The Lemon Index

All cars · GMC Sierra · 2003

2003 GMC Sierra. Advanced data.

The raw numbers: engines, recall campaign numbers, failure mileage and manufacturer communications.

Lemon Index89100 = average car
Complaints145NHTSA, first 3 years
Sold196,689U.S. model year
Per 100K sold74complaints
Year rank#16 of 23#1 = fewest complaints

Engines and drivetrains 11

EngineTransmissionDriveCity / hwy / combinedFuelFuel cost/yr
4.3L 6-cylAuto 4-spdRWD14 / 19 / 16Regular$3,900
4.3L 6-cylManual 5-spdRWD14 / 19 / 16Regular$3,900
4.3L 6-cylAuto 4-spd4Wheel or AWD13 / 17 / 15Regular$4,150
4.3L 6-cylManual 5-spd4Wheel or AWD13 / 17 / 14Regular$4,450
4.8L 8-cylManual 5-spdRWD14 / 19 / 16Regular$3,900
4.8L 8-cylAuto 4-spdRWD14 / 18 / 15Regular$4,150
4.8L 8-cylAuto 4-spd4Wheel or AWD13 / 16 / 14Regular$4,450
4.8L 8-cylManual 5-spd4Wheel or AWD13 / 16 / 14Regular$4,450
5.3L 8-cylAuto 4-spdRWD13 / 17 / 15Regular$4,150
5.3L 8-cylAuto 4-spd4Wheel or AWD13 / 16 / 14Regular$4,450
6.0L 8-cylAuto 4-spd4Wheel or AWD11 / 15 / 13Regular$4,800

EPA test versions for this model year. Fuel cost is the EPA's current estimate, not the price in that year.

Failure mileage by system

Half of owners who gave a mileage reported the problem between 41,800 and 104,000 miles. Median 71,000, from 483 complaints with a mileage.

SystemMedianMiddle halfComplaints
Brakes57,00036,000–78,700119
Brakes99,00074,100–120,000130
Electrical75,00050,500–104,60099
Steering29,10015,400–67,50040
Transmission & drivetrain20,0002,900–75,50037

Mileage owners typed into their NHTSA complaint, all complaints for this model year. People report some problems late, so read it as a range.

Complaints by system

SystemShare of complaints
Transmission & drivetrain23%
Steering21%
Brakes16%
Electrical14%
Engine8%

One complaint can name more than one system, so shares can add to more than 100%.

Severity, all complaints

TotalCrashesFiresInjuriesDeathsTows
56929101521

As reported by owners to NHTSA. Not verified.

Recall campaigns 13

  • 09E025000 May 2009 Exterior Lighting / Headlights

    Defect. DOPE, INC. IS RECALLING 42,540 COMBINATION CORNER AND BUMPER LAMP ASSEMBLIES OF VARIOUS PART NUMBERS SOLD FOR USE AS AFTERMARKET EQUIPMENT FOR VARIOUS PASSENGER VEHICLES. THESE HEADLAMPS FAIL TO CONFORM TO THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 108, "LAMPS, REFLECTIVE DEVICES, AND ASSOCIATED EQUIPMENT." THESE LAMPS DO NOT CONTAIN THE REQUIRED AMBER SIDE REFLECTORS.

    Risk. DECREASED LIGHTING VISIBILITY MAY RESULT IN A VEHICLE CRASH.

    Remedy. DOPE, INC. WILL NOTIFY OWNERS AND OFFER A FULL REFUND FOR THE NONCOMPLIANT COMBINATION LAMPS. THE SAFETY RECALL BEGAN ON JULY 28, 2009. OWNERS MAY CONTACT DOPE, INC. AT 1-626-272-1798.

  • 07E106000 Dec 2007 Wheels / Hub

    Defect. CERTAIN FEDERAL-MOGUL REPLACEMENT WHEEL HUB ASSEMBLIES WITH THE BRAND NAMES: NATIONAL, CARQUEST P/NOS. 515020, 515021, 515025, 515053, 515054, 515059, AND 515060, SHIPPED BETWEEN JANUARY 23, 2006, AND DECEMBER 20, 2007, SOLD FOR LIGHT DUTY AND MEDIUM DUTY TRUCKS. THE INBOARD RETENTION NUT USED TO MAINTAIN HUB BEARING ASSEMBLY CAN LOOSEN RESULTING IN AN ABS LIGHT INDICATION, NOISE, AND/OR WHEEL SEPARATION.

    Risk. WHEEL SEPARATION CAN RESULT IN A VEHICLE CRASH.

    Remedy. FEDERAL-MOGUL WILL NOTIFY CUSTOMERS AND WILL REPLACE THE HUB ASSEMBLY FREE OF CHARGE. THE RECALL BEGAN ON FEBRUARY 7, 2008. OWNERS CAN CONTACT FEDERAL-MOGUL TOLL-FREE AT 877-489-6659.

  • 07E066000 Aug 2007 Equipment / Electrical

    Defect. CERTAIN CEQUENT 90 DEGREE 7-WAY RIGHT ANGLE ADAPTORS SOLD BY DISTRIBUTORS IN TOW PACKAGES FOR AFTERMARKET SALES TO TOW 5TH WHEEL RV TRAVEL TRAILERS. DUE TO INCORRECT WIRING OF THE HARNESS, THE TRAILER LIGHTS MAY NOT OPERATE PROPERLY.

    Risk. IF THE TRAILER LIGHTS ARE NOT WORKING PROPERLY, A VEHICLE CRASH CAN OCCUR.

    Remedy. ALL OF THE DEFECTIVE TOW PACKAGES ARE STILL AT THE DISTRIBUTOR LEVEL AND HAVE NOT BEEN SOLD TO ANY CONSUMERS.

  • 06E050000 Jun 2006 Service Brakes, Air

    Defect. CERTAIN FEDERAL-MOGUL NATIONAL AND CARQUEST AFTERMARKET HUB ASSEMBLIES, P/N 515058, SOLD FOR USE ON 2001-2006 GENERAL MOTORS 1500 AND 2500 4WD TRUCKS. ON THE SUBJECT HUB ASSEMBLIES, THE ABS SENSOR CORD DEPARTS FROM THE HUB ASSEMBLY AT A 90 DEGREE ANGLE. AS A RESULT, THERE IS A FIT ISSUE WITH THE BRAKE ROTOR DUST SHIELD INTERFERING WITH THE ABS SENSOR CORD. IF THE HUB ASSEMBLY IS INSTALLED DESPITE THIS INTERFERENCE, THE GAP BETWEEN THE ABS SENSOR AND THE TONE WHEEL MAY BE ALTERED. THIS MAY WEAKEN THE OUTPUT OF THE ABS SENSOR. DIMINISHED OUTPUT COULD RESULT IN AN UNWANTED ABS ACTIVATION AT

    Risk. IF STOPPING DISTANCE IS LIMITED, A VEHICLE CRASH COULD OCCUR.

    Remedy. FEDERAL-MOGUL WILL NOTIFY ITS OWNERS AND WILL EITHER CREDIT THE CUSTOMERS ACCOUNT OR REPLACE THE UNIT. THE RECALL IS EXPECTED TO BEGIN DURING JUNE 2006. OWNERS CAN CONTACT FEDERAL-MOGUL CUSTOMER SERVICE AT 1-800-563-8507 EXT 3530.

  • 06E043000 May 2006 Fuel System, Gasoline

    Defect. CERTAIN REPLACEMENT FUEL FILTERS, FRAM BRAND NAME P/N G3727, WITH DATE CODES X52911 THROUGH X60801 SEQUENTIALLY OR X600141 AND A MEXICO COUNTRY OR ORIGIN MARKING ON THE FUEL FILTER HOUSING MANUFACTURED FROM OCTOBER 18, 2005, THROUGH MARCH 21, 2006, SOLD FOR USE ON THE VEHICLES LISTED ABOVE AND ON CERTAIN SCHOOL BUSES. (TO SEE THE SCHOOL BUS ENGINE SIZES, CLICK ON "DOCUMENT SEARCH" AND THEN "BUS APPLICATIONS"). THE CONNECTOR ON THE FUEL FILTER WAS NOT MANUFACTURED TO HONEYWELL'S SPECIFICATION. AS A RESULT, THE O-RING MAY NOT SEAT CORRECTLY ON THE FUEL LINE.

    Risk. THIS CONDITION MAY CAUSE AN INADEQUATE SEAL AT THE CONNECTION, POTENTIALLY LEADING TO A FUEL LEAK. IN THE PRESENCE OF AN IGNITION SOURCE, A FIRE COULD OCCUR.

    Remedy. HONEYWELL WILL NOTIFY OWNERS AND REPLACE THE FUEL FILTERS FREE OF CHARGE. THE RECALL BEGAN ON OCTOBER 18, 2006. OWNERS MAY CONTACT FRAM CUSTOMER SERVICE AT 1-800-890-2075 (OPTION 1).

  • 05V163000 Apr 2005 Seat Belts / Rear/Other

    Defect. ON CERTAIN CREW CAB PICKUP TRUCKS AND SPORT UTILITY VEHICLES, THE 2ND ROW CENTER OCCUPANT SEAT BELT ROUTING MAY MAKE IT DIFFICULT TO POSITION THE LAP PORTION OF THE SAFETY BELT LOW AROUND THE HIPS OF OCCUPANTS, ESPECIALLY SMALLER OCCUPANTS, SEATED IN THIS POSITION. APPROPRIATE USE OF A CHILD SEAT OR BOOSTER SEAT, AS RECOMMENDED FOR SMALL CHILDREN, DOES IMPROVE THE FIT CONDITION FOR THIS USER GROUP. IN ADDITION TO INSTRUCTIONS ON PROPER INFANT AND YOUNG CHILD RESTRAINT (WITH CHILD SEATS OR BOOSTERS), SPECIAL VERBIAGE FOR RESTRAINING OLDER CHILD IS INCLUDED IN THE OWNER'S MANUAL. ALSO, THE S

    Risk. A LAP PORTION OF THE SEAT BELT ROUTING THAT IS NOT LOW AND SNUG ON THE HIPS CAN ALLOW THE LAP BELT TO RIDE UP ON AN OCCUPANT'S ABDOMEN INSTEAD OF FITTING LOW AROUND THEIR HIPBONES, AND THEREFORE, CAN EXPOSE THEM TO MORE RISK OF ABDOMINAL AND INTERNAL ORGAN INJURY.

    Remedy. DEALERS WILL CUT OPEN THE GUIDE LOOP, REMOVE A PORTION OF THE LOOP, AND THEN THE REMAINING TWO SIDES SHOULD BE FOLDED OVER AND SECURED WITH A RETAINER FREE OF CHARGE. THE RECALL BEGAN ON JULY 21, 2005. OWNERS MAY CONTACT CADILLAC AT 1-866-982-2339, CHEVROLET AT 1-800-630-2438, GMC AT 1-866-996-9463, OR HUMMER AT 1-800-732-5493.

  • 05V161000 Apr 2005 Parking Brake

    Defect. ON CERTAIN PICKUP TRUCKS EQUIPPED WITH MANUAL TRANSMISSIONS AND BUILT WITH EITHER PBR PARKING BRAKE SYSTEMS OR TRW PARKING BRAKE SYSTEMS, THE PARKING BRAKE FRICTION LININGS MAY WEAR TO AN EXTENT WHERE THE PARKING BRAKE CAN BECOME INEFFECTIVE IN IMMOBILIZING A PARKED VEHICLE.

    Risk. IF THE PARKING BRAKE DOES NOT HOLD, UNINTENDED VEHICLE MOVEMENT COULD OCCUR, WHICH COULD RESULT IN A CRASH.

    Remedy. DEALERS WILL INSTALL A LOW-FORCE SPRING CLIP RETAINER FOR VEHICLES EQUIPPED WITH A PBR PARKING BRAKE SYSTEM. ON VEHICLES EQUIPPED WITH THE TRW PARKING BRAKE SYSTEM, DEALERS WILL INSTALL A REDESIGNED PARKING BRAKE CABLE ASSEMBLY. THE RECALL BEGAN ON JULY 29, 2005. OWNERS MAY CONTACT CHEVROLET AT 1-800-630-2438 OR GMC AT 1-866-996-9463.

  • 04V562000 Nov 2004 Equipment Adaptive/Mobility

    Defect. ON CERTAIN VANS EQUIPPED WITH SURE-LOK WHEELCHAIR SECUREMENT SYSTEMS, THE SPROCKET TEETH OF THE RETRACTOR ASSEMBLY IS OUT OF ALIGNMENT.

    Risk. IN THE EVENT OF A VEHICLE CRASH, THE WHEELCHAIR MAY NOT BE ADEQUATELY SECURED POSSIBLY RESULTING IN INJURIES TO A WHEELCHAIR OCCUPANT.

    Remedy. DEALERS WILL INSPECT AND REPLACE THE WHEELCHAIR SECUREMENT RETRACTORS AS NECESSARY. SURE-LOK WILL HANDLE THE REPAIRS FOR THIS CAMPAIGN. OWNERS SHOULD CONTACT SURE-LOCK AT 1-908-231-1804 OR MOBILITYWORKS AT 1-800-769-8267.

  • 04V225000 May 2004 Seat Belts / Front / Anchorage

    Defect. CERTAIN EXTENDED AND REGULAR CAB PICKUP TRUCKS AND CARGO VANS CONVERTED TO COMPRESSED NATURAL GAS (CNG) FAIL TO CONFORM TO THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 225, 'CHILD RESTRAINT ANCHORAGE SYSTEMS.' THESE VEHICLES HAVE ONE SEATING POSITION, THE CENTER REAR SEAT, EQUIPPED WITH CHILD RESTRAINT LOWER ANCHORAGES.

    Risk. THE STANDARD REQUIRES CHILD SEAT LOWER ANCHORAGES IN TWO SEATING POSITIONS FOR VEHICLES WITH THREE REAR SEATING POSITIONS. THE STANDARD CAB AND CARGO VAN VEHICLES, WHICH ONLY HAVE FRONT SEATING POSITIONS, HAVE AN AIR BAG OFF SWITCH TO DISABLE THE FRONT PASSENGER AIR BAG AND DO NOT HAVE CHILD RESTRAINT LOWER ANCHORAGES IN THE PASSENGER SEAT. THE STANDARD REQUIRES PASSENGER SEAT CHILD SEAT LOWER A

    Remedy. TO BRING THE STANDARD CAB AND CARGO VAN VEHICLES INTO COMPLIANCE, DEALERS WILL INJECT EPOXY INTO THE AIR BAG OFF SWITCH TO PREVENT AIR BAG ACTIVATION, RELOCATE THE SWITCH BEHIND THE INSTRUMENT PANEL AND THEN INSTALL A COVER OVER THE RESULTING OPENING. THE SUN VISOR LABEL AND OWNER'S MANUAL WILL ALSO BE CHANGED. THE CORRECTION FOR THE EXTENDED CAB VEHICLE WILL CONSIST OF CHANGING THE FRONT PASSEN

  • 04E022000 Mar 2004 Equipment

    Defect. AFTERMARKET PICKUP TRUCK OVER-THE-RAIL BEDLINERS MANUFACTURED FOR INSTALLATION ON 1999-2004 CHEVROLET SILVERADO AND GMC SIERRA PICKUP TRUCKS. THE TOGGLE WING ASSEMBLY USED TO ATTACH THE BEDLINER TO THE TRUCK BED IS NOT ENGAGING FULLY IN THE STAKE POCKET OF THE PICKUP TRUCK.

    Risk. THE BEDLINER CAN BECOME DETACHED FROM THE PICKUP WHILE IT IS MOTION, POSSIBLY ENDANGERING FOLLOWING MOTORISTS OR PEDESTRIANS.

    Remedy. DURAKON WILL ISSUE A PRESS RELEASE IN ATTEMPT TO NOTIFY CUSTOMERS THAT COULD HAVE PURCHASED THE DEFECTIVE BEDLINER. IF YOU PURCHASED EITHER A DURAKON ALLSTAR OF PATRIOT OVERRAIL BEDLINER SINCE AUGUST 1, 2003, FOR 1999 TO 2004 CHEVROLET SILVERADO OR GMC SIERRA TRUCKS, OR PURCHASED ONE OF THESE PICKUP TRUCKS WITH EITHER BRAND BEDLINER ALREADY INSTALLED, YOU SHOULD RETURN TO AN AUTHORIZED DURAKO

  • 04V129000 Mar 2004 Structure / Body / Tailgate / Hinge And Attachments

    Defect. ON CERTAIN PICKUP TRUCKS AND SPORT UTILITY VEHICLES, THE GALVANIZED STEEL TAILGATE SUPPORT CABLES THAT RETAIN THE TAILGATE IN THE FULL OPEN (HORIZONTAL) POSITION MAY CORRODE, WEAKEN, AND EVENTUALLY FRACTURE. IF BOTH CABLES FRACTURED, THE TAILGATE WOULD SUDDENLY DROP AND STRIKE THE TOP SURFACE OF THE REAR BUMPER.

    Risk. ANYONE SITTING OR STANDING ON THE HORIZONTAL SURFACE OF THE TAILGATE WHEN BOTH CABLES FRACTURED COULD BE INJURED BY FALLING FROM THE TAILGATE. ON VEHICLES THAT HAVE HAD THE BUMPER REMOVED, THE TAILGATE MAY DROP EVEN LOWER. ADDITIONALLY, IF THERE IS CARGO ON THE TAILGATE THE CARGO MAY FALL OFF IF THE SUPPORT CABLES FRACTURE.

    Remedy. DEALERS WILL REPLACE THE CABLES. INTERIM OWNER NOTIFICATION BEGAN ON APRIL 7, 20004. THE RECALL BEGAN ON SEPTEMBER 24, 2004, WHEN REPLACEMENT PARTS WERE AVAILABLE, AND WILL CONTINUE THROUGH OCTOBER 29, 2004. OWNERS SHOULD CONTACT CADILLAC AT 1-866-982-2339, CHEVROLET AT 1-800-630-2438 OR GMC AT 1-866-996-9463, OR VISIT WWW.MYGMLINK.COM, AND ENTER YOUR VEHICLE IDENTIFICATION NUMBER.

  • 04V045000 Feb 2004 Service Brakes, Hydraulic

    Defect. CERTAIN SPORT UTILITY VEHICLES, PICKUP TRUCKS, AND PASSENGER VANS FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 135, ?PASSENGER CAR BRAKE SYSTEMS.? SOME OF THESE VEHICLES WERE PRODUCED WITH AN OUT-OF-SPECIFICATION BRAKE HYDRO-BOOST HOUSING RELIEF VALVE BORE.

    Risk. CONSEQUENTLY, THE VALVE O-RING SEAL MAY FRACTURE. STEERING EFFORTS MAY BE SLIGHTLY INCREASED WHILE BRAKING OR PARKING. UNDER CERTAIN DRIVING CONDITIONS, A FRACTURED SEAL MAY REQUIRE A SLIGHT INCREASE IN THE APPLIED BRAKE PEDAL EFFORT TO ACHIEVE THE SAME VEHICLE DECELERATION RATE AS PRIOR TO THE SEAT FRACTURE.

    Remedy. DEALERS ARE TO REPLACE THE HYDRO-BOOST RELIEF VALVE. THE RECALL BEGAN ON JUNE 18, 2004. OWNERS SHOULD CONTACT CADILLAC AT 1-866-982-2339; CHEVROLET AT 1-800-630-2438; GMC AT 1-866-996-9463; OR HUMMER AT 1-866-486-6376.

  • 03V018000 Jan 2003 Visibility / Windshield

    Defect. CERTAIN PICKUP TRUCKS FAIL TO CONFORM TO FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 212, "WINDSHIELD MOUNTING." SOME OF THESE VEHICLES LACK A CONTINUOUS URETHANE BONDING BEAD BETWEEN THE BODY SURFACE AND THE WINDSHIELD.

    Risk. IN VEHICLES WITH THIS CONDITION, THE WINDSHIELD MAY NOT BE RETAINED IN ACCORDANCE WITH THE SAFETY STANDARD DURING A VEHICLE CRASH.

    Remedy. DEALERS WILL REMOVE, RESEAL, AND REINSTALL THE WINDSHIELD. OWNER NOTIFICATION BEGAN ON JANUARY 28, 2003. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT CHEVROLET AT 1-800-222-1020 OR GMC AT 1-800-462-8782.

NHTSA investigations

StatusSubjectOpenedClosed
ClosedBrake line corrosion failure20102011
ClosedParking brake failure20052006
ClosedTailgate cable breakage20042004
ClosedParking brake failure20042005
ClosedParking brake failure20032004

Manufacturer communications 803

GMC filed 803 service communications for this car with NHTSA.

  • Some customers may comment that the transmission slips, a shudder, chuggle, or vibration is felt
  • Clunking noise under hood and can be felt in the steering wheel
  • Whine noise from front axle

Safety equipment

Electronic stabilityForward collision warningLane departure warning
NoNoNo

Nearby model years

YearLemon IndexComplaintsSoldTop system
2000100209188,907Brakes
200163141210,154Brakes
200292192202,045Brakes
200389145196,689Transmission & drivetrain
2004114207213,756Electrical
200566105229,488Electrical
20064973210,736Transmission & drivetrain

Sources: NHTSA complaints, recalls, investigations and manufacturer communications; EPA fuel economy data; YouTube video titles. Complaints are owner reports, not proof of a defect.

Updated

Free to use with credit: Source: The Lemon Index (lemonindex.com). Get the data