1974 AC 428 vs. 2009 Porsche Cayman
To start off, 2009 Porsche Cayman is newer by 35 year(s). Which means there will be less support and parts availability for 1974 AC 428. In addition, the cost of maintenance, including insurance, on 1974 AC 428 would be higher. At 7,003 cc (8 cylinders), 1974 AC 428 is equipped with a bigger engine. In terms of performance, 1974 AC 428 (298 HP @ 4600 RPM) has 56 more horse power than 2009 Porsche Cayman. (242 HP @ 6500 RPM). In normal driving conditions, 1974 AC 428 should accelerate faster than 2009 Porsche Cayman. With that said, vehicle weight also plays an important factor in acceleration. 2009 Porsche Cayman weights approximately 100 kg more than 1974 AC 428.
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, 1974 AC 428 (639 Nm @ 2800 RPM) has 366 more torque (in Nm) than 2009 Porsche Cayman. (273 Nm @ 4600 RPM). This means 1974 AC 428 will have an easier job in driving up hills or pulling heavy equipment than 2009 Porsche Cayman.
Compare all specifications:
| 1974 AC 428 | 2009 Porsche Cayman | |
| Make | AC | Porsche |
| Model | 428 | Cayman |
| Year Released | 1974 | 2009 |
| Engine Position | Front | Middle |
| Engine Size | 7003 cc | 2687 cc |
| Horse Power | 298 HP | 242 HP |
| Engine RPM | 4600 RPM | 6500 RPM |
| Torque | 639 Nm | 273 Nm |
| Torque RPM | 2800 RPM | 4600 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1430 kg | 1530 kg |
| Vehicle Length | 4430 mm | 4350 mm |
| Vehicle Width | 1710 mm | 1310 mm |
| Vehicle Height | 1310 mm | 1810 mm |
| Wheelbase Size | 2450 mm | 2420 mm |
