1972 AMC Ambassador vs. 1973 AC 428
To start off, 1973 AC 428 is newer by 1 year(s). Which means there will be less support and parts availability for 1972 AMC Ambassador. In addition, the cost of maintenance, including insurance, on 1972 AMC Ambassador 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 148 more horse power than 1972 AMC Ambassador. (150 HP @ 4200 RPM) In normal driving conditions, 1973 AC 428 should accelerate faster than 1972 AMC Ambassador. With that said, vehicle weight also plays an important factor in acceleration. 1972 AMC Ambassador weights approximately 206 kg more than 1973 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, 1973 AC 428 (639 Nm @ 2800 RPM) has 307 more torque (in Nm) than 1972 AMC Ambassador. (332 Nm @ 2500 RPM). This means 1973 AC 428 will have an easier job in driving up hills or pulling heavy equipment than 1972 AMC Ambassador.
Compare all specifications:
| 1972 AMC Ambassador | 1973 AC 428 | |
| Make | AMC | AC |
| Model | Ambassador | 428 |
| Year Released | 1972 | 1973 |
| Engine Position | Front | Front |
| Engine Size | 4982 cc | 7002 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Horse Power | 150 HP | 298 HP |
| Engine RPM | 4200 RPM | 4600 RPM |
| Torque | 332 Nm | 639 Nm |
| Torque RPM | 2500 RPM | 2800 RPM |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1636 kg | 1430 kg |
| Vehicle Length | 5370 mm | 4430 mm |
| Vehicle Width | 1970 mm | 1710 mm |
| Vehicle Height | 1420 mm | 1310 mm |
| Wheelbase Size | 3110 mm | 2450 mm |
