1999 Audi S8 vs. 1973 AC 428
To start off, 1999 Audi S8 is newer by 26 year(s). Which means there will be less support and parts availability for 1973 AC 428. In addition, the cost of maintenance, including insurance, on 1973 AC 428 would be higher. At 7,002 cc (8 cylinders), 1973 AC 428 is equipped with a bigger engine. In terms of performance, 1999 Audi S8 (335 HP @ 7000 RPM) has 37 more horse power than 1973 AC 428. (298 HP @ 4600 RPM). In normal driving conditions, 1999 Audi S8 should accelerate faster than 1973 AC 428. With that said, vehicle weight also plays an important factor in acceleration. 1999 Audi S8 weights approximately 300 kg more than 1973 AC 428. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1999 Audi S8 is all wheel drive (AWD), it will have significant more traction and grip than 1973 AC 428. In wet, icy, snow, or gravel driving conditions, 1999 Audi S8 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, 1973 AC 428 (639 Nm @ 2800 RPM) has 308 more torque (in Nm) than 1999 Audi S8. (331 Nm @ 3400 RPM). This means 1973 AC 428 will have an easier job in driving up hills or pulling heavy equipment than 1999 Audi S8. 1973 AC 428 has automatic transmission and 1999 Audi S8 has manual transmission. 1999 Audi S8 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1973 AC 428 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1999 Audi S8 | 1973 AC 428 | |
| Make | Audi | AC |
| Model | S8 | 428 |
| Year Released | 1999 | 1973 |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 7002 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Horse Power | 335 HP | 298 HP |
| Engine RPM | 7000 RPM | 4600 RPM |
| Torque | 331 Nm | 639 Nm |
| Torque RPM | 3400 RPM | 2800 RPM |
| Drive Type | AWD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1730 kg | 1430 kg |
| Vehicle Length | 5040 mm | 4430 mm |
| Vehicle Width | 1890 mm | 1710 mm |
| Vehicle Height | 1420 mm | 1310 mm |
| Wheelbase Size | 2890 mm | 2450 mm |
