1978 Mercury Grand Marquis vs. 1967 Opel Commodore
To start off, 1978 Mercury Grand Marquis is newer by 11 year(s). Which means there will be less support and parts availability for 1967 Opel Commodore. In addition, the cost of maintenance, including insurance, on 1967 Opel Commodore 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 45 more horse power than 1967 Opel Commodore. (94 HP @ 4800 RPM). In normal driving conditions, 1978 Mercury Grand Marquis should accelerate faster than 1967 Opel Commodore. With that said, vehicle weight also plays an important factor in acceleration. 1978 Mercury Grand Marquis weights approximately 540 kg more than 1967 Opel Commodore. 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, 1978 Mercury Grand Marquis (353 Nm @ 2200 RPM) has 196 more torque (in Nm) than 1967 Opel Commodore. (157 Nm @ 3200 RPM). This means 1978 Mercury Grand Marquis will have an easier job in driving up hills or pulling heavy equipment than 1967 Opel Commodore.
Compare all specifications:
| 1978 Mercury Grand Marquis | 1967 Opel Commodore | |
| Make | Mercury | Opel |
| Model | Grand Marquis | Commodore |
| Year Released | 1978 | 1967 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 5766 cc | 2237 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 139 HP | 94 HP |
| Engine RPM | 3200 RPM | 4800 RPM |
| Torque | 353 Nm | 157 Nm |
| Torque RPM | 2200 RPM | 3200 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1710 kg | 1170 kg |
| Vehicle Length | 5400 mm | 4580 mm |
| Vehicle Width | 1980 mm | 1760 mm |
| Vehicle Height | 1390 mm | 1440 mm |
| Wheelbase Size | 2910 mm | 2670 mm |
