2021 GMC Yukon XL Engine And Engine Cooling Problems
NHTSA component category: ENGINE AND ENGINE COOLING · data through 07/14/2026
Source: U.S. NHTSA complaint data. Complaints are unverified reports from vehicle owners — a complaint is not a confirmed defect.
How engine and engine cooling ranks on this vehicle
Share of the 199 complaints citing each category; one complaint can cite several. Full breakdown on the 2021 GMC Yukon XL overview page.
What owners report
“The contact owns a 2021 GMC Yukon XL. The contact received notification of NHTSA Campaign Number: 25V274000 (Engine and Engine Cooling); however, the part to…”NHTSA complaint 11668716 — filed 06/23/2025
“The contact owns a 2021 GMC Yukon XL. The contact stated while his wife was driving 25 MPH and depressing the accelerator pedal, the vehicle…”NHTSA complaint 11668114 — filed 06/20/2025
“The contact owns a 2021 GMC Yukon XL. The contact stated while driving approximately 45â50 MPH, the engine was making an abnormal sound. The contact…”NHTSA complaint 11666126 — filed 06/10/2025
Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.
Engine And Engine Cooling complaints by year filed
Frequently asked questions
Does the 2021 GMC Yukon XL have engine and engine cooling problems?
Engine And Engine Cooling is the #4 most-reported problem area on the 2021 GMC Yukon XL: 21 of 199 complaints on file (10.6%). Complaints are unverified owner reports, not confirmed defects.
How many complaints does the 2021 GMC Yukon XL have in total?
199 complaints were on file with NHTSA as of 07/14/2026. Across all categories, 2 involved a crash, 1 involved a fire, 6 reported injuries, and none reported deaths.
What does NHTSA's engine and engine cooling category include?
NHTSA assigns each complaint to standard component categories; this page reports the ENGINE AND ENGINE COOLING category exactly as NHTSA defines and records it.
