2018 Audi Q7 Engine Problems

NHTSA component category: ENGINE · data through 07/14/2026

36Engine complaints

25.7%Of all 140 complaints

#1Most-reported category

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

ENGINE36 · 25.7%

EXTERIOR LIGHTING21 · 15%

Unspecified / other19 · 13.6%

SUSPENSION16 · 11.4%

ELECTRICAL SYSTEM15 · 10.7%

Share of the 140 complaints citing each category; one complaint can cite several. Full breakdown on the 2018 Audi Q7 overview page.

What owners report

“Engine Rebuild/Replace: Cylinder 1 intake valve has broken causing misfire/ oil consumption. Due to piece of valve falling into combustion chamber, damage/scoring on cylinder wall…”NHTSA complaint 11654585 — filed 04/14/2025

“For over 24+ months now, the engine has been showing signs of excessive oil consumption. I've had the engine light come on requesting for me…”NHTSA complaint 11648122 — filed 03/13/2025

“First time on highway since getting it back from the car repair vendor two days prior. Drive system malfunction occurred on the highway drive approx.13…”NHTSA complaint 11647430 — filed 03/10/2025

Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.

Engine complaints by year filed

Frequently asked questions

Does the 2018 Audi Q7 have engine problems?

Engine is the most-reported problem area on the 2018 Audi Q7: 36 of 140 complaints on file (25.7%). Complaints are unverified owner reports, not confirmed defects.

How many complaints does the 2018 Audi Q7 have in total?

140 complaints were on file with NHTSA as of 07/14/2026. Across all categories, 3 involved a crash, 0 involved a fire, 3 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.

About this data — Complaint figures on this page are consumer reports submitted to the National Highway Traffic Safety Administration (NHTSA), a U.S. government agency. NHTSA does not verify individual complaints; a complaint is not proof that a defect exists, and counts reflect what owners chose to report, not confirmed failure rates. Recall information comes from official NHTSA safety recall campaigns; recall repairs are free at authorized dealers. Always check your specific vehicle by VIN at nhtsa.gov/recalls. CarModelProblems.com is an independent site and is not affiliated with NHTSA or any vehicle manufacturer. Data through 07/14/2026.