Reliability data provided by industry-leading Automotive Information Systems. For more information, consult the Reliability FAQ or read About Reliability Ratings.
2003 GMC Sierra 1500 Reliability Rating
KEY:
Minimal Problems
Moderate Problems
Significant Problems
Category
Rating
Comments
Engine
An occasional problem on this vehicle is failure of the Crankshaft Position Sensor. Failure of the Crankshaft Position Sensor can cause the engine to not start or stall. A periodic problem on this vehicle is failure of the Catalytic Converters (on 4.8L, 5.3L and 6.0L engines only). The cost to replace the Crankshaft Position Sensor is estimated at $87.71 for parts and $58.50 for labor. The cost to replace both Catalytic Converters is $910.00 for parts and $221.00 for labor. All prices are estimates based on $65.00 per flat rate hour and do not include diagnostic time or any applicable sales tax.
Transmission & Driveline
An occasional problem on this vehicle is failure of the Front Axle Seals (4X4 models only). The cost to repair the Front Axle Seals is estimated at $16.00 each for parts and $65.00 for the left side, $110.50 for the right side, and $143.00 for both sides for the labor. All prices are estimates based on $65.00 per flat rate hour and do not include diagnostic time or any applicable sales tax.
Steering & Suspension
Infrequent problems reported, all with low repair costs.
Brakes
An occasional problem on this vehicle is failure of the Front Wheel Speed Sensor. Failure of the Front Wheel Speed Sensor can cause false cycling of the ABS brakes. The cost to repair the Front Wheel Speed Sensor(s) is $124.97 for the parts and $84.50 for labor per side. All prices are estimates based on $65.00 per flat rate hour and do not include diagnostic time or any applicable sales tax.
Heating & Air Conditioning
Infrequent problems reported, all with low repair costs.
Starting & Charging
An occasional problem with this vehicle is the failure of the Ignition Lock Cylinder and Housing Assembly. This engages the antitheft system and prevents the engine from starting. The cost to repair the Ignition Lock Cylinder and Housing is estimated at $183.75 for parts and $84.50 for labor. All prices are estimates based on $65.00 per flat rate hour and do not include diagnostic time or applicable taxes.
Accessories
An occasional problem on this vehicle is failure of the Instrument Panel Cluster (IPC). The cost to replace the Instrument Panel Cluster (IPC) is estimated at $262.00 for parts and $39.00 for labor. All prices are estimates based on $65 per flat rate hour and do not include diagnostic time or any applicable sales tax.
Overall
3 out of 5
*Repair costs are based on a flat rate of $65.00 per hour and do not include diagnostic time or any applicable sales tax.
Reliability History
In the chart below, click a symbol beneath the model year headings to go directly to reliability information on the particular automotive system for that year.
Or, click a model year heading at the top of the chart to view a complete reliability report for that particular model year.
Minimal Problems
Moderate Problems
Significant Problems
