1978 Chevrolet Caprice vs. 1978 Mercury Grand Marquis
To start off, both 1978 Chevrolet Caprice and 1978 Mercury Grand Marquis were released in the same year (1978). Therefore the support and the availability on parts for both vehicles should be relatively similar. 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 10 more horse power than 1978 Chevrolet Caprice. (129 HP @ 3200 RPM) In normal driving conditions, 1978 Mercury Grand Marquis should accelerate faster than 1978 Chevrolet Caprice. With that said, vehicle weight also plays an important factor in acceleration. 1978 Mercury Grand Marquis weights approximately 10 kg more than 1978 Chevrolet Caprice. 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 20 more torque (in Nm) than 1978 Chevrolet Caprice. (333 Nm @ 2000 RPM). This means 1978 Mercury Grand Marquis will have an easier job in driving up hills or pulling heavy equipment than 1978 Chevrolet Caprice.
Compare all specifications:
| 1978 Chevrolet Caprice | 1978 Mercury Grand Marquis | |
| Make | Chevrolet | Mercury |
| Model | Caprice | Grand Marquis |
| Year Released | 1978 | 1978 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5002 cc | 5766 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 129 HP | 139 HP |
| Engine RPM | 3200 RPM | 3200 RPM |
| Torque | 333 Nm | 353 Nm |
| Torque RPM | 2000 RPM | 2200 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 1700 kg | 1710 kg |
| Vehicle Length | 5460 mm | 5400 mm |
| Vehicle Width | 2020 mm | 1980 mm |
| Vehicle Height | 1480 mm | 1390 mm |
| Wheelbase Size | 2950 mm | 2910 mm |
