2021 Audi S7 Problems: 8 Known Issues
2021 model year · NHTSA recalls, manufacturer TSBs, and owner forum reports · Updated October 2026
According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2021 Audi S7 has 8 documented known issues, with 6 rated critical. The most serious are Rear-Axle Lock Nut and Alignment Recall Follow-Up (21V295 / 22V034), Rear Seat-Belt Retractor Can Release a Child Restraint Early (Recall 21V606 / 69CS), Instrument Panel May Fail to Display Critical Safety Information (Recall 25V201 / 90VC), Rearview Camera Image May Not Display (Recall 25V900 / 90TV), Incorrect Brake-Fluid Reservoir Cap Label (Recall 23V601 / 47T9) and Rear-Seat Liquid Spill Can Shut Down Gateway Module (Recall 22V861 / 90V2). Across all issues with published estimates, repair costs range from $250 to $1,800. DIY maintenance guides at au7o.io.
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All 8 Known Issues
NHTSA Recalls10 recalls
BACK OVER PREVENTION: SENSING SYSTEM: CAMERA
Volkswagen Group of America, Inc. (Audi) is recalling certain 2019-2026 vehicles. Please see the recall report for a complete list of models. A software error may prevent the rearview camera image from displaying as intended. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 111, "Rear Visibility."
ELECTRICAL SYSTEM
Volkswagen Group of America, Inc. (Audi) is recalling certain 2020-2022 Audi S7, S6 Sedan, A6 Allroad, 2021-2022 RS7, RS6 Avant, 2019-2022 A7, and A6 Sedan vehicles. Liquid spilled in the rear seat may penetrate and cause the gateway control module to shut down.
ELECTRICAL SYSTEM:INSTRUMENT PANEL:FUEL GAUGE:FUEL LEVEL FLOAT/SENSOR/SENDING UNIT
Volkswagen Group of America, Inc. (Audi) is recalling certain 2021-2022 RS6 Avant and RS7, 2020-2022 A6 Allroad, S6 Sedan, and S7, and 2019-2022 A6 Sedan and A7 vehicles. The fuel level sender may stick, causing an inaccurate fuel level reading to be displayed on the instrument cluster.
SEAT BELTS:REAR/OTHER:RETRACTOR
Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2021 Volkswagen ID4, Audi A4 Allroad, A4 Sedan, A5 Cabriolet, A5 Coupe, A5 Sportback, A6 Allroad, A6 Sedan, A7, A8, E-Tron Quattro, E-Tron Sportback Quattro, Q3, Q5, Q5 Sportback, Q7, Q8, RS5 Sportback, RS5 Coupe, RS6 Avant, RS7, RSQ8, S4 Sedan, S5 Cabriolet, S5 Coupe, S5 Sportback, S6 Sedan, S7, S8, SQ5, SQ5 Sportback, SQ7, SQ8, and 2021-2022 S3 Sedan vehicles. The rear seat belt automatic locking retractors may deactivate early, which can prevent the child restraint system from securing properly. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 208, "Occupant Crash Protection."
TIRES
Volkswagen Group of America, Inc. (Audi) is recalling certain 2019-2021 Audi A5 Sportback, RS5 Coupe, RS5 Sportback, S5 Sportback, 2020-2021 A4 Allroad, A4 Sedan, A5 Cabriolet, A5 Coupe, A6 Allroad, A6 Sedan, A7, A8, Q5, S4 Sedan, S5 Coupe, S5 Cabriolet, S6 Sedan, S7, S8, SQ5, 2021 Q5 Sportback, Q7, Q8, RS6 Avant, RS7, RSQ8, SQ5 Sportback, SQ7, and SQ8 vehicles. The rear axle alignment may not have been inspected after the repairs for Recall 21V-295 (42L1) were performed.
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Frequently Asked Questions
What are the most common Audi S7 problems?
According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2021 Audi S7 has 8 documented issues. The most frequently reported are: Rear-Axle Lock Nut and Alignment Recall Follow-Up (21V295 / 22V034), Rear Seat-Belt Retractor Can Release a Child Restraint Early (Recall 21V606 / 69CS), Instrument Panel May Fail to Display Critical Safety Information (Recall 25V201 / 90VC). Of these, 6 are rated critical and should be addressed promptly.
Is the Audi S7 reliable?
The 2021 Audi S7 has 8 known issues compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports. 6 issues are rated critical: Rear-Axle Lock Nut and Alignment Recall Follow-Up (21V295 / 22V034) and Rear Seat-Belt Retractor Can Release a Child Restraint Early (Recall 21V606 / 69CS) and Instrument Panel May Fail to Display Critical Safety Information (Recall 25V201 / 90VC) and Rearview Camera Image May Not Display (Recall 25V900 / 90TV) and Incorrect Brake-Fluid Reservoir Cap Label (Recall 23V601 / 47T9) and Rear-Seat Liquid Spill Can Shut Down Gateway Module (Recall 22V861 / 90V2). Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.
How much does it cost to fix common Audi S7 problems?
Repair costs for known Audi S7 issues range from $250 to $1,800, depending on the specific problem and whether you choose DIY or professional repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.
What is the 2020-2021 Audi S7 Rear-Axle Lock Nut and Alignment Recall Follow-Up (21V295 / 22V034)?
Certain 2020-2021 S7 rear trailing-arm lock nuts can fracture from stress corrosion and misalign the rear axle. A follow-up recall covers vehicles whose alignment and tire condition may not have been checked after the first repair. Severity: high.
What is the 2021 Audi S7 Rear Seat-Belt Retractor Can Release a Child Restraint Early (Recall 21V606 / 69CS)?
Certain 2021 S7 rear automatic-locking retractors can deactivate early, preventing a child restraint from remaining secured as required by FMVSS 208. Severity: high.
What is the 2021 Audi S7 Instrument Panel May Fail to Display Critical Safety Information (Recall 25V201 / 90VC)?
Certain 2021 S7 instrument-panel modules can fail because of a software error, hiding the speedometer or safety warning indicators. Severity: high.
What is the 2020-2025 Audi S7 Rearview Camera Image May Not Display (Recall 25V900 / 90TV)?
Within the official 25V900 Part 573 model scope, certain 2020-2025 S7 vehicles can fail to display the rearview-camera image as intended because of a software error. Severity: high.
What is the 2021 Audi S7 Incorrect Brake-Fluid Reservoir Cap Label (Recall 23V601 / 47T9)?
Certain 2021 S7 vehicles may have an incorrectly labeled brake-fluid reservoir cap, which can lead to use of the wrong fluid and reduced braking ability. Severity: high.
What is the 2020-2022 Audi S7 Rear-Seat Liquid Spill Can Shut Down Gateway Module (Recall 22V861 / 90V2)?
On certain 2020-2022 S7 vehicles, liquid spilled in the rear seat can reach the gateway control module, shut it down, and suddenly reduce engine power. Severity: high.
What is the 2013-2022 Audi S7 Premature Front Brake Rotor Warping and Pad Wear?
Owners of the heavy A7/S7 frequently report premature front brake wear and rotor warping, with some replacing front rotors multiple times in well under 50k miles. The OEM rotors are relatively soft and reach minimum thickness after roughly one pad set, and uneven pad engagement l… Repairs typically run $600-$1,800. Severity: medium.
What is the 2013-2022 Audi S7 Power Liftgate Motor and Gas Strut Failure (Sportback Tailgate)?
The S7's large Sportback hatch uses a power liftgate driven by spindle/lift motors and supported by gas struts. Over time the gas struts lose pressure and the motors wear, so the hatch opens slowly or struggles, opens a few inches and stops, won't stay up (slowly drifting closed… Repairs typically run $250-$1,200. Severity: low.
Content on this page was compiled with AI assistance using NHTSA complaints, TSBs, owner reports, and public automotive data. While we strive for accuracy, this information may contain errors. Always verify repair procedures and specifications with your vehicle's service manual or a qualified mechanic.