2003 GMC Sierra 1500 Reliability

2003 GMC Sierra 1500 2dr Regular Cab 4WD SB

View photos

Work Truck Regular Cab Pickup (4.3L V6 5-speed Manual 8.1 ft. Bed)

Used TMV from $5,004

SEARCH INVENTORY

Reliability Rating for 2003 GMC Sierra 1500 by Identifix

Ratings Key

Minimal Problems

Moderate Problems

Significant Problems

	Rating	Comments
Engine		An occasional problem on this vehicle is failure of the Crankshaft Position Sensor and a periodic problem on this vehicle is failure of the Catalytic Converters (on 4.8L, 5.3L and 6.0L engines only). Failure of the Crankshaft Position Sensor will prevent the vehicle from starting. 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 estimated at $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
Brake		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 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
Starting & Charging		An occasional problem on this vehicle is the failure of the Ignition Lock Cylinder and Housing Assembly. Failure of the Ignition Lock Cylinder and Housing Assembly may prevent the engine from starting. The cost to repair the Ignition Lock Cylinder and Housing Assembly is estimated at $148.49 for parts and $91.00 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.
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

Reliability Ratings displayed above reflect style specific standard features and may vary from aggregated values displayed for the same year in the historical model overviewed bellow.

Reliability History for GMC Sierra 1500 by Identifix

	2001	2002	2003	2004	2005
Engine
Transmission & Driveline
Steering & Suspension
Brake
Heating & Air Conditioning
Starting & Charging
Accessories
Overall

Reliability Ratings by Identifix is based from repair shop-reported issues. Though this data may be for years prior to model you are researching, it exposes how reliable this model platform has been historically.