1970 AC 428 vs. 2009 Audi S5
To start off, 2009 Audi S5 is newer by 39 year(s). Which means there will be less support and parts availability for 1970 AC 428. In addition, the cost of maintenance, including insurance, on 1970 AC 428 would be higher. At 7,003 cc (8 cylinders), 1970 AC 428 is equipped with a bigger engine. In terms of performance, 2009 Audi S5 (354 HP @ 6800 RPM) has 56 more horse power than 1970 AC 428. (298 HP @ 4600 RPM) In normal driving conditions, 2009 Audi S5 should accelerate faster than 1970 AC 428. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi S5 weights approximately 340 kg more than 1970 AC 428. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi S5 is four wheel drive (4WD), it will have significant more traction and grip than 1970 AC 428. In wet, icy, snow, or gravel driving conditions, 2009 Audi S5 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, 1970 AC 428 (640 Nm @ 2800 RPM) has 199 more torque (in Nm) than 2009 Audi S5. (441 Nm @ 3500 RPM). This means 1970 AC 428 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi S5.
Compare all specifications:
| 1970 AC 428 | 2009 Audi S5 | |
| Make | AC | Audi |
| Model | 428 | S5 |
| Year Released | 1970 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 7003 cc | 4163 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 298 HP | 354 HP |
| Engine RPM | 4600 RPM | 6800 RPM |
| Torque | 640 Nm | 441 Nm |
| Torque RPM | 2800 RPM | 3500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1430 kg | 1770 kg |
| Vehicle Length | 4430 mm | 4640 mm |
| Vehicle Width | 1710 mm | 1990 mm |
| Vehicle Height | 1310 mm | 1380 mm |
| Wheelbase Size | 2450 mm | 2760 mm |
