2021 Audi RS7 Problems: 3 Known Issues
2021 model year · 384+ owner reports · Updated October 2026
According to Au7o's analysis of 384+ owner reports, the 2021 Audi RS7 has 3 documented known issues, with 1 rated critical. The most serious is 4.0T Twin-Turbo Coolant System Degradation ($900-$2,800 repair). The most commonly reported issue is 4.0T Carbon Deposit Accumulation with 260 owner reports. Across all issues with published estimates, repair costs range from $700 to $2,800. DIY maintenance guides at au7o.io.
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All 3 Known Issues
NHTSA Recalls3 recalls
EQUIPMENT:ELECTRICAL:INFOTAINMENT:VIDEO (TOUCH)SCREEN/MONITOR/UNIT
Volkswagen Group of America, Inc. (Audi) is recalling certain 2021-2022 AUDI A8, A6 Allroad, E-TRON Quattro, 2022 S3, RSQ8, RS7, RS6 Avant, Q8, Q7, Q3, E-TRON Sportback Quattro, S5 Cabriolet, E-TRON GT, S5 Sportback, A7, A6, A5 Sportback, A5 Cabriolet, A4, A4 Allroad, A3, S8, SQ7, SQ8, S6, and S4 vehicles. The infotainment main unit may become damaged internally when the vehicle is shut off, resulting in an inoperative rearview camera display the next time the vehicle is started. 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.
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Frequently Asked Questions
What are the most common Audi RS7 problems?
According to Au7o's analysis of 384+ owner reports, the 2021 Audi RS7 has 3 documented issues. The most frequently reported are: 4.0T Twin-Turbo Coolant System Degradation, 4.0T Carbon Deposit Accumulation, 2021-2025 RS7 Air-Suspension J1135 Communication Fault - TSB 2059363/6. Of these, 1 is rated critical and should be addressed promptly.
Is the Audi RS7 reliable?
The 2021 Audi RS7 has 3 known issues documented across 384+ owner reports. 1 issue is rated critical: 4.0T Twin-Turbo Coolant System Degradation. 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 RS7 problems?
Repair costs for known Audi RS7 issues range from $700 to $2,800, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, 4.0T Twin-Turbo Coolant System Degradation, typically costs $900-$2,800 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.
What is the 2014-2026 Audi RS7 4.0T Twin-Turbo Coolant System Degradation?
The RS7 4.0T V8 turbo coolant lines and connections can leak at the turbochargers. On 4.0L TFSI engines built within a specific production period (Audi Service Action 21F2, 2014-2015 RS7), the O-rings in the turbocharger coolant lines may be damaged, causing leaks between the coo… Repairs typically run $900-$2,800. Severity: high.
What is the 2014-2026 Audi RS7 4.0T Carbon Deposit Accumulation?
The RS7 4.0T is a direct-injection engine, so fuel does not wash the intake valves and carbon accumulates on them. Deposit buildup reduces airflow and causes misfires, rough idle, and measurable power loss. Repairs typically run $700-$1,500. Severity: medium.
What is the 2021-2025 Audi RS7 2021-2025 RS7 Air-Suspension J1135 Communication Fault - TSB 2059363/6?
Audi TSB 2059363/6 applies to air-suspension-equipped 2021-2025 RS7 vehicles when the instrument cluster reports an air-suspension malfunction and suspension control unit J775 stores C1260F0 (no communication) or U112100 (missing message), both with symptom code 262400. The bulle… Severity: medium.
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.