Research · Compact Cars

2004 Hyundai ElantraRecalls, problems, MPG & safety

NHTSA lists 5 safety recalls and 182 owner complaints for the 2004 Hyundai Elantra. Most complaints involve air bags (114) and seat belts (12). The EPA rates it 24–26 mpg combined.

Combined MPG
24–26mpg
EPA · 3 versions
NHTSA overall
—
Not rated by NCAP
Safety recalls
5campaigns
Latest Oct 2005
Owner complaints
182
Top: air bags
Fuel cost / yr
$2,450est.
EPA estimate, best version
01 —Recalls

Safety recalls

5 NHTSA campaigns · applies to some vehicles, check your VIN

Air bags

Free remedy

CERTAIN VEHICLES EQUIPPED WITH AN ADVANCED AIR BAG SYSTEM. THE OCCUPANT CLASSIFICATION SYSTEM (OCS) INSTALLED IN THE RIGHT FRONT SEAT OF THE VEHICLE MAY MISCLASSIFY A CHILD RESTRAINT SEAT (CRS) AS AN ADULT. THIS MAY OCCUR IF THE CRS IS INSTALLED AFTER AN ADULT HAS BEEN SEATED IN THE RIGHT FRONT SEAT. IF THERE HAS NOT BEEN A 'KEY ON' ' KEY OFF' CYCLE WITH THE RIGHT FRONT PASSENGER SEAT EMPTY PRIOR TO INSTALLATION OF THE CRS.

Air bagsReported Oct 17, 2005NHTSA 05V479000

Air bags

Free remedy

CERTAIN VEHICLES EQUIPPED WITH AN ADVANCED AIR BAG SYSTEM. THE OCCUPANT CLASSIFICATION SYSTEM (OCS) INSTALLED IN THE RIGHT FRONT SEAT OF THE VEHICLE MAY MISCLASSIFY A CHILD RESTRAINT SEAT (CRS) AS AN ADULT. THIS MAY OCCUR IF THE CRS IS INSTALLED AFTER AN ADULT HAS BEEN SEATED IN THE RIGHT FRONT SEAT. IF THERE HAS NOT BEEN A 'KEY ON' ' KEY OFF' CYCLE WITH THE RIGHT FRONT PASSENGER SEAT EMPTY PRIOR TO INSTALLATION OF THE CRS.

Air bagsReported Sep 12, 2005NHTSA 05V395000

Fuel system

Free remedy

DURING AN INSURANCE INSTITUTE FOR HIGHWAY SAFETY (IIHS) OFFSET FRONTAL BARRIER IMPACT TEST, IT WAS DETERMINED THAT FUEL TAN DAMAGE COULD OCCUR. ON CERTAIN PASSENGER VEHICLES, A VAPOR TUBE HOSE CLAMP THAT IS LOCATED NEAR THE FUEL TANK MAY NOT BE POSITIONED PROPERLY AND COULD CAUSE FUEL LEAKAGE.

Fuel system, gasolineReported Jul 30, 2004NHTSA 04V370000
Data from NHTSA Recalls API · synced Oct 27, 2026 · All recall detailsNHTSA vehicle page
02 —Complaints

Owner complaints by component

182 complaints filed with NHTSA · Feb 2004 – Feb 2024
  1. Air bags114
  2. Seat belts12
  3. Engine and engine cooling11
  4. Suspension7
  5. Vehicle speed control7
  6. Power train7
  7. Service brakes, hydraulic6
  8. Electrical system6
  9. Engine5

Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.

By model year

Complaints for each Elantra model year we’ve synced.

View as table
Model yearNHTSA complaints
1996101
1997118
199856
1999133
2000200
2001329
2002348
2003234
2004182
2005137
2006155
2007267
2008316
2009287
2010455
2011461
2012676
20131,330
2014387
2015262
2016293
2017770
2018284
2019252
2020254
2021132
2022102
2023101
202456
202522
20263
Crashes reported
24
Fires reported
2
Injuries reported
26
Deaths reported
0
Data from NHTSA Complaints API · synced Oct 27, 2026 · Full problem breakdownNHTSA vehicle page
03 —Common problems

What owners report most

Verbatim excerpts from NHTSA complaints, by component

Air bags

114 reports22 crashes
“VEHICLE 2004 HYUNDAI INVOLVED IN ACCIDENT ON THE STREET, THIS VEHICLE OWNER WAS BELTED WHEN THE ACCIDENT OCCURRED, THE AIRBAGS DEPLOYED, THIS VEHICLE OWNER SUSTAINED SEVERE INJURIES INCLUDING FRACTURED VERTEBRATE OF LUMBAR 1 AND 2 AND FRACTURED RIBS, NOTE NO OTHER VEHICLE WAS INVOLVED, THIS VEHICLE OWNER SIDE SWIPED A TREE AND SUSTAINED MINIMAL DAMAGE TO THE FRONT END, THIS VEHICLE OWNER WAS TREATED AT THE SCENE, TRANSPORTED TO THE EMERGENCY ROOM WAS HOSPITALIZED FOR 7 DAYS; CURRENTLY, RECEIVING OUT PATIENT CARE WITH SCHEDULED MEDICAL APPOINTMENTS, THIS VEHICLE OWNER IS NOT CLEARED TO RETURN TO WORK AT THIS TIME, AND FOR AT LEAST 9 WEEKS. THE FAULTY AIRBAGS FAILED TO KEEP THIS DRIVER SAFE, AND SEVERELY INJURED HIM. HE SUFFERED 2 BROKEN BACK BONES, A BROKEN RIB, SCRAPES AND BRUISES. ON TOP OF THE PHYSICAL TRAUMA, HE AND HIS FAMILY, WIFE AND TWO DAUGHTERS, ARE SUFFERING FROM EMOTIONAL TRAUMA. THE ACCIDENT IN ITSELF, SHOULD NOT HAVE CAUSED THIS PHYSICAL TRAUMA, THE CAR DID NOT FLIP, TURN OVER, OR IMPACT ANY OTHER VEHICLES. THE DRIVER WAS NOT ON A HIGHWAY, BUT A COMMON STREET, SO HE WAS NOT TRAVELING OVER 40 MPH. THE INJURIES SUSTAINED ARE A DIRECT RESULT OF THE…”
Owner complaint to NHTSAFiled Jun 14, 2019Air bagsCrash reportedODI 11220188

Seat belts

12 reports2 crashes
“I HAVE CONTACTED CUSTOMER CARE AND WAS TOLD IT'S STANDARD TO REMOVE A FRONT SEAT AND GIVE THE CAR BACK UNTIL THEY GET PARTS FOR THE RECALL I FEEL THIS COULD CAUSE AIR BAG SYSTEMS NOT TO BE ACTIVE AND ALSO WITHOUT THE SEAT THE CARS ABILITY TO HOLD UP IN A CRASH IS REDUCED DUE TO MISSING COMPONENTS THAT PROVIDE SOME STRUCTURAL SUPPORT ALL I HAVE REQUESTED WAS A RENTAL CAR FOR THE TIME IT TAKES TO PERFORM MY RECALL AS I DO NOT FEEL SAFE DRIVING A CAR WITHOUT A FRONT SEAT I HAVE HAD THE DEALER DECLINE MY REQUEST AND SAID IF I WANT IT DONE THE SEAT WILL BE REMOVED AND THE CAR GIVEN BACK TO ME IS THIS A SAFE PRACTICE FOR A DEALER TO REMOVE A SEAT THAT HAS ONE OF THE SIDE AIR BAGS IN IT AND ADVISE THE OWNER TO DRIVE THE CAR AS NORMAL? ANY ASSISTANCE WITH THIS COMPANY WILL BE MUCH APPRECIATED AND TO BE CLEAR THERE IS A ACTIVE AIR BAG LIGHT ON WITH A CODE THE RELATES TO OCCUPANCY DETECTION FOR PASSANGER FRONT AND SIDE AIR BAGS”
Owner complaint to NHTSAFiled Jun 25, 2018Air bags, Seat belts, SeatsODI 11103705

Engine and engine cooling

11 reports1 crash1 fire
“TL* THE CONTACT OWNS A 2004 HYUNDAI ELANTRA. THE CONTACT STATED THAT SMOKE EMITTED FROM THE ENGINE WHILE DRIVING 30 MPH. THE VEHICLE WAS MANEUVERED TO THE SHOULDER AND THE CONTACT NOTICED THAT OIL WAS LEAKING FROM THE ENGINE. THE VEHICLE WAS TOWED TO AN INDEPENDENT MECHANIC AND THE CONTACT WAS INFORMED THAT A CRANK SHAFT SEAL NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED, BUT THE FAILURE RECURRED AFTER DRIVING APPROXIMATELY 100 MILES. THE VEHICLE WAS TOWED BACK TO THE MECHANIC AND THE CONTACT WAS INFORMED THAT A HEAD GASKET WAS BLOWN. THE VEHICLE WAS THEN TOWED TO AN AUTHORIZED DEALER AND THE CONTACT WAS INFORMED THAT THE ENGINE NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE AND OFFERED NO ASSISTANCE. THE FAILURE MILEAGE WAS 86,000. THE VIN WAS UNAVAILABLE.”
Owner complaint to NHTSAFiled Nov 25, 2011Engine and engine coolingFire reportedODI 10437243
Data from NHTSA Complaints API (owner reports, unverified) · synced Oct 27, 2026
04 —Key specs

Engines, transmissions & drive

3 versions rated by the EPA
EPA class
Compact Cars, Midsize Cars
Engines
2.0L 4-cyl
Transmissions
Manual 5-spd · Automatic 4-spd
Drive
Front-Wheel Drive
Fuel
Regular Gasoline

Towing, payload and dimensions aren’t in the EPA or NHTSA data, so we don’t list them.

Data from EPA fueleconomy.gov · synced Oct 27, 2026EPA listing
05 —Fuel economy

EPA fuel economy by version

City / highway / combined, annual fuel cost and CO₂
EPA
VersionCityHwyComb.Fuel / yrCO₂ g/mi
Elantra
Man 5-spd, 4 cyl, 2.0 L · Front-Wheel Drive
233126$2,450342
Elantra Hatchback
Man 5-spd, 4 cyl, 2.0 L · Front-Wheel Drive
243126$2,450342
Elantra
Auto 4-spd, 4 cyl, 2.0 L · Front-Wheel Drive
212924$2,700370
  • Elantra
    Man 5-spd, 4 cyl, 2.0 L
    23 city · 31 hwy · $2,450/yr
    26
    mpg comb.
  • Elantra Hatchback
    Man 5-spd, 4 cyl, 2.0 L
    24 city · 31 hwy · $2,450/yr
    26
    mpg comb.
  • Elantra
    Auto 4-spd, 4 cyl, 2.0 L
    21 city · 29 hwy · $2,700/yr
    24
    mpg comb.
Data from EPA fueleconomy.gov · synced Oct 27, 2026 · Fuel cost is EPA’s annual estimate (15,000 mi, 55% city)
06 —Safety

NHTSA 5-Star Safety Ratings

2 tested variants
NHTSA has not published 5-Star Safety Ratings for the 2004 Hyundai Elantra as of Oct 27, 2026.
Data from NHTSA NCAP Safety Ratings API · synced Oct 27, 2026Vehicle 1199Vehicle 1159
07 —Maintenance

Maintenance basics

General guidance, not the OEM schedule. Check your owner’s manual.
General guidance
ItemMilesTimeNote
Engine oil & filter5,000–10,000 mi6–12 monthsFollow the oil-life monitor if fitted
Tire rotation5,000–7,500 miEvery oil changeCheck pressure monthly
Engine air filter15,000–30,000 mi1–2 yearsSooner in dusty areas
Cabin air filter15,000–25,000 mi1–2 years
Brake fluid—2–3 yearsAbsorbs moisture over time
Coolant60,000–100,000 mi5–10 yearsLong-life coolants last longer
Spark plugs60,000–100,000 mi—Iridium/platinum plugs at the long end
12V battery—3–5 yearsHeat shortens battery life
  • Engine oil & filter5,000–10,000 mi
    6–12 months
  • Tire rotation5,000–7,500 mi
    Every oil change
  • Engine air filter15,000–30,000 mi
    1–2 years
  • Cabin air filter15,000–25,000 mi
    1–2 years
  • Brake fluid—
    2–3 years
  • Coolant60,000–100,000 mi
    5–10 years
  • Spark plugs60,000–100,000 mi
    —
  • 12V battery—
    3–5 years
Typical intervals for modern cars. Severe service (towing, short trips, extreme heat or cold) shortens them.
09 —FAQ

2004 Elantra questions

How many recalls does the 2004 Hyundai Elantra have?

5 safety recalls as of Oct 27, 2026, according to NHTSA. Recall repairs are free at a dealer. Check your VIN to see whether your car is included and whether the repair was done.

What are the most common 2004 Hyundai Elantra problems?

Owners filed 182 complaints with NHTSA. The most-cited components are air bags (114), seat belts (12), engine and engine cooling (11). Complaints are unverified owner reports and aren't adjusted for how many cars were sold.

What MPG does the 2004 Hyundai Elantra get?

The EPA rates the 2004 Hyundai Elantra at 24–26 mpg combined, depending on engine and drivetrain (3 versions rated).

Data from NHTSA & EPA · synced Oct 27, 2026