1973 AC 428 vs. 1978 Porsche 924
To start off, 1978 Porsche 924 is newer by 5 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, 1973 AC 428 (298 HP @ 4600 RPM) has 128 more horse power than 1978 Porsche 924. (170 HP @ 5500 RPM). In normal driving conditions, 1973 AC 428 should accelerate faster than 1978 Porsche 924. With that said, vehicle weight also plays an important factor in acceleration. 1973 AC 428 weights approximately 250 kg more than 1978 Porsche 924. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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 394 more torque (in Nm) than 1978 Porsche 924. (245 Nm @ 3500 RPM). This means 1973 AC 428 will have an easier job in driving up hills or pulling heavy equipment than 1978 Porsche 924.
Compare all specifications:
| 1973 AC 428 | 1978 Porsche 924 | |
| Make | AC | Porsche |
| Model | 428 | 924 |
| Year Released | 1973 | 1978 |
| Engine Position | Front | Front |
| Engine Size | 7002 cc | 1984 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 298 HP | 170 HP |
| Engine RPM | 4600 RPM | 5500 RPM |
| Torque | 639 Nm | 245 Nm |
| Torque RPM | 2800 RPM | 3500 RPM |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1430 kg | 1180 kg |
| Vehicle Length | 4430 mm | 4220 mm |
| Vehicle Width | 1710 mm | 1660 mm |
| Vehicle Height | 1310 mm | 1270 mm |
| Wheelbase Size | 2450 mm | 2410 mm |
