1972 AMC Ambassador vs. 1978 Mercury Grand Marquis
To start off, 1978 Mercury Grand Marquis is newer by 6 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 6,571 cc (8 cylinders), 1972 AMC Ambassador is equipped with a bigger engine. In terms of performance, 1972 AMC Ambassador (255 HP @ 4600 RPM) has 116 more horse power than 1978 Mercury Grand Marquis. (139 HP @ 3200 RPM). In normal driving conditions, 1972 AMC Ambassador should accelerate faster than 1978 Mercury Grand Marquis. With that said, vehicle weight also plays an important factor in acceleration. 1972 AMC Ambassador weights approximately 118 kg more than 1978 Mercury Grand Marquis. 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, 1972 AMC Ambassador (469 Nm @ 3300 RPM) has 116 more torque (in Nm) than 1978 Mercury Grand Marquis. (353 Nm @ 2200 RPM). This means 1972 AMC Ambassador will have an easier job in driving up hills or pulling heavy equipment than 1978 Mercury Grand Marquis.
Compare all specifications:
| 1972 AMC Ambassador | 1978 Mercury Grand Marquis | |
| Make | AMC | Mercury |
| Model | Ambassador | Grand Marquis |
| Year Released | 1972 | 1978 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 6571 cc | 5766 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 255 HP | 139 HP |
| Engine RPM | 4600 RPM | 3200 RPM |
| Torque | 469 Nm | 353 Nm |
| Torque RPM | 3300 RPM | 2200 RPM |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1828 kg | 1710 kg |
| Vehicle Length | 5330 mm | 5400 mm |
| Vehicle Width | 1970 mm | 1980 mm |
| Vehicle Height | 1450 mm | 1390 mm |
| Wheelbase Size | 3110 mm | 2910 mm |
