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2021 Audi S8 Problems: 5 Issues Every Owner Should Know

2021 model year · NHTSA recalls, manufacturer TSBs, and owner forum reports · Updated July 2026

According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2021 Audi S8 has 5 documented known issues, with 2 rated critical. The most serious are 2020-2026 S8 Rearview/Top-View Camera Image May Not Display - Recall 25V900 and 2020-Early 2021 S8 Coolant-Pump Leak - Diagnosis Required. DIY maintenance guides at au7o.io.

Frequently Asked Questions

What are the most common Audi S8 problems?

According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2021 Audi S8 has 5 documented issues. The most frequently reported are: 2020-2026 S8 Rearview/Top-View Camera Image May Not Display - Recall 25V900, 2020-Early 2021 S8 Coolant-Pump Leak - Diagnosis Required, 2020-2024 S8 Air-Suspension Malfunction with J1135 Communication Fault - Diagnosis Required. Of these, 2 are rated critical and should be addressed promptly.

Is the Audi S8 reliable?

The 2021 Audi S8 has 5 known issues compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports. 2 issues are rated critical: 2020-2026 S8 Rearview/Top-View Camera Image May Not Display - Recall 25V900 and 2020-Early 2021 S8 Coolant-Pump Leak - Diagnosis Required. 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.

What is the 2020-2026 Audi S8 2020-2026 S8 Rearview/Top-View Camera Image May Not Display - Recall 25V900?

NHTSA recall 25V900 / Audi 90TV covers certain 2020-2026 S8 vehicles. Software may not be robust enough to recover a camera communication failure, so the rearview or Top View image may fail during a driving cycle and reduce rear visibility. This record is limited to 90TV and does… Severity: high.

What is the 2020-2021 Audi S8 2020-Early 2021 S8 Coolant-Pump Leak - Diagnosis Required?

Audi TSB 2065040/4 covers 2020 S8 vehicles and 2021 S8 vehicles through VIN 012194 with the 4.0 TFSI when a coolant warning, overheating or coolant loss is present and workshop diagnosis identifies the coolant pump as the leak source. It does not validate the former 2013-2018 the… Severity: high.

What is the 2020-2024 Audi S8 2020-2024 S8 Air-Suspension Malfunction with J1135 Communication Fault - Diagnosis Required?

Audi TSB 2059363/4 covers an air-suspension malfunction on 2020-2024 S8 vehicles when the suspension controller stores C1260F0 for no communication with the compressor control unit or U112100 with symptom code 262400 for a missing message. The bulletin identifies the electrical p… Severity: medium.

What is the 2020-2023 Audi S8 2020-2023 S8 High Oil Consumption and Updated Piston Rings - Diagnosis Required?

Audi TSB 2071114 applies to 2020-2023 S8 vehicles with the EA825 4.0L engine when the oil level is repeatedly low or measured consumption is excessive. Audi identifies a change to piston-ring geometry and an updated-ring production solution. This does not apply to the former 2013… Severity: medium.

What is the 2020-2021 Audi S8 2020-Early 2021 S8 Front Lower Guide-Link Hydro-Bushing Noise - Diagnosis Required?

Audi TSB 2058489/8 covers 2020 S8 vehicles and 2021 S8 vehicles through VIN 028090 with squeaking, creaking or rumbling from the front over uneven roads, sometimes perceived in the footwell or behind the dashboard. The lower guide-link hydro-bushing can be the source, and Audi no… Severity: low.

2021 Audi S8 Problems: 5 Issues Every Owner Should Know

All 5 Known Issues

2020-2026 Audi S8: 2020-2026 S8 Rearview/Top-View Camera Image May Not Display - Recall 25V900#

Common Symptoms

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Owner tips & cautions

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2020-2021 Audi S8: 2020-Early 2021 S8 Coolant-Pump Leak - Diagnosis Required#

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Owner tips & cautions

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2020-2024 Audi S8: 2020-2024 S8 Air-Suspension Malfunction with J1135 Communication Fault - Diagnosis Required#

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Owner tips & cautions

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2020-2021 Audi S8: 2020-Early 2021 S8 Front Lower Guide-Link Hydro-Bushing Noise - Diagnosis Required#

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2020-2023 Audi S8: 2020-2023 S8 High Oil Consumption and Updated Piston Rings - Diagnosis Required#

Common Symptoms

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Other Audi Models

Frequently Asked Questions

What are the most common Audi S8 problems?

Is the Audi S8 reliable?

What is the 2020-2026 Audi S8 2020-2026 S8 Rearview/Top-View Camera Image May Not Display - Recall 25V900?

What is the 2020-2021 Audi S8 2020-Early 2021 S8 Coolant-Pump Leak - Diagnosis Required?

What is the 2020-2024 Audi S8 2020-2024 S8 Air-Suspension Malfunction with J1135 Communication Fault - Diagnosis Required?

What is the 2020-2023 Audi S8 2020-2023 S8 High Oil Consumption and Updated Piston Rings - Diagnosis Required?

What is the 2020-2021 Audi S8 2020-Early 2021 S8 Front Lower Guide-Link Hydro-Bushing Noise - Diagnosis Required?