1971 AC 428 vs. 1975 Porsche 924
To start off, 1975 Porsche 924 is newer by 4 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 173 more horse power than 1975 Porsche 924. (125 HP @ 5800 RPM). In normal driving conditions, 1971 AC 428 should accelerate faster than 1975 Porsche 924. With that said, vehicle weight also plays an important factor in acceleration. 1971 AC 428 weights approximately 344 kg more than 1975 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, 1971 AC 428 (639 Nm @ 2800 RPM) has 475 more torque (in Nm) than 1975 Porsche 924. (164 Nm @ 3500 RPM). This means 1971 AC 428 will have an easier job in driving up hills or pulling heavy equipment than 1975 Porsche 924. 1975 Porsche 924 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. 1975 Porsche 924 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1971 AC 428 | 1975 Porsche 924 | |
| Make | AC | Porsche |
| Model | 428 | 924 |
| Year Released | 1971 | 1975 |
| Engine Position | Front | Front |
| Engine Size | 7003 cc | 1984 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 298 HP | 125 HP |
| Engine RPM | 4600 RPM | 5800 RPM |
| Torque | 639 Nm | 164 Nm |
| Torque RPM | 2800 RPM | 3500 RPM |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1430 kg | 1086 kg |
| Vehicle Length | 4430 mm | 4180 mm |
| Vehicle Width | 1710 mm | 1660 mm |
| Vehicle Height | 1310 mm | 1270 mm |
| Wheelbase Size | 2450 mm | 2410 mm |
