What is the fuel economy of a 2003 Infiniti M45?

EPA figures for the 2003 Infiniti M45 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 Infiniti M45?

NHTSA lists 2 safety recall campaigns for the 2003 Infiniti M45. 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 Infiniti M45?

Owners have filed 183 complaints with NHTSA for the 2003 Infiniti M45, most often about: Fuel System, Gasoline, Electrical System, Engine. Complaint counts reflect what owners report, not confirmed defects.

Infiniti · 2003

2003 Infiniti M45

Official EPA fuel economy and NHTSA recall record, best combined figure 18 MPG.

Fuel economy (EPA)

Engine	Transmission	Fuel	City	Highway	Combined	CO2 g/mi
4.5L 8-cyl	Automatic (S5)	Premium	16	22	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.

Campaign 12V088000

NISSAN IS RECALLING CERTAIN MODEL YEAR 2003-2004 INFINITI M45 VEHICLES MANUFACTURED FROM MARCH 7, 2002, THROUGH JUNE 3, 2004. DUE TO A CIRCUIT BOARD FAILURE, THE FUEL GAUGE MAY READ A FUEL LEVEL HIGHER THAN ACTUALLY EXISTS. AS A RESULT, THE VEHICLE MAY RUN OUT OF GAS WITHOUT NOTICE.

Campaign 03V455000

ON CERTAIN PASSENGER VEHICLES, THE CIRCUIT BOARD FOR THE CRANK POSITION SENSOR OR CAM POSITION SENSOR MAY HAVE AN IMPROPER SOLDER JOINT DUE TO SOLDER DEFORMATION CAUSED BY HEAT STRESS ACCELERATED BY THE EXISTENCE OF FLUX RESIDUE DURING THE SOLDERING PROCESS.

Owner complaints (NHTSA)

183 complaints filed by owners for this model year. Complaints are owner reports, not confirmed defects - browse them in full on nhtsa.gov.

Fuel System, Gasoline 67 Electrical System 24 Engine 23

Decode this car's VIN All Infiniti models

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.