2005 Mercury Mariner vs. 2003 Mercury Grand Marquis
To start off, 2005 Mercury Mariner is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Mercury Grand Marquis. In addition, the cost of maintenance, including insurance, on 2003 Mercury Grand Marquis would be higher. At 4,604 cc (8 cylinders), 2003 Mercury Grand Marquis is equipped with a bigger engine. In terms of performance, 2003 Mercury Grand Marquis (208 HP @ 4250 RPM) has 55 more horse power than 2005 Mercury Mariner. (153 HP @ 5800 RPM) In normal driving conditions, 2003 Mercury Grand Marquis should accelerate faster than 2005 Mercury Mariner. With that said, vehicle weight also plays an important factor in acceleration. 2003 Mercury Grand Marquis weights approximately 253 kg more than 2005 Mercury Mariner. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Mercury Mariner is four wheel drive (4WD), it will have significant more traction and grip than 2003 Mercury Grand Marquis. In wet, icy, snow, or gravel driving conditions, 2005 Mercury Mariner 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, 2003 Mercury Grand Marquis (359 Nm @ 3000 RPM) has 153 more torque (in Nm) than 2005 Mercury Mariner. (206 Nm @ 4250 RPM). This means 2003 Mercury Grand Marquis will have an easier job in driving up hills or pulling heavy equipment than 2005 Mercury Mariner.
Compare all specifications:
| 2005 Mercury Mariner | 2003 Mercury Grand Marquis | |
| Make | Mercury | Mercury |
| Model | Mariner | Grand Marquis |
| Year Released | 2005 | 2003 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2261 cc | 4604 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 153 HP | 208 HP |
| Engine RPM | 5800 RPM | 4250 RPM |
| Torque | 206 Nm | 359 Nm |
| Torque RPM | 4250 RPM | 3000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1579 kg | 1832 kg |
| Vehicle Length | 4430 mm | 5390 mm |
| Vehicle Width | 1790 mm | 1990 mm |
| Vehicle Height | 1730 mm | 1450 mm |
| Wheelbase Size | 2630 mm | 2760 mm |
| Fuel Consumption Overall | 11.2 L/100km | 11.2 L/100km |
| Fuel Tank Capacity | 62 L | 72 L |
