2018 GMC Yukon XL Engine Problems
NHTSA lists 16 engine-related complaints for the 2018 GMC Yukon XL, 29% of its 55 total complaints for the year. No related recalls are listed. The median mileage at failure is 65,000 miles, with reports of lifter and camshaft damage and complete engine failure.
- Engine complaints
- 16
- 29% of 55
- Crashes reported
- 0
- Fires reported
- 0
- Injuries reported
- 0
- Median mileage
- 65,000 mi
- Related recalls
- 0
Typical engine symptoms owners report
- Owners report a tapping or ticking sound from the engine that later develops into lifter and camshaft damage.
- Some describe sudden loss of power or severe shaking on the highway after a lifter breaks and other internal parts fail.
- Several report the engine stalling or failing outright, sometimes requiring full engine replacement, with the vehicle unable to accelerate as intended.
- A knocking noise from the engine led some owners to stop driving the vehicle immediately and have it towed.
- Owners describe the check engine light flashing along with rough idling and loss of acceleration before the engine failed.
- One report notes the engine was diagnosed as blown at just over 71,200 miles despite regular dealership servicing.
When 2018 GMC Yukon XL engine complaints were filed
First complaint Mar 2, 2021, latest Sep 17, 2026.
Engine recalls for the 2018 GMC Yukon XL
No safety recalls on record for this model year.
Engine complaints by Yukon XL model year
Raw complaint counts per model year; newer years have had less time to accumulate complaints.
Frequently asked questions
- How many engine complaints does the 2018 GMC Yukon XL have?
- NHTSA lists 16 engine-related complaints for the 2018 Yukon XL, which is 29% of the 55 total complaints filed for that model year.
- Is there a recall for the 2018 GMC Yukon XL engine?
- No related recalls are listed in NHTSA data for this engine complaint category.
- At what mileage do 2018 Yukon XL engine problems typically show up?
- The median mileage at failure reported to NHTSA is 65,000 miles, based on the available complaint data.
- What kind of engine failures do owners report?
- Owners describe ticking or knocking noises followed by lifter and camshaft damage, sudden stalling, rough idling, and cases where the engine needed full replacement.