2018 Mazda CX-5 Engine Problems
NHTSA component category: ENGINE · 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 ranks on this vehicle
Share of the 345 complaints citing each category; one complaint can cite several. Full breakdown on the 2018 Mazda CX-5 overview page.
What owners report
“The engine has a massive oil leak that seems to be more common than Mazda will admit. The safety-related issue is the oil pours out…”NHTSA complaint 11452205 — filed 02/16/2022
“While driving, my car has stopped two times. first time I crashed on the side of road causing all of my tires and rim busted…”NHTSA complaint 11450235 — filed 02/03/2022
“This is more of a general notice to fellow Mazda CX-5 drivers with the issue described below: Our car is a 2018 CX-5 with 25K…”NHTSA complaint 11446233 — filed 01/04/2022
Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.
Engine complaints by year filed
Frequently asked questions
Does the 2018 Mazda CX-5 have engine problems?
Engine is the most-reported problem area on the 2018 Mazda CX-5: 175 of 345 complaints on file (50.7%). Complaints are unverified owner reports, not confirmed defects.
How many complaints does the 2018 Mazda CX-5 have in total?
345 complaints were on file with NHTSA as of 07/14/2026. Across all categories, 19 involved a crash, 1 involved a fire, 6 reported injuries, and none reported deaths.
What does NHTSA's engine category include?
NHTSA assigns each complaint to standard component categories; this page reports the ENGINE category exactly as NHTSA defines and records it.
