What are the most common Audi S7 problems?

According to Au7o's analysis of 468+ owner reports, the 2023-2023 Audi S7 has 2 documented issues. The most frequently reported are: 4.0T Biturbo Coolant Line and Thermostat Failure, Air Suspension Compressor and Strut Failure. Of these, 2 are rated critical and should be addressed promptly.

Is the Audi S7 reliable?

The 2023-2023 Audi S7 has 2 known issues documented across 468+ owner reports. 2 issues are rated critical: 4.0T Biturbo Coolant Line and Thermostat Failure and Air Suspension Compressor and Strut Failure. 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 $900 to $3,500, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, 4.0T Biturbo Coolant Line and Thermostat Failure, typically costs $900-$2,800 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.

2023 Audi S7 Problems: 2 Issues Every Owner Should Know

2023 Audi S7 Problems: 2 Issues Every Owner Should Know | Au7o

All 2 Known Issues

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Community Reported

257 owners

On the 2012-2024 Audi S7 4.0T, the S7 shares the 4.0T biturbo V8 cooling system issues with turbo coolant lines cracking under heat cycling. The thermostat housing also cracks, causing slow coolant loss that is hard to detect.

This issue also affects: Audi A3, Audi A6, Audi A8

Common Symptoms

Gradual coolant loss
Overheating during aggressive driving
Steam from engine bay
Low coolant warning
Sweet smell under hood
Temperature gauge fluctuation

How to Fix

Replace turbo coolant lines and thermostat housing. Use updated reinforced lines if available.

What Owners Are Using

Parts and tips from 257+ owners who fixed this issue

UpgradeTurbo Coolant Line Set (Genuine Audi #079121481F)
View on Amazon

Typical repair cost:$900 - $2,800

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257+ owners have reported this issue

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Community Reported

High Confidence257 reportsLast reported by owners Mar 2026Reviewed Mar 2026

Community Reported

211 owners

On the 2012-2024 Audi S7, the S7 adaptive air suspension system is prone to compressor burnout and strut bladder leaks. The sportback body style adds weight stress on rear struts. Compressor failures are often preceded by strut leaks overworking the pump.

Common Symptoms

Car sitting low on one corner
Suspension fault warning
Compressor noise or overheating
Bouncy ride
Uneven tire wear
Delayed ride height adjustment

How to Fix

Replace air struts and compressor. Check all air lines for cracks. Consider coilover conversion for long-term reliability.

What Owners Are Using

Parts and tips from 211+ owners who fixed this issue

UpgradeAir Suspension Compressor (Arnott #P-3514)
View on Amazon

Typical repair cost:$1,000 - $3,500

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211+ owners have reported this issue

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Community Reported

High Confidence211 reportsLast reported by owners Mar 2026Reviewed Mar 2026

⚠️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."

Campaign #25V90000019/12/2025

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.

Campaign #22V86100021/11/2022

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.

Campaign #22V15500014/03/2022

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."

Campaign #21V60600005/08/2021

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.

Campaign #22V03400026/01/2022

+ 5 more recalls. Check all on NHTSA.gov

Enter your VIN at NHTSA.gov to check recalls specific to your vehicle.

2023 Audi S7 Problems: 2 Issues Every Owner Should Know

All 2 Known Issues

2012-2024 Audi S7: 4.0T Biturbo Coolant Line and Thermostat Failure#

Common Symptoms

How to Fix

What Owners Are Using

Research This Issue

2012-2024 Audi S7: Air Suspension Compressor and Strut Failure#

Common Symptoms

How to Fix

What Owners Are Using

Research This Issue

Other Audi Models

Frequently Asked Questions

What are the most common Audi S7 problems?

Is the Audi S7 reliable?

How much does it cost to fix common Audi S7 problems?

What is the 2012-2024 Audi S7 4.0T Biturbo Coolant Line and Thermostat Failure?

What is the 2012-2024 Audi S7 Air Suspension Compressor and Strut Failure?