1978 Mercury Grand Marquis vs. 1947 Oldsmobile 66
To start off, 1978 Mercury Grand Marquis is newer by 31 year(s). Which means there will be less support and parts availability for 1947 Oldsmobile 66. In addition, the cost of maintenance, including insurance, on 1947 Oldsmobile 66 would be higher. At 5,766 cc (8 cylinders), 1978 Mercury Grand Marquis is equipped with a bigger engine. In terms of performance, 1978 Mercury Grand Marquis (139 HP @ 3200 RPM) has 39 more horse power than 1947 Oldsmobile 66. (100 HP @ 3400 RPM). In normal driving conditions, 1978 Mercury Grand Marquis should accelerate faster than 1947 Oldsmobile 66. With that said, vehicle weight also plays an important factor in acceleration. 1947 Oldsmobile 66 weights approximately 66 kg more than 1978 Mercury Grand Marquis.
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.
Compare all specifications:
| 1978 Mercury Grand Marquis | 1947 Oldsmobile 66 | |
| Make | Mercury | Oldsmobile |
| Model | Grand Marquis | 66 |
| Year Released | 1978 | 1947 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 5766 cc | 3903 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 139 HP | 100 HP |
| Engine RPM | 3200 RPM | 3400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1710 kg | 1776 kg |
| Vehicle Length | 5400 mm | 5190 mm |
| Vehicle Width | 1980 mm | 1920 mm |
| Wheelbase Size | 2910 mm | 3030 mm |
