Mercury ยท 2003
2003 Mercury Grand Marquis
Official EPA fuel economy and NHTSA recall record, best combined figure 18 MPG.
The Mercury Grand Marquis is an automobile that was produced by Mercury from the 1975 until 2011 model years. Introduced as the flagship sub-model of the Mercury Marquis in 1975, the Grand Marquis became a stand-alone model line in 1983, serving as the largest Mercury sedan.
Fuel economy (EPA)
| Engine | Transmission | Fuel | City | Highway | Combined | CO2 g/mi |
|---|---|---|---|---|---|---|
| 4.6L 8-cyl | Automatic 4-spd | Regular | 16 | 23 | 18 | 494 |
Safety recalls (NHTSA)
2 campaigns on record for this model year. Recall repairs are free at dealers; check your exact vehicle by VIN on nhtsa.gov/recalls.
Ford Motor Company (Ford) is recalling certain model year 2003-2005 Ford Crown Victoria and Mercury Grand Marquis vehicles manufactured October 3, 2001, to August 2, 2005. The affected vehicles have a lighting control module (LCM) that may fail, resulting in a loss of headlights.
CERTAIN AFTERMARKET FUEL FILTERS SOLD UNDER THE PUROLATOR BRAND NAME, P/N F65277, SHIPPED FROM JANUARY 16 THROUGH JUNE 2, 2006, FOR USE ON THE ABOVE LISTED PASSENGER VEHICLES. DUE TO INCORRECT DESIGN, THE QUICK CONNECTORS MAY NOT FULLY SEAT WITH THE TUBE INTERFACE, EVEN THOUGH THE PERSON MAKING THE CONNECTION MAY BELIEVE THAT THE QUICK CONNECTOR IS FULLY ATTACHED.
Owner complaints (NHTSA)
449 complaints filed by owners for this model year (32 involving a crash, 2 a fire). Complaints are owner reports, not confirmed defects - browse them in full on nhtsa.gov.
Frequently Asked Questions
What is the fuel economy of a 2003 Mercury Grand Marquis?
EPA figures for the 2003 Mercury Grand Marquis reach 18 MPG combined depending on configuration; the table on this page lists every tested engine and transmission combination.
Are there recalls on the 2003 Mercury Grand Marquis?
NHTSA lists 2 safety recall campaigns for the 2003 Mercury Grand Marquis. Check your specific vehicle by VIN on the official NHTSA site, recalls are fixed free of charge by dealers.
What are common problems with the 2003 Mercury Grand Marquis?
Owners have filed 449 complaints with NHTSA for the 2003 Mercury Grand Marquis, most often about: Exterior Lighting, Electrical System, Suspension. Complaint counts reflect what owners report, not confirmed defects.
Sources: EPA fueleconomy.gov, the NHTSA recalls, complaints and 5-Star Safety Ratings databases (all US public data), refreshed monthly. Recall texts are quoted from the official record. Details on About & Data Sources.