Model year guide

2004 Infiniti M45

Recalls, most-reported problems, crash-test ratings, fuel economy and what a 2004 Infiniti M45 is worth — from official NHTSA and EPA data. 3 on record.

2004 Infiniti M45 — representative photo
Representative photo · via Wikimedia Commons

2004 Infiniti M45 at a glance

Safety recalls2
Owner complaints43
Combined18 mpg

Free: that car's specs and build sheet, model-year recall campaigns and a fair price.

2004 Infiniti M45 recalls 2

Fuel System, Gasoline NHTSA Campaign #12V088000 · 06/03/2012

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.

Fix: NISSAN WILL NOTIFY OWNERS, AND DEALERS WILL MODIFY THE CIRCUIT BOARD FREE OF CHARGE. THE SAFETY RECALL BEGAN ON APRIL 27, 2012. OWNERS MAY CONTACT NISSAN CUSTOMER SERVICE AT 1-800-647-7261.

Exterior Lighting:brake Lights:switch NHTSA Campaign #04V497000 · 13/10/2004

ON CERTAIN PASSENGER VEHICLES, THE BRAKE LAMP SWITCH MAY MALFUNCTION.

Fix: DEALERS WILL REPLACE THE BRAKE LAMP SWITCH. THE RECALL BEGAN ON OCTOBER 25, 2004. OWNERS SHOULD CONTACT INFINITI AT 1-800-662-6200.

Source: U.S. NHTSA. A campaign covers the model year; to see whether a particular car still needs the repair, check its VIN on NHTSA.gov or ask a franchised dealer.

2004 Infiniti M45 common problems

Owners have filed 43 complaints with NHTSA. These are the most-reported areas in a sample of the most recent — and what to check before you buy.

Engine
Listen for knocks or ticking, check for leaks and blue/white exhaust smoke, and make sure it doesn't overheat. No check-engine light should be on.
Fuel System
Sniff for fuel odor, check for leaks, hard starts or stalling, and confirm the fuel gauge reads correctly.
Gasoline
Have a trusted mechanic inspect this system as part of a pre-purchase inspection.
Seats
Have a trusted mechanic inspect this system as part of a pre-purchase inspection.
Electrical System
Test every electrical feature: windows, locks, infotainment, charging and all lights. Watch for flickering, dead accessories or warning lights.
Exterior Lighting
Confirm all headlights, brake lights, turn signals and reverse lights work, with no moisture inside the housings.

2004 Infiniti M45 MPG & running costs

Combined18 mpg
City16 mpg
Highway22 mpg
Est. annual fuel cost$4,550
EPA size classCompact Cars
TransmissionAutomatic (S5)
Passenger volume91 cu ft
Cargo volume13 cu ft
5-yr fuel cost vs average new car$10,750 more

Source: U.S. EPA / DOE fueleconomy.gov.

Estimated 5-year cost to own

A rough guide to what running a 2004 Infiniti M45 costs over five years and 75,000 miles.

Fuel (5 yrs)$22,750
Fuel only$22,750
Per mile$0.30

How this is estimated: fuel is the U.S. EPA annual cost at 15,000 miles a year. There aren't enough comparable listings to estimate depreciation for this model, so it is left out. Not included: insurance, maintenance, repairs, taxes, registration and finance costs. Treat it as a comparison guide, not a quote.

2004 Infiniti M45 trims & engines on record

Trims
Base
Engines
4.5L 8-cyl

2004 Infiniti M45 vehicles on record

Other Infiniti M45 model years

2004 Infiniti M45 — frequently asked questions

Does the 2004 Infiniti M45 have any safety recalls?

NHTSA lists 2 recall campaigns for the 2004 Infiniti M45. Whether an individual car still needs a recall repair depends on its VIN — check it on NHTSA.gov or ask a franchised dealer. Recall repairs are free.

What are the most common problems with the 2004 Infiniti M45?

Owners have filed 43 complaints with NHTSA; in a sample of the most recent, the most-reported problem areas are engine, fuel system, gasoline.

What gas mileage does the 2004 Infiniti M45 get?

The 2004 Infiniti M45 has a U.S. EPA estimate of 18 mpg combined (16 city / 22 highway).

Sources: NHTSA (recalls, complaints, crash tests), U.S. EPA (fuel economy). Vehicle data only — CarLogs never shows owner information.