 HP @ 6300 RPM). In normal driving conditions, 1971 AC 428 should accelerate faster than 2004 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A4 weights approximately 290 kg more than 1971 AC 428.
Because 2004 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 1971 AC 428. In wet, icy, snow, or gravel driving conditions, 2004 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, 1971 AC 428 (639 Nm @ 2800 RPM) has 339 more torque (in Nm) than 2004 Audi A4. (300 Nm @ 3200 RPM). This means 1971 AC 428 will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi A4. 2004 Audi A4 has automatic transmission and 1971 AC 428 has manual transmission. 1971 AC 428 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2004 Audi A4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1971 AC 428 | 2004 Audi A4 | |
| Make | AC | Audi |
| Model | 428 | A4 |
| Year Released | 1971 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 7003 cc | 2976 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 298 HP | 218 HP |
| Engine RPM | 4600 RPM | 6300 RPM |
| Torque | 639 Nm | 300 Nm |
| Torque RPM | 2800 RPM | 3200 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1430 kg | 1720 kg |
| Vehicle Length | 4430 mm | 4580 mm |
| Vehicle Width | 1710 mm | 1780 mm |
| Vehicle Height | 1310 mm | 1400 mm |
| Wheelbase Size | 2450 mm | 2660 mm |
