Complaints
193
Crashes
8
Fires
5
Injuries
4
Fatalities
—
Recalls
0
Worst 2003 GMC Sierra 2500 Problems
Top 3 most-reported issues with average mileage at failure.
#133 complaints
Hydraulic Brakes
Avg mileage:67,877 mi
Crash-related:1
Fires:1
#228 complaints
Brakes
Avg mileage:161,237 mi
Crash-related:1
#321 complaints
Electrical Faults
Avg mileage:106,064 mi
Fires:1
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All Problems by Category
Every NHTSA complaint category for the 2003 GMC Sierra 2500.
| Component | Complaints | Crashes | Fires | Avg Mileage | Volume |
|---|---|---|---|---|---|
| Hydraulic Brakes | 33 | 1 | 1 | 67,877 mi | |
| Brakes | 28 | 1 | — | 161,237 mi | |
| Electrical Faults | 21 | — | 1 | 106,064 mi | |
| Instrument Cluster | 12 | — | — | 84,950 mi | |
| Steering Defects | 8 | 1 | — | 80,527 mi | |
| Engine Problems | 6 | — | — | 133,200 mi | |
| Diesel Fuel System | 6 | — | — | 125,826 mi | |
| Fuel System | 5 | — | 1 | 145,349 mi | |
| Service Brakes, Hydraulic:Foundation Components:Hoses, Lines/Piping, And Fittings | 5 | — | — | 78,706 mi | |
| Transmission / Drivetrain | 4 | — | — | — | |
| Power Train:Transfer Case (4-Wheel Drive) | 4 | — | — | — | |
| Unintended Acceleration | 4 | 1 | — | — | |
| Tire Defects | 3 | — | — | — | |
| Electrical System:Wiring:Interior/Under Dash | 2 | — | 1 | — | |
| Engine & Cooling | 2 | 1 | — | — | |
| Fuel System, Gasoline:Delivery:Hoses, Lines/Piping, And Fittings | 2 | — | 1 | — | |
| Parking-Brake Issues | 2 | — | — | — | |
| Power Train:Driveline:Driveshaft | 2 | — | — | — | |
| Service Brakes, Hydraulic:Antilock/Traction Control/Electronic Limited Slip | 2 | 1 | — | — | |
| Steering:Gear Box:Shaft Sector | 2 | — | — | — | |
| Structure:Body:Bumpers | 2 | — | — | — | |
| Structure:Frame And Members:Underbody Shields | 2 | — | — | — | |
| Suspension:Front:Wheel Bearing | 2 | — | — | — | |
| Suspension:Rear:Springs:Leaf Spring Assembly:Leaf | 2 | — | — | — | |
| Air Bags:Frontal | 1 | 1 | — | — | |
| Electrical System:Wiring | 1 | — | — | — | |
| Electronic Stability Control | 1 | — | — | — | |
| Engine And Engine Cooling:Cooling System | 1 | — | — | — | |
| Engine And Engine Cooling:Engine | 1 | — | — | — |
Hydraulic Brakes
33
complaints
Crashes
1
Fires
1
Avg Miles
67,877
Brakes
28
complaints
Crashes
1
Fires
—
Avg Miles
161,237
Electrical Faults
21
complaints
Crashes
—
Fires
1
Avg Miles
106,064
Instrument Cluster
12
complaints
Crashes
—
Fires
—
Avg Miles
84,950
Steering Defects
8
complaints
Crashes
1
Fires
—
Avg Miles
80,527
Engine Problems
6
complaints
Crashes
—
Fires
—
Avg Miles
133,200
Diesel Fuel System
6
complaints
Crashes
—
Fires
—
Avg Miles
125,826
Fuel System
5
complaints
Crashes
—
Fires
1
Avg Miles
145,349
Service Brakes, Hydraulic:Foundation Components:Hoses, Lines/Piping, And Fittings
5
complaints
Crashes
—
Fires
—
Avg Miles
78,706
Transmission / Drivetrain
4
complaints
Crashes
—
Fires
—
Avg Miles
—
Power Train:Transfer Case (4-Wheel Drive)
4
complaints
Crashes
—
Fires
—
Avg Miles
—
Unintended Acceleration
4
complaints
Crashes
1
Fires
—
Avg Miles
—
Tire Defects
3
complaints
Crashes
—
Fires
—
Avg Miles
—
Electrical System:Wiring:Interior/Under Dash
2
complaints
Crashes
—
Fires
1
Avg Miles
—
Engine & Cooling
2
complaints
Crashes
1
Fires
—
Avg Miles
—
Fuel System, Gasoline:Delivery:Hoses, Lines/Piping, And Fittings
2
complaints
Crashes
—
Fires
1
Avg Miles
—
Parking-Brake Issues
2
complaints
Crashes
—
Fires
—
Avg Miles
—
Power Train:Driveline:Driveshaft
2
complaints
Crashes
—
Fires
—
Avg Miles
—
Service Brakes, Hydraulic:Antilock/Traction Control/Electronic Limited Slip
2
complaints
Crashes
1
Fires
—
Avg Miles
—
Steering:Gear Box:Shaft Sector
2
complaints
Crashes
—
Fires
—
Avg Miles
—
Structure:Body:Bumpers
2
complaints
Crashes
—
Fires
—
Avg Miles
—
Structure:Frame And Members:Underbody Shields
2
complaints
Crashes
—
Fires
—
Avg Miles
—
Suspension:Front:Wheel Bearing
2
complaints
Crashes
—
Fires
—
Avg Miles
—
Suspension:Rear:Springs:Leaf Spring Assembly:Leaf
2
complaints
Crashes
—
Fires
—
Avg Miles
—
Air Bags:Frontal
1
complaints
Crashes
1
Fires
—
Avg Miles
—
Electrical System:Wiring
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Electronic Stability Control
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Engine And Engine Cooling:Cooling System
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Engine And Engine Cooling:Engine
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Search Owner Complaints
Read what owners actually reported to NHTSA for the 2003 GMC Sierra 2500. Type a keyword (e.g. “transmission”, “stalling”, “brakes”) to filter.
Other GMC Sierra 2500 Years
2003 GMC Sierra 2500 — FAQ
Answers based on real NHTSA complaint and recall data for this specific model year.
Is the 2003 GMC Sierra 2500 reliable?
Verdict: High Complaint Volume. The 2003 GMC Sierra 2500 has 193 NHTSA complaints, 8 crash-related, and 0 recall campaigns. The most common issue is Hydraulic Brakes with 33 complaints. Source: NHTSA via VinItel.
What are common problems with the 2003 GMC Sierra 2500?
Top reported problems: Hydraulic Brakes (33 complaints, avg 67,877 mi); Brakes (28 complaints, avg 161,237 mi); Electrical Faults (21 complaints, avg 106,064 mi). Every complaint is filed by an owner with NHTSA — this is raw reported data, not editorial opinion.
At what mileage do problems start on the 2003 GMC Sierra 2500?
The weighted average mileage at time of complaint is about 107,419 miles. Some components fail earlier, some later — check the "All Problems by Category" table above for per-issue averages.
How safe is the 2003 GMC Sierra 2500?
NHTSA complaints for the 2003 GMC Sierra 2500 include 8 crash-related reports, 5 fire reports, 4 injuries, and 0 fatalities. These are owner-reported incidents, not official crash-test ratings — a complaint being filed doesn't confirm a defect, but clusters around specific components are worth investigating.
Does the 2003 GMC Sierra 2500 have any recalls?
No NHTSA recall campaigns have been issued for the 2003 GMC Sierra 2500 as of the latest data sync. Verify by VIN for the most current status — new recalls can be issued years after a model year ships.
Should I buy a 2003 GMC Sierra 2500?
This year has a higher-than-normal complaint volume. It's not an automatic no, but focus inspection on the top reported issue (hydraulic brakes) and verify open recalls have been addressed.
Source: NHTSA (National Highway Traffic Safety Administration) complaint and recall databases, aggregated by VinItel.
Wider context: See the full GMC Sierra 2500 reliability report with year-by-year comparison and generation analysis.
Check Your Specific 2003 GMC Sierra 2500
Real owner complaints tell you about the model. The VIN tells you about your specific car — accidents, title issues, odometer fraud.
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