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2021 Audi S8 problems, recalls and owner complaints

What the 2021 Audi S8 has been recalled for and what owners report, from official government data. Updated October 25, 2026.

  • 8safety recalls
  • 1owner complaint
  • 0crash reports
  • 0fire reports
  • 0injuries reported

The least complained-about Audi S8 year on file: 1 complaints, against an average of 7 for the other model years.

Every Audi S8 model year with its number of owner complaints. Pick a year to compare.

What goes wrong with the 2021 Audi S8?

The components named most often in the 1 owner complaints. One complaint can name several, so the shares can add up to more than 100%.

  1. Electrical System1 (100%)
  2. Engine1 (100%)
  3. Power Train1 (100%)

Has the 2021 Audi S8 been recalled?

8 U.S. safety recalls. Repairs are free at a franchised dealer; some are done over the air.

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." NHTSA campaign 25V900000 ยท December 19, 2025 ยท Risk and fix

Risk: A rearview image that does not display reduces the driver's view behind the vehicle, increasing the risk of a crash.

Fix: Dealers will update the software, free of charge. Owner notification letters were mailed January 14, 2026. Owners may contact Audi customer service at 1-800-253-2834. Audi's number for this recall is 90TV. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov on December 23, 2025.

Electrical System: Instrument Cluster/Panel Volkswagen Group of America, Inc. (Audi) is recalling certain 2021 SQ8, A6 SEDAN, A7, A8, Q7, Q8, RS6 Avant, RS7, RSQ8, S6 SEDAN, S7, S8, A6 Allroad, and SQ7 vehicles. Due to a software error, the instrument panel display may fail. NHTSA campaign 25V201000 ยท March 31, 2025 ยท Risk and fix

Risk: An instrument panel display that fails to show critical safety information, such as the speedometer or warning lights, increases the risk of a crash.

Fix: Dealers will update the instrument panel module software, free of charge. Owner notification letters were mailed April 24, 2025. Owners may contact Audi customer service at 1-800-253-2834. Audi's number for this recall is 90VC.

Back Over Prevention: Display Function Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2021 Audi A8, RS7, RS6 Avant, RS5 Sportback, RS5 Coupe, Q8, Q7, Q5 Sportback, S4 Sedan, Q5, A7, A6, A6 Allroad, A5 Sportback, A5 Coupe, A5 Cabrioleet, A4 Sedan, A4 Allroad, E-Tron Sportback Quattro, SQ7, S5 Cabriolet, E-Tron Quattro, SQ8, SQ5 Sportback, SQ5, S8, S7, S6 Sedan, S5 Sportback, S5 Coupe, 2022 E-Tron GT, and 2021-2022 RSQ8 vehicles. Due to a software issue, a blank or black screen may be displayed instead of the rearview camera image when the vehicle is placed in reverse gear. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 111, "Rear Visibility." NHTSA campaign 22V742000 ยท October 5, 2022 ยท Risk and fix

Risk: A blank rearview camera display can reduce the driver's rear visibility, increasing the risk of a crash.

Fix: Dealers will update the infotainment unit software, free of charge. Owner notification letters were mailed October 25, 2022. Owners may contact Audi's customer service at 1-800-253-2834. Volkswagen's number for this recall is 91DZ.

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. NHTSA campaign 22V034000 ยท January 26, 2022 ยท Risk and fix

Risk: Rear axle misalignment may cause premature or uneven tire wear, increasing the risk of a crash.

Fix: Dealers will inspect the rear axle, adjust the alignment as necessary, and replace any prematurely or unevenly worn tires, free of charge. Owner notification letters were mailed March 3, 2022. Owners may contact Audi customer service at 1-800-253-2834. Audi's number for this recall is 42L5.

Back Over Prevention: Sensing System: Camera Volkswagen Group of America, Inc. (Audi) is recalling certain 2021 Audi A8 and S8, 2022 Audi A5 Sportback, A4 Sedan, E-Tron GT, Q3, Q5, RS6 Avant, A3 Sedan, S5 Sportback, Q5 Sportback, Q7, Q8, RSQ8, SQ7, SQ8, and S3 Sedan vehicles. A software error may prevent the rear-view image from initially displaying when the vehicle begins to reverse. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 111, "Rear Visibility." NHTSA campaign 21V825000 ยท October 20, 2021 ยท Risk and fix

Risk: A rear-view camera that does not display an image reduces the driver's rear view, increasing the risk of a crash.

Fix: Dealers will update the infotainment unit parameters, free of charge. Owner notification letters were mailed November 9, 2021. Owners may contact Audi customer service at 1-800-253-2834. Audi's number for this recall is 91CR.

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." NHTSA campaign 21V606000 ยท August 5, 2021 ยท Risk and fix

Risk: An unsecured child restraint system can increase the risk of injury during a crash.

Fix: Dealers will inspect, and replace as necessary, the middle-rear seat belt assemblies, free of charge. Owner notification letters were mailed August 27, 2021. Owners may contact Volkswagen customer service at 1-800-893-5298 and Audi customer service at 1-800-253-2834. Volkswagen's numbers for this recall are 69CR (VW) and 69CS (Audi).

Suspension: Rear: Axle: Non-Powered Axle Assembly Volkswagen Group of America, Inc. (Audi) is recalling certain 2021 Q7, Q8, Q5 Sportback, SQ5 Sportback, RS6 Avant, RS7, RS Q8, 2020-2021 Audi S6 sedan, Q5, A8, S8, A7, A6 Allroad, A5 Cabriolet, A4 sedan, A4 Allroad, SQ5, S7, A6 sedan, S5 coupe, S4 sedan, S5 Cabriolet, A5 coupe, 2019-2021 RS5 coupe, A5 Sportback, S5 Sportback, RS5 Sportback vehicles. The lock nut on the trailing arm of the rear axle may break due to stress corrosion. NHTSA campaign 21V295000 ยท April 26, 2021 ยท Risk and fix

Risk: A broken lock nut may misalign the rear axle, causing a loss of control and increasing the risk of a crash.

Fix: Dealers will replace the lock nuts and, if necessary, the associated bolts, free of charge. Owner notification letters were mailed June 4, 2021. Owners may contact Audi customer service at 1-800-253-2834. Audi's number for this recall is 42L1.

Engine And Engine Cooling: Engine: Engine Control Module (Ecu/Ecm) Volkswagen Group of America, Inc. (Audi) is recalling certain 2019-2021 Audi A8 and 2020-2021 Audi S8 vehicles. A missing sealing pin may allow moisture to enter the engine control module connector, possibly causing a control module malfunction. NHTSA campaign 21V111000 ยท February 24, 2021 ยท Risk and fix

Risk: An engine control module malfunction may cause the engine to stall, increasing the risk of a crash.

Fix: Audi will notify owners, and dealers will inspect the engine control module connector for a missing sealing pin, and install it, if necessary. The connector will also be inspected for corrosion, and replaced as necessary. Repairs will be performed free of charge. The recall began March 12, 20121. Owners may contact Audi customer service at 1-800-253-2834. Audi's number for this recall is 97EV.

Is the 2021 Audi S8 recalled in the UK or Europe?

Recalls issued by the UK's DVSA and through the EU's Safety Gate system that cover this model and build period. European models can differ from U.S. ones, and "years estimated" means the recall gave no build dates, so confirm your own car with your registration or VIN.

EU Safety GateMoisture may enter into the engine control unit due to a missing sealing pin in one of the connectors.As a result, the engine may run in an emergency mode with reduced power or stall. Alert INFO/00143/21 ยท reported by Germany ยท Jul 30, 2021 ยท Measures

Measures: Type of economic operator taking notified measure(s): Manufacturer; Category of measure(s): Recall of the product from end users; Date of entry into force: Unknown

View on EU Safety Gate

EU Safety GateThe cylinder crankcase could be cracked, which could damage the pistons and consequently they may become jammed.This could lead to an engine failure, increasing the risk of an accident. Alert A12/00938/21 ยท reported by Germany ยท Jun 25, 2021 ยท Measures

Measures: Type of economic operator taking notified measure(s): Manufacturer; Category of measure(s): Recall of the product from end users; Date of entry into force: Unknown

View on EU Safety Gate

What do 2021 Audi S8 owners report?

1 of the 1 complaints, the most recent for the most-reported components, as the owners wrote them. NHTSA removes names and VINs; long reports are trimmed. CarHooq has not verified individual claims.

When started up on 11/17/22, multiple warning lights came on in rapid sequence advising of an electrical system & battery malfunction. Warning was to not drive the vehicle and contact service. I shut off the vehicle and re-started it. The same warnings were displayed. I was about 0.8 mile from the dealer so I attempted to drive it to their location. On the way, the warnings continued to show. After about 0.6 miles, the transmission fully disengaged from the engine. I coasted to the side of the street, shut off the vehicle, re-started it (same warnings showed) but the transmission was reset andโ€ฆ
Power Train, Electrical System, EngineNHTSA complaint 11499620 ยท Dec 31, 2022

2021 Audi S8: questions owners ask

Is the 2021 Audi S8 reliable?

NHTSA data alone cannot rate reliability, but it shows what owners reported. Owners filed 1 complaint with NHTSA about the 2021 Audi S8; the most common categories were electrical system (1, 100%), engine (1, 100%), power train (1, 100%). There are 8 safety recalls.

What are the most common problems with the 2021 Audi S8?

Across 1 owner complaint filed with NHTSA, the categories mentioned most often are electrical system (100% of complaints), engine (100% of complaints), power train (100% of complaints). One complaint can name several components.

Does the 2021 Audi S8 have any recalls?

Yes. NHTSA lists 8 recalls for the 2021 Audi S8; the most recent (campaign 25V900000, 2025-12-19) concerns Back Over Prevention: Sensing System: Camera. Recall repairs are free at a franchised dealer; check your VIN at nhtsa.gov/recalls.

Check your own S8

Counts are a starting point, not a verdict: popular models collect more complaints because more of them are on the road, and NHTSA does not verify individual reports. To see whether a recall is still open on your car, enter your VIN at nhtsa.gov/recalls (U.S.) or your registration at check-vehicle-recalls.service.gov.uk (UK). Had a safety problem? Report it to NHTSA; complaints are what trigger investigations and recalls.

Data: NHTSA Office of Defects Investigation recall and complaint databases (public domain), EU Safety Gate alerts (© European Union), retrieved October 25, 2026. Model year 2021 only.

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