20222021 model year2020
NHTSA Official DataUpdated: May 2026How we calculate this
Good Record

2021 Audi S6: Is It Reliable?
Problems, Recalls & Buyer Verdict

Shopping for a used 2021 Audi S6? This page highlights owner-reported complaint patterns and recall history so you can inspect the right systems before buying. No significant NHTSA complaints found for this model year.

Complaints
Crashes
Fires
Injuries
Deaths
10
Recalls

2021 Audi S6 Fuel Economy

✓ EPA Official Data

EPA official fuel economy rating for the 2021 Audi S6.

18
MPG City
28
MPG Hwy
22
MPG Combined
410
g CO₂/mile
Premium Gasoline
⚠️Costs $6,500 more than avg vehicle over 5 years

Source: EPA FuelEconomy.gov. Figures reflect EPA lab testing; real-world results vary by driving style, load, and conditions.

2021 Audi S6 Safety Ratings

NHTSA 5-Star Program

Official crash test results from the NHTSA 5-Star Safety Ratings program. Stars reflect government-conducted tests; higher is safer.

Overall

Not Rated

8.9% rollover risk

Frontal Crash

Not Rated

Side Crash

Not Rated

Rollover

5/5

8.9% probability

Stability Control: StandardForward Collision Warning: StandardLane Departure Warning: Standard

Source: NHTSA 5-Star Safety Ratings. Ratings are based on government crash tests and may not reflect all trim levels.

Quick Answer

Based on NHTSA complaint data, the 2021 Audi S6 has 0 owner complaints, 0 crash-related complaints, and 10 recall campaigns on record. NHTSA reliability signal: Good Record.

2021 Audi S6 — key reliability facts
Make
Audi
Model
S6
Model year
2021
NHTSA owner complaints
0
Crash-related complaints
0
Safety recall campaigns
10
Reliability signal
Good Record
EPA MPG combined
22
EPA MPG city / highway
18 / 28
Fuel type
Premium Gasoline
NHTSA rollover rating
5/5 stars
Electronic stability control
Standard

Should You Buy a Used 2021 Audi S6?

The 2021 Audi S6 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.

What to Check Before Buying a Used 2021 Audi S6

Inspection Focus

  • Run a VIN check on the specific vehicle you are considering
  • Verify all open recalls are completed at nhtsa.gov/recalls
  • Request service records for the most-reported complaint components
  • Have a certified mechanic inspect the vehicle before purchase

Before You Close the Deal

  • Run a VIN check on the specific vehicle you are considering
  • Verify all open recalls are completed at nhtsa.gov/recalls
  • Request service records for the most-reported complaint components
  • Have a certified mechanic inspect the vehicle before purchase

Shortlist with model-year data. Decide with the exact VIN.

Before buying a used 2021 Audi S6, run a VIN history report to verify accidents, title brands, odometer records, theft checks, and open recalls for the exact vehicle.

All 2021 Audi S6 Complaints by Category

Every owner-reported complaint category filed with NHTSA for the 2021 Audi S6. Use this as a pre-purchase inspection checklist.

ComponentComplaintsCrashesFiresAvg MileageVolume

Source: NHTSA Complaints Database. Complaint counts may exceed total complaints because one report can span multiple categories.

Real Owner Complaints

Read what owners actually reported to NHTSA for the 2021 Audi S6. Type a keyword (e.g. “transmission”, “stalling”, “brakes”) to filter.

Showing 0 most recent complaints

No complaints match “”. Try a different keyword.

Source: NHTSA Complaints Database. Real owner reports for the 2021 Audi S6.

2021 Audi S6 Recalls

10 campaigns

NHTSA recall campaigns for the 2021 Audi S6. 10 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.

21V606000May 8, 2021
SEAT BELTS:REAR/OTHER:RETRACTOR

22V03400026/01/2022
TIRES

21V159000Oct 3, 2021
AIR BAGS

21V29500026/04/2021
SUSPENSION:REAR:AXLE:NON-POWERED AXLE ASSEMBLY

22V15500014/03/2022
ELECTRICAL SYSTEM:INSTRUMENT PANEL:FUEL GAUGE:FUEL LEVEL FLOAT/SENSOR/SENDING UNIT

22V742000May 10, 2022
BACK OVER PREVENTION:DISPLAY FUNCTION

22V86100021/11/2022
ELECTRICAL SYSTEM

23V60100025/08/2023
SERVICE BRAKES, HYDRAULIC:FLUID

25V20100031/03/2025
ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

25V90000019/12/2025
BACK OVER PREVENTION: SENSING SYSTEM: CAMERA

Compare Audi S6 Model Years

Compare complaint and recall volume across years to see whether 2021 lands in a lower-risk or higher-risk part of the model timeline.

2022202120202018201720162015

2021 Audi S6 Buying FAQ

Buyer-focused answers based on real NHTSA complaint and recall data for this model year.

Is the 2021 Audi S6 reliable?

Good Record. NHTSA currently shows 0 owner complaints, 0 crash-related complaints, and 10 recall campaigns for this model year. The 2021 Audi S6 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 S6?

No significant patterns found in the NHTSA complaint database for this model year.

At what mileage do problems start on the 2021 Audi S6?

Mileage data is not available or insufficient for this model year.

How safe is the 2021 Audi S6?

Complaint data is not the same as crash-test scoring, but it does highlight possible risk patterns. For the 2021 Audi S6, NHTSA complaints include 0 crash-related reports and 0 fire reports out of 0 total complaints. For controlled crash-test ratings, check nhtsa.gov/ratings.

Does the 2021 Audi S6 have any recalls?

Yes. 10 NHTSA recall campaigns affect the 2021 Audi S6. A major recall area is SEAT BELTS:REAR/OTHER:RETRACTOR. 10 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 S6?

The 2021 Audi S6 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. 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 S6 reliability report with year-by-year comparison.

Owner Reliability Rating

Rate the 2021 Audi S6 based on your ownership experience.

Add your rating:

Ratings are based on owner experience and are separate from NHTSA data shown above.

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.