Before you buy
This 2021 Audi Q8 has 27 NHTSA complaints — top issue: Electrical Faults.
A model-year pattern isn't the car in front of you. Check this exact VIN for accidents, open recalls, odometer rollback, and salvage titles.
Free preview · Full report from $12.95.
2021 Audi Q8 Fuel Economy
✓ EPA Official DataEPA official fuel economy rating for the 2021 Audi Q8.
Source: EPA FuelEconomy.gov. Figures reflect EPA lab testing; real-world results vary by driving style, load, and conditions.
2021 Audi Q8 Safety Ratings
NHTSA 5-Star ProgramOfficial crash test results from the NHTSA 5-Star Safety Ratings program. Stars reflect government-conducted tests; higher is safer.
Overall
15.8% rollover risk
Frontal Crash
Side Crash
Rollover
15.8% probability
Source: NHTSA 5-Star Safety Ratings. Ratings are based on government crash tests and may not reflect all trim levels.
Based on NHTSA complaint data, the 2021 Audi Q8 has 27 owner complaints, 0 crash-related complaints, and 7 recall campaigns on record. The most frequently reported component is Electrical Faults. NHTSA reliability signal: Good Record.
- Make
- Audi
- Model
- Q8
- Model year
- 2021
- NHTSA owner complaints
- 27
- Crash-related complaints
- 0
- Safety recall campaigns
- 7
- Top reported component
- Electrical Faults
- Reliability signal
- Good Record
- EPA MPG combined
- 20
- EPA MPG city / highway
- 18 / 23
- Fuel type
- Premium Gasoline
- NHTSA overall safety rating
- 5/5 stars
- NHTSA frontal crash rating
- 5/5 stars
- NHTSA side crash rating
- 5/5 stars
- NHTSA rollover rating
- 4/5 stars
- Electronic stability control
- Standard
Common problems
Most common 2021 Audi Q8 problems
Top owner-reported complaint areas and where they often appear.
Electrical Faults
Engine Problems
Fuel System
Complaint patterns center on Electrical Faults, Engine Problems, Fuel System. Use these as a pre-purchase inspection guide, then verify recall and damage history on the specific VIN.
Buyer verdict
Should you buy a used 2021 Audi Q8?
The 2021 Audi Q8 looks comparatively lower-risk based on complaint volume, but model-year averages do not confirm the condition of any specific used car.
Use the model-year trend to shortlist candidates, then confirm the exact vehicle condition with service records, recall status, and a VIN history report.
Pre-purchase
What to check before buying a used 2021 Audi Q8
Inspection Focus
- Inspect the electrical system, including battery and wiring, for any signs of issues.
- Verify all open recalls at nhtsa.gov/recalls.
- Request service records for reported components like engine and fuel system.
- Have a mechanic inspect the vehicle before purchase.
Before You Close the Deal
- Inspect the electrical system, including battery and wiring, for any signs of issues.
- Verify all open recalls at nhtsa.gov/recalls.
- Request service records for reported components like engine and fuel system.
- Have a mechanic inspect the vehicle before purchase.
Check the exact car
Shortlist with model-year data. Decide with the exact VIN.
Before buying a used 2021 Audi Q8, run a VIN history report to verify accidents, title brands, odometer records, theft checks, and open recalls for the exact vehicle.
AI verdict
What the complaint data suggests
Editorial interpretation of NHTSA public complaint data. Source: nhtsa.gov. Complaints are owner-submitted and do not confirm a defect. Methodology
Based on 27 NHTSA complaints for the 2021 Audi Q8, the data suggests potential issues concentrated in electrical faults, with 13 complaints. Engine problems and fuel system issues also appear as recurring themes, though the low complaint volume limits confidence.
- Electrical faults account for the largest share of complaints (13 out of 27).
- Engine problems and fuel system issues each have 4–5 complaints.
- No crash-related complaints were reported for the 2021 model year.
- Electrical faults, including possible battery or wiring issues.
- Engine problems, such as stalling or performance concerns.
- Fuel system and gasoline-related complaints.
Full breakdown
All 2021 Audi Q8 complaints by category
Every owner-reported complaint category filed with NHTSA for the 2021 Audi Q8. Use this as a pre-purchase inspection checklist.
| Component | Complaints | Crashes | Fires | Avg Mileage | Volume |
|---|---|---|---|---|---|
| Electrical Faults | 13 | — | — | — | |
| Engine Problems | 5 | — | — | — | |
| Fuel System | 4 | — | — | — | |
| Gasoline | 4 | — | — | — | |
| Uncategorized Issues | 3 | — | — | — | |
| Transmission / Drivetrain | 3 | — | — | — | |
| Back Over Prevention | 3 | — | — | — | |
| Steering Defects | 2 | — | — | — | |
| Forward Collision Avoidance: AEB | 2 | — | — | — | |
| Lane Departure | 2 | — | — | — | |
| Brake System | 1 | — | — | — | |
| Unintended Acceleration | 1 | — | — | — | |
| Headlight/Taillight Failures | 1 | — | — | — | |
| Fuel/Propulsion System | 1 | — | — | — | |
| Seat Belt Issues | 1 | — | — | — |
Source: NHTSA Complaints Database. Complaint counts may exceed total complaints because one report can span multiple categories.
In their words
Real owner complaints
Read what owners actually reported to NHTSA for the 2021 Audi Q8. Type a keyword (e.g. “transmission”, “stalling”, “brakes”) to filter.
Belt Starter Generator failure rendered car undrivable -- power steering failed while in motion. Issue is subject to Class Action Settlement in USDistrict Court, Case # 3:23-cv-02291-RK-RLS. But this should have been a recall because of danger of Injury or Death. A recall w…
Audi Q8 failed water pump leading to severe loss of power and a major safety issue. I was merging on a very busy highway when I had loss of power with my children in the vehicle. This was alarming as I was not able to accelerate as anticipated and had no warning/notice that this …
The engine (internal mechanical failure) malfunctioned. The vehicle developed a persistent ticking/knocking noise from the engine bay, and the authorized Audi dealer diagnosed the issue as requiring a full engine replacement. The vehicle is currently available for inspection upon…
The contact owns a 2021 Audi Q8. The contact stated that while driving at various speeds, the instrument panel failed to operate. The contact stated that while driving 70 MPH, the failure recurred. The contact received notification of NHTSA Campaign Number: 25V201000 (Electrical…
Subject: Spontaneous Sunroof Shattering – 2021 Audi Q8 Summary: On 8/5/2025, while driving my 2021 Audi Q8 under normal conditions, the sunroof suddenly shattered without warning. There was a loud popping sound, followed by glass breaking and falling onto the closed sunroof sha…
Purchased my car used from Volkswagen of west islip. After a few months I was doing regular maintenance when I noticed that the brake sensor was missing and the harness was tampered with. The brake wear sensor was removed from the front driver side and a small price of wire/ cond…
On April 2, 2025, while driving on Interstate 25, my 2021 Audi Q8 Premium Plus experienced a catastrophic engine and electrical failure. This included the generator system failing, which resulted in a complete loss of power, disabling all active safety systems (including electron…
I had purchases a 2021 Audi Q8 from Carmax on 10/16/2024. There was a time that I was driving at 35 mph in the left lane which I had my signal on to proceed in the turning lane when the car went into park and the crash indicator was on. I was jerked by the force. I also notice w…
The contact owns a 2021 Audi Q8. The contact stated that while driving at an undisclosed speed in the rain, the automatic braking system sensors engaged. There was an abnormal sputtering sound coming from the vehicle. The driver believed that the vehicle had struck an object. The…
High beam assistant: Malfunction
I wish to report a critical safety issue with our Audi Q8, which experienced a complete electrical failure while traveling at 65 mph on the freeway on [XXX]. The warning indicators transitioned from yellow to red before the vehicle lost all functionality, including turn signals a…
The vehicle recently started to behave uncharacteristically when navigating around the curbs and changing lanes, it feels like you have hit a patch of black ice or an oil slick which I attributed to needing new tires. I purchased new tires according to the vehicle Audi manufactur…
Took Audi Q8 in Jan 29 2024 do to 2 indicates one was a low oil, and a week before a Addaptive Lighting Warning came on my vehicle 2x , the following day to Warning light did NOT appear but the Blind Spot/Lane Assist lights did not operate. They were unable to resolve the issue F…
The alternator on my Audi Q8 SUV died AS I WAS DRIVING IT, leaving my vehicle with no power. I was left to coast down the 50-60 MPH highway I was driving on into a turn lane, where the vehicle stopped and could not be restarted. My safety was put at risk because I was on a high…
The alternator was having malfunction in the middle of driving. At first, the system warned and showed" Electric system malfunction" with yellow lights on. As soon as I saw this warning, I drove to the nearest dealership which is about 15 mins drive. Two minutes before my wife an…
While driving the 2021 Audi Q8, the warning lights for the Electrical system malfunction & Automatic vehicle starting system: malfunction appeared on the dashboard. My safety and others safety were at risk as this occurred while driving. In reviewing other concerns or complaints …
Complete loss of electrical power while driving due to faulty alternator at only 35K miles. This resulted in total loss of steering, suspension failure, and any other electrical systems in the car. Making the car almost impossible to control specially for a new driver. Apparently…
Vehicle reported an electrical failure and to stop vehicle. Vehicle towed to dealership. Service reported Alternator failure and a 6-8 week repair time as part is on back order.
When driving, my car had several red and yellow warning lights that came one - one for electrical system, the other for Vehicle starting malfunction and another was a battery sign. The vehicle also had delays starting. I was fearful the car would stop while driving (hopefully n…
The contact owns a 2021 Audi Q8. The contact received notification of NHTSA Campaign Number: 22V516000 (Fuel System, Gasoline) however, the part to do the recall repair was not yet available. The dealer was made aware of the issue and the contact was informed that the recall coul…
Source: NHTSA Complaints Database. Real owner reports for the 2021 Audi Q8.
Safety recalls
2021 Audi Q8 recalls
7 campaignsNHTSA recall campaigns for the 2021 Audi Q8. 7 recall campaigns are on record for this model year. Recalls are free to fix at authorized dealers, but completion status must be verified on the exact VIN.
SEAT BELTS:REAR/OTHER:RETRACTOR
TIRES
SUSPENSION:REAR:AXLE:NON-POWERED AXLE ASSEMBLY
FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP
BACK OVER PREVENTION:DISPLAY FUNCTION
ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
BACK OVER PREVENTION: SENSING SYSTEM: CAMERA
Research more
Keep researching before you buy
Compare brands and categories, then check the exact car's history by VIN.
Questions
2021 Audi Q8 buying FAQ
Buyer-focused answers based on real NHTSA complaint and recall data for this model year.
Is the 2021 Audi Q8 reliable?▾
Good Record. NHTSA currently shows 27 owner complaints, 0 crash-related complaints, and 7 recall campaigns for this model year. The 2021 Audi Q8 looks comparatively lower-risk based on complaint volume, but model-year averages do not confirm the condition of any specific used car. Treat this as a model-year signal, then verify the exact vehicle's condition and history before purchase.
What are the most common problems with the 2021 Audi Q8?▾
#1: Electrical Faults (13 complaints). #2: Engine Problems (5 complaints). #3: Fuel System (4 complaints)
At what mileage do problems start on the 2021 Audi Q8?▾
Mileage data is not available or insufficient for this model year.
How safe is the 2021 Audi Q8?▾
Complaint data is not the same as crash-test scoring, but it does highlight possible risk patterns. For the 2021 Audi Q8, NHTSA complaints include 0 crash-related reports and 0 fire reports out of 27 total complaints. For controlled crash-test ratings, check nhtsa.gov/ratings.
Does the 2021 Audi Q8 have any recalls?▾
Yes. 7 NHTSA recall campaigns affect the 2021 Audi Q8. A major recall area is SEAT BELTS:REAR/OTHER:RETRACTOR. 7 recall campaigns are on record for this model year. Always verify open recalls by VIN because completion status varies by vehicle.
Should I buy a 2021 Audi Q8?▾
The 2021 Audi Q8 looks comparatively lower-risk based on complaint volume, but model-year averages do not confirm the condition of any specific used car. Use the model-year trend to shortlist candidates, then confirm the exact vehicle condition with service records, recall status, and a VIN history report. Pay extra attention to Electrical Faults during inspection. Before committing, run a VIN history report to verify accidents, title brands, odometer records, and recall completion for the exact car.
Source: NHTSA (National Highway Traffic Safety Administration) complaint and recall databases, aggregated by VinSpector AI.
Wider context: See the full Audi Q8 reliability report with year-by-year comparison.
Owner Reliability Rating
Rate the 2021 Audi Q8 based on your ownership experience.
Add your rating:
Ratings are based on owner experience and are separate from NHTSA data shown above.
Before you buy
Check the exact vehicle history before you buy
Model-year complaints and recalls reveal patterns. A VIN report confirms whether the exact car has accident history, title brands, mileage issues, or open recalls.