Car diagnostics for a 2003 GMC Sierra
Car diagnostics for the 2003 GMC Sierra: CarmaCars does not do this work itself. Request it and we arrange it with a trusted shop or connect you with one, and we can deliver a rental car to you while yours is in.
- Combined
- 14.7 to 18.1 L/100 km
- Body
- Standard Pickup Trucks

A rental while yours is in the shop
CarmaCars does not do this work; you keep driving while the shop has your car. We deliver a rental to you, by the day, at our usual rates.
The 2003 GMC Sierra for car diagnostics
- Body: standard pickup trucks (EPA size class).
2003 GMC Sierra: every figure
| Figure | Powertrain 1 | Powertrain 2 | Powertrain 3 | Powertrain 4 | Powertrain 5 | Powertrain 6 | Powertrain 7 | Powertrain 8 | Powertrain 9 | Powertrain 10 | Powertrain 11 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Displacement | 4.3 L | 4.3 L | 4.8 L | 4.3 L | 4.8 L | 5.3 L | 4.3 L | 4.8 L | 4.8 L | 5.3 L | 6.0 L |
| Cylinders | 6 | 6 | 8 | 6 | 8 | 8 | 6 | 8 | 8 | 8 | 8 |
| MPG city (US) | 14 | 14 | 14 | 13 | 14 | 13 | 13 | 13 | 13 | 13 | 11 |
| MPG highway (US) | 19 | 19 | 19 | 17 | 18 | 18 | 17 | 16 | 16 | 16 | 15 |
| MPG combined (US) | 16 | 16 | 16 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 13 |
| MPG combined (Imperial) (converted from the US figure) | 19 | 19 | 19 | 18 | 18 | 18 | 17 | 17 | 17 | 17 | 16 |
| Fuel cost a year (EPA) (EPA: 15,000 miles at its fuel prices) | US$4,200 | US$4,200 | US$4,200 | US$4,450 | US$4,450 | US$4,450 | US$4,800 | US$4,800 | US$4,800 | US$4,800 | US$5,150 |
| Fuel cost for 20,000 km (at $1.55 a litre) | $4,558 | $4,558 | $4,558 | $4,868 | $4,868 | $4,868 | $5,208 | $5,208 | $5,208 | $5,208 | $5,612 |
Sources: fuel use, MPG, CO2, electric range, battery, charge time, luggage volume and the annual fuel cost are the US EPA's (fueleconomy.gov). Imperial MPG, litres, inches and pounds are converted from those figures. Figures no free source publishes for this car (power, torque, acceleration, top speed, fuel tank, towing) are left out.
What to check when buying the 2003 GMC Sierra
- NHTSA lists 7 recall campaigns for this model year. Ask the seller for proof each one was fixed; a dealer can check it by the VIN.
- Owners filed 570 complaints with NHTSA, most often about service brakes (274), electrical system (115) and power train (56). Have those parts checked before you buy.
| Campaign | Date | Component | Summary |
|---|---|---|---|
| 05V161000 | 2005-04-22 | parking brake | 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. |
| 05V163000 | 2005-04-22 | seat belts:rear/other | 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,... |
| 04V562000 | 2004-11-26 | equipment adaptive/mobility | ON CERTAIN VANS EQUIPPED WITH SURE-LOK WHEELCHAIR SECUREMENT SYSTEMS, THE SPROCKET TEETH OF THE RETRACTOR ASSEMBLY IS OUT OF ALIGNMENT. |
| 04V225000 | 2004-05-11 | seat belts:front:anchorage | 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... |
| 04V129000 | 2004-03-17 | structure:body:tailgate:hinge and attachments | 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. |
| 04V045000 | 2004-02-04 | service brakes, hydraulic | 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. |
| 03V018000 | 2003-01-23 | visibility:windshield | 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. |
Source: NHTSA (US) recall campaigns and owner complaints for this model year.
Arranging the work for the Sierra
The 2003 GMC Sierra and a diagnostic check: CarmaCars arranges a trusted shop, and never does the work itself. A warning light is the car asking for a diagnostic scan; the code tells the shop where to look.
About your Sierra
The shop sets its own price and time after it sees the car. Your owner's manual lists the maintenance schedule for the Sierra. Mention the trim and engine in your request; parts differ between them. Its powertrain is the 4.3L 6-cylinder with rear-wheel drive.
The steps
You agree everything with the shop before work begins. We follow up until the shop has the car booked in. Send the car's details and what it needs; we take it from there.
Keep moving meanwhile
Rent by the day while the shop has your car. We bring the rental to you and collect it afterwards. We deliver across the Toronto area, or you collect the car from our location for free.
Small things that help
Wash the underside of the car in winter to clear road salt. Check the tire pressure once a month, when the tires are cold. Keep an emergency kit in the trunk in winter.
Before the shop starts
Ask how the shop takes payment before you pick the car up. Ask whether the quote includes both parts and labour. Ask whether the parts are new, rebuilt or used.
Over to you
Start with a short request; a person replies within one business day.
Request car diagnostics
Tell us when suits you. A person replies within one business day and arranges it with a trusted shop or recommends one; the shop sets its own price and time.
Rent a car while yours is in in Toronto
We have no car while yours is in on the site right now. Request one and we look for it for your dates, or take a similar car that is available now.
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Tell us your dates and we look for a car while yours is in for you. Nothing is booked or charged.