EngineHigh
5.3L AFM lifter failure and oil consumption.
- Typically appears
- 80,000+ miles
- What to inspect
- Listen for a tick/misfire; check oil level and history for lifter work.
2014–2018 GMC Sierra 1500 — common problems & known faults
The GMC Sierra 1500 shares its platform with the Silverado — the 5.3L V8's lifters and a cracked-dash issue are the headline checks.
Compiled & reviewed by the VehicleFaults Research Team · last reviewed July 2026
Known faults to check
InteriorLow
Cracking dashboard with age/sun.
- Typically appears
- Age-related
- What to inspect
- Inspect the dash top for cracks.
TransmissionMedium
Torque-converter shudder.
- Typically appears
- 70,000+ miles
- What to inspect
- Test-drive at light throttle for shudder.
HVACMedium
AC condenser failure.
- Typically appears
- 60,000+ miles
- What to inspect
- Confirm cold AC.
Inspecting a GMC Sierra 1500?
Generate a full, tickable pre-purchase checklist tailored to this exact vehicle — add photos and notes as you inspect.
Generate a free checklistFrequently asked questions
Is the GMC Sierra 1500 reliable?
Broadly yes, but the 5.3L AFM lifter issue can be costly — inspect carefully.
Does the Sierra have a cracked-dash problem?
Yes — dashboards commonly crack with age; it's cosmetic but widespread.
Which engine is best?
The 6.2L V8 is strong; all use cylinder deactivation, so watch lifter health.
Sources & further reading
Faults are compiled from documented recalls, technical bulletins, owner reports and mechanic sources, then reviewed for accuracy. This is guidance only · not a substitute for a professional inspection.