1966 Fiat Cabriolet vs. 1978 Mercury Grand Marquis
To start off, 1978 Mercury Grand Marquis is newer by 12 year(s). Which means there will be less support and parts availability for 1966 Fiat Cabriolet. In addition, the cost of maintenance, including insurance, on 1966 Fiat Cabriolet 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 77 more horse power than 1966 Fiat Cabriolet. (62 HP @ 5300 RPM) In normal driving conditions, 1978 Mercury Grand Marquis should accelerate faster than 1966 Fiat Cabriolet. With that said, vehicle weight also plays an important factor in acceleration. 1978 Mercury Grand Marquis weights approximately 820 kg more than 1966 Fiat Cabriolet. 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 259 more torque (in Nm) than 1966 Fiat Cabriolet. (94 Nm @ 4000 RPM). This means 1978 Mercury Grand Marquis will have an easier job in driving up hills or pulling heavy equipment than 1966 Fiat Cabriolet.
Compare all specifications:
| 1966 Fiat Cabriolet | 1978 Mercury Grand Marquis | |
| Make | Fiat | Mercury |
| Model | Cabriolet | Grand Marquis |
| Year Released | 1966 | 1978 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1221 cc | 5766 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 62 HP | 139 HP |
| Engine RPM | 5300 RPM | 3200 RPM |
| Torque | 94 Nm | 353 Nm |
| Torque RPM | 4000 RPM | 2200 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 890 kg | 1710 kg |
| Vehicle Length | 4040 mm | 5400 mm |
| Vehicle Width | 1530 mm | 1980 mm |
| Vehicle Height | 1310 mm | 1390 mm |
| Wheelbase Size | 2350 mm | 2910 mm |
