Is the 2003 GMC Sierra 1500 a bad year?
180 owner complaints to NHTSA. Engine and transmission complaints are in line with other Sierra 1500 years.
Keep it
Engine and transmission complaints for the 2003 GMC Sierra 1500 are in line with other Sierra 1500 years. Brakes and electrical system stand out for this year: see below.
The verdict moves with mileage: the same car reads differently at 30,000 and at 150,000 miles.
What 2003 Sierra 1500 owners report, by mileage
Each system owners named in five or more complaints, with the mileage range where the middle half of those complaints were filed. Read at 77,000 miles.
| SYSTEM | COMPLAINTS | MIDDLE HALF FILED AT | TYPICAL US REPAIR BILLS |
|---|---|---|---|
| BrakesSTANDS OUT | 104 (58%) | 56k–104k miles · around this mileage | Brake pad replacement (one axle) $115–$390 · Brake pads and rotors replacement (one axle) $200–$1,084 |
| Electrical systemSTANDS OUT | 43 (24%) | 63k–83k miles · around this mileage | 12-volt battery replacement $100–$400 · Starter motor replacement $350–$1,200 |
| Steering | 15 (8%) | 20k–67k miles · mostly behind | — |
| Air bags | 7 (4%) | too few with a mileage | — |
| Fuel system | 7 (4%) | too few with a mileage | — |
| Transmission and drivetrain | 6 (3%) | too few with a mileage | — |
| Engine | 5 (3%) | too few with a mileage | — |
Bills are typical US ranges from the sources named in the tool (J.D. Power, Kelley Blue Book, CarParts.com and others), printed only for systems that stand out or sit at or ahead of 77,000 miles. Not a quote.
What owners reported alongside their complaints
Of 180 complaints: 13 mention a crash · 4 mention a fire · 6 report an injury · 1 says the car was towed.
No complaints in the last 12 months; the newest was filed in Jan 2024.
Counts of what owners wrote in their complaints, not verified by anyone.
Recalls for the 2003 GMC Sierra 1500: 4
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. Wheel separation can result in a vehicle crash.
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. If stopping distance is limited, a vehicle crash could occur.
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. 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.
On certain vans equipped with sure-lok wheelchair securement systems, the sprocket teeth of the retractor assembly is out of alignment. In the event of a vehicle crash, the wheelchair may not be adequately secured possibly resulting in injuries to a wheelchair occupant.
A recall may cover only some cars of a model year; the campaign size counts every model and year it lists. Enter your VIN at nhtsa.gov/recalls: dealers fix open recalls free.
Service bulletins from GMC: 105
Repair instructions GMC sent its dealers for symptoms seen in the shop on the 2003 GMC Sierra 1500. Ask a dealer or mechanic for a bulletin by its number.
Measure for oil consumption and possible reasons for loss of oil
Rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels should be used to reduce carbon build-up
Possible location of an internal coolant leak from a specific cylinder head and location
Guidelines to replace Oil Cooler, Oil Cooler Lines and Oil Tank if the engine was replaced where large amounts of debris has flowed throughout the oiling system
Neighbouring years
2002 Sierra 1500: 166 complaints, keep it · 2004 Sierra 1500: 212 complaints, keep it.
Every GMC Sierra 1500 year
2000 · 2001 · 2002 · 2003 · 2004 · 2005 · 2006 · 2007 · 2008 · 2009 · 2010 · 2011 · 2012 · 2013 · 2014 · 2015 · 2016 · 2017 · 2018 · 2019 · 2020 · 2021 · 2022 · 2023 · 2024 · 2025 · 2026 · All Sierra 1500 years side by side
Other GMC models: GMC Acadia · GMC Canyon · GMC Denali · GMC Envoy · GMC Envoy XL · GMC Envoy Xuv · GMC Jimmy · GMC Safari · GMC Savana · GMC Sierra · GMC Sierra 2500 · GMC Sierra 3500 · GMC Sierra Denali · GMC Sonoma · GMC Terrain · GMC Yukon · GMC Yukon Denali · GMC Yukon Denali XL · GMC Yukon XL · GMC Yukon XL 1500. All makes and models.
Questions
Is the 2003 GMC Sierra 1500 a bad year?
180 owner complaints to NHTSA. Engine and transmission complaints are in line with other Sierra 1500 years. At 77,000 miles the tool says: Keep it.
What are the most common problems with the 2003 GMC Sierra 1500?
By owner complaints to NHTSA: brakes (104), electrical system (43), steering (15), air bags (7), fuel system (7).
How many recalls does the 2003 GMC Sierra 1500 have?
4 recall campaigns list this model year: Wheels (NHTSA 07E106000), Brakes (NHTSA 06E050000), Fuel system (NHTSA 06E043000), Adaptive equipment (NHTSA 04V-562). A recall may cover only some cars; check by VIN at nhtsa.gov/recalls.
Method: counts of unverified owner complaints filed with NHTSA, compared only with other years of the same model (sales volumes are unknown, so no failure rate is computed). A system stands out at 40+ complaints and at least twice the model's quiet (lower-quartile) year, or twice the share across every vehicle of that model year. The mileage range is the 25th to 75th percentile of the mileages owners reported. Data received by NHTSA through November 5, 2026. Repair prices are typical US ranges from named sources, not quotes. Not a diagnosis and not financial advice. PulsCar is not affiliated with NHTSA. Check this car at your own mileage.