2004 GMC Sierra vs. 1978 Mercury Grand Marquis
To start off, 2004 GMC Sierra is newer by 26 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 5,967 cc (8 cylinders), 2004 GMC Sierra is equipped with a bigger engine. In terms of performance, 2004 GMC Sierra (321 HP @ 5000 RPM) has 192 more horse power than 1978 Mercury Grand Marquis. (129 HP @ 3600 RPM). In normal driving conditions, 2004 GMC Sierra should accelerate faster than 1978 Mercury Grand Marquis. With that said, vehicle weight also plays an important factor in acceleration. 2004 GMC Sierra weights approximately 580 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.
Because 2004 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 1978 Mercury Grand Marquis. In wet, icy, snow, or gravel driving conditions, 2004 GMC Sierra will offer significantly more control. 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, 2004 GMC Sierra (370 Nm @ 4000 RPM) has 67 more torque (in Nm) than 1978 Mercury Grand Marquis. (303 Nm @ 2600 RPM). This means 2004 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1978 Mercury Grand Marquis.
Compare all specifications:
2004 GMC Sierra | 1978 Mercury Grand Marquis | |
Make | GMC | Mercury |
Model | Sierra | Grand Marquis |
Year Released | 2004 | 1978 |
Body Type | Pickup | Sedan |
Engine Position | Front | Front |
Engine Size | 5967 cc | 4942 cc |
Engine Cylinders | 8 cylinders | 8 cylinders |
Engine Type | V | V |
Horse Power | 321 HP | 129 HP |
Engine RPM | 5000 RPM | 3600 RPM |
Torque | 370 Nm | 303 Nm |
Torque RPM | 4000 RPM | 2600 RPM |
Fuel Type | Gasoline | Gasoline |
Drive Type | 4WD | Rear |
Number of Seats | 6 seats | 5 seats |
Number of Doors | 4 doors | 4 doors |
Vehicle Weight | 2270 kg | 1690 kg |
Vehicle Length | 5790 mm | 5400 mm |
Vehicle Width | 2000 mm | 1980 mm |
Vehicle Height | 1850 mm | 1390 mm |
Wheelbase Size | 3650 mm | 2910 mm |