2005 Chrysler 300 vs. 1978 Mercury Grand Marquis
To start off, 2005 Chrysler 300 is newer by 27 year(s). Which means there will be less support and parts availability for 1978 Mercury Grand Marquis. In addition, the cost of maintenance, including insurance, on 1978 Mercury Grand Marquis would be higher. At 5,653 cc (8 cylinders), 2005 Chrysler 300 is equipped with a bigger engine. In terms of performance, 2005 Chrysler 300 (340 HP @ 6400 RPM) has 211 more horse power than 1978 Mercury Grand Marquis. (129 HP @ 3600 RPM). In normal driving conditions, 2005 Chrysler 300 should accelerate faster than 1978 Mercury Grand Marquis. With that said, vehicle weight also plays an important factor in acceleration. 2005 Chrysler 300 weights approximately 145 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.
Let's talk about torque, 2005 Chrysler 300 (529 Nm) has 226 more torque (in Nm) than 1978 Mercury Grand Marquis. (303 Nm). This means 2005 Chrysler 300 will have an easier job in driving up hills or pulling heavy equipment than 1978 Mercury Grand Marquis.
Compare all specifications:
| 2005 Chrysler 300 | 1978 Mercury Grand Marquis | |
| Make | Chrysler | Mercury |
| Model | 300 | Grand Marquis |
| Year Released | 2005 | 1978 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5653 cc | 4942 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 340 HP | 129 HP |
| Engine RPM | 6400 RPM | 3600 RPM |
| Torque | 529 Nm | 303 Nm |
| Engine Bore Size | 100 mm | 101.6 mm |
| Engine Stroke Size | 91 mm | 76.2 mm |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1835 kg | 1690 kg |
| Vehicle Length | 5010 mm | 5400 mm |
| Vehicle Width | 1890 mm | 1980 mm |
| Vehicle Height | 1490 mm | 1390 mm |
| Wheelbase Size | 3050 mm | 2910 mm |
