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2010 Audi S4

Owner reports · Recalls · Investigations

Limited comparison data

There is not enough comparable history to draw a useful model-year comparison.

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How this year compares

Owner complaints by model year

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Counts vary with age, sales and reporting. They are not failure rates.

What owners reported most

All reported categories

Tap a category to read its complaints. One report may name several components.

When problems were reported

Mileage at the reported incident

54 reports with mileage · 6 unknown

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Power Train. Review the 42 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Engine And Engine Cooling. Review the 11 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Electrical System. Review the 6 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

2 crash reports0 fire reports0 injury reports

What owners actually said

60 reports
13,000 miles · Jan 13, 2011
Engine And Engine Cooling

2010 AUDI S4 IN THE SAN FRAN BAY AREA, AFTER A WEEKEND DRIVE TO THE SNOW, FOUND A POOL OF COOLANT UNDER CAR AND JUST MED IT TO THE DEALER BEFORE WARNING LIGHT CAME ON. DEALER TOLD ME IT WAS COMMON. NO RECALL TO BE EXPECTED, ISN'T THIS ILLEGAL? I MAKE PHARMACEUTICALS AND IF I DON'T PERFORM A RECALL THIS IS AN ILLEGAL ACTION. *TR

NHTSA ODI #10376526

Mileage unknown · Jan 12, 2011
Engine And Engine Cooling

2010 AUDI S4. CONSUMER STATES VEHICLE HAS A MAJOR DESIGN FLAW IN THE WATER PUMP. *TGW AUDI ISSUED A SERVICE ADVISORY TO REPLACE THE WATER PUMP DUE TO A HIGH POTENTIAL FOR WATER PUMP FAILURE. THE CONSUMER WAS INFORMED THREE WEEKS LATER BY THE DEALER, THAT AUDI REMOVED THE ADVISORY DUE TO LACK OF SUPPLY AND THAT THE WATER PUMP W…

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2010 AUDI S4. CONSUMER STATES VEHICLE HAS A MAJOR DESIGN FLAW IN THE WATER PUMP. *TGW AUDI ISSUED A SERVICE ADVISORY TO REPLACE THE WATER PUMP DUE TO A HIGH POTENTIAL FOR WATER PUMP FAILURE. THE CONSUMER WAS INFORMED THREE WEEKS LATER BY THE DEALER, THAT AUDI REMOVED THE ADVISORY DUE TO LACK OF SUPPLY AND THAT THE WATER PUMP WOULD ONLY BE REPLACED IF THE VEHICLE BROKE DOWN. *JB

NHTSA ODI #10375607

11,000 miles · Dec 11, 2010
Engine And Engine Cooling

ON DEC 8, MY AUDI S4, MODEL YEAR 2010, BUILT END 2009, 11,000 MILES, STRANDED WITH A LEAKING COOLANT SYSTEM "OUT OF THE BLUE", DURING MODERATE HIGHWAY DRIVING. WARNING SYSTEM INDICATED TO TURN OFF ENGINE AND CHECK COOLANT. NOT NECESSARILY SAFE IN THE MIDDLE OF THE NIGHT ON A 8 LANE HIGHWAY. AUDI SERVICE DIAGNOSED AND REPLACED…

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ON DEC 8, MY AUDI S4, MODEL YEAR 2010, BUILT END 2009, 11,000 MILES, STRANDED WITH A LEAKING COOLANT SYSTEM "OUT OF THE BLUE", DURING MODERATE HIGHWAY DRIVING. WARNING SYSTEM INDICATED TO TURN OFF ENGINE AND CHECK COOLANT. NOT NECESSARILY SAFE IN THE MIDDLE OF THE NIGHT ON A 8 LANE HIGHWAY. AUDI SERVICE DIAGNOSED AND REPLACED A DEFECT WATER PUMP WITH AN "UPDATED MODEL" (METAL BODY, REPLACING THE "PLASTIC BODY MODEL"), AND REFERS TO THIS A DESIGN FLAW. THIS ISSUE IS WELL KNOWN TO AUDI FOR THE LATE-2009 BUILT 2010 S4S, BUT ALSO FOR Q5 AND A6 MODELS. YET AUDI DOES NOT INFORM THE OWNERS, WHILE THEY RECEIVE PROMOTIONAL MATERIALS ON A REGULAR BASIS. AUDI SERVICE WAS WELL PREPARED AND REPORTS THAT THEY CAN HARDLY MEET DEMAND OF NEW WATER PUMPS WITH INCOMING CASES. THE WATER PUMP FAILURE SEEMS TO BE PROMOTED BY COLD WEATHER (<-5C). ANECDOTAL EVIDENCE FROM THE TOWING COMPANY CONFIRMS THAT 2010 AUDI'S ARE PRONE TO BEING TOWED THIS EARLY 2010/2011 WINTER. CONSIDERING THE POTENTIAL SAFETY AND ENGINE DAMAGE IMPACT OF A SUDDEN LOSS OF ENGINE COOLING, IT IS IRRESPONSIBLE TO NOT INFORM OWNERS SO THEY CAN WATCH THEIR COOLANT LEVEL AND SEEK REPLACEMENT OF THE WATER PUMP. *TR

NHTSA ODI #10369955

9,800 miles · Dec 5, 2010
Engine And Engine Cooling

2010 AUDI S4 WITH V-6 3.0T ENGINE. RETURNING HOME AFTER A 7 MINUTE DRIVE, I WAS 300 FT. FROM MY HOUSE WHEN I RECEIVED AN ENGINE MESSAGE COOLANT LOW, TURN OFF ENGINE AND CHECK COOLANT. I STOPPED IN DRIVEWAY TO FIND MY WATER PUMP HAD BURST, AS WITH SEVERAL COMPLAINTS HERE. I KNEW ABOUT THIS PROBLEM, AS MORE THAN 50 OTHER AUDI S…

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2010 AUDI S4 WITH V-6 3.0T ENGINE. RETURNING HOME AFTER A 7 MINUTE DRIVE, I WAS 300 FT. FROM MY HOUSE WHEN I RECEIVED AN ENGINE MESSAGE COOLANT LOW, TURN OFF ENGINE AND CHECK COOLANT. I STOPPED IN DRIVEWAY TO FIND MY WATER PUMP HAD BURST, AS WITH SEVERAL COMPLAINTS HERE. I KNEW ABOUT THIS PROBLEM, AS MORE THAN 50 OTHER AUDI S4 OWNERS HAVE EXPERIENCED IT AND IT IS WELL DOCUMENTED ON AUDI OWNER'S FORUMS. MY CAR IS UNDRIVEABLE, AND WILL BE TOWED TO DEALER TOMORROW UNDER WARRANTY. AUDI OF AMERICA IS AWARE OF THIS PROBLEM AND HAS A CAMPAIGN TO REPLACE THE PUMPS SLOWLY, BUT REFUSES TO RECALL DESPITE THE POSSIBILITY OF ENDANGERING DRIVERS. AT THE VERY LEAST, WE SHOULD BE WARNED OF THIS POSSIBILITY. IT IS ONLY THROUGH OUR OWN RESEARCH AND COMMUNICATION THAT OWNERS ARE AWARE OF THE PROBLEM. *TR

NHTSA ODI #10369263

9,806 miles · Nov 15, 2010
Engine And Engine Cooling

WHILE DRIVING HOME FROM NEWARK AIRPORT ON NJ TURNPIKE AT 1 A.M., THE WATER PUMP FAILED ON MY 2010 AUDI S4. THE COOLANT WARNING INDICATED A PROBLEM. I MADE IT TO A SERVICE AREA WITHIN A FEW MILES. I DID NOT WANT TO STOP ON THE SIDE OF THE ROAD. I OPENED THE HOOD AND FOUND COOLANT SPLATTERED ALL OVER THE ENGINE WITH STEAM RISI…

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WHILE DRIVING HOME FROM NEWARK AIRPORT ON NJ TURNPIKE AT 1 A.M., THE WATER PUMP FAILED ON MY 2010 AUDI S4. THE COOLANT WARNING INDICATED A PROBLEM. I MADE IT TO A SERVICE AREA WITHIN A FEW MILES. I DID NOT WANT TO STOP ON THE SIDE OF THE ROAD. I OPENED THE HOOD AND FOUND COOLANT SPLATTERED ALL OVER THE ENGINE WITH STEAM RISING UP. THE CAR WAS UNSAFE TO DRIVE AND HAD TO BE TOWED TO THE DEALER IN EDISON, NJ. THE WATER PUMP WAS REPLACED BY A REDESIGNED UNIT. AUDI HAS BEEN AWARE OF THE PROBLEM AND THIS DEALER HAD OVER 100 VEHICLES RECENTLY TOWED IN THE LAST WEEK OR SO. I BELIEVE THAT IN CANADA AUDI VEHICLES HAVE BEEN RECALLED. THE WATER PUMP SHOULD BE REPLACED WITH THE NEW UNIT BEFORE CARS GET STRANDED ON THE SIDE OF THE ROAD. *TR

NHTSA ODI #10365874

12,000 miles · Nov 1, 2010
Engine And Engine Cooling

MY CAR LEAKED A LARGE AMOUNT OF COOLANT NOTICED AFTER IT HAD BEEN PARKED. I MANAGED TO DRIVE IT TO DEALER WHERE THE WATER PUMP WAS REPLACED UNDER WARRANTY. I WAS TOLD THAT THE PLASTIC SEAL ON THE PUMP HAS FAILED WITH OTHER CUSTOMERS AND WAS REPLACED WITH A NEW METAL SEAL. *TR

NHTSA ODI #10363621

6,900 miles · Oct 23, 2010
Engine And Engine Cooling

2010 AUDI S4 WATER PUMP FAILURE. *TR

NHTSA ODI #10362075

5,800 miles · Oct 2, 2010
Engine And Engine CoolingSteering

2010 AUDI S4 WATER PUMP FAILURE -- THIS COMPLAINT IS IDENTICAL TO THE PREVIOUS TWO COMPLAINTS SURROUNDING THIS MODEL'S WATER PUMP FAILURE. IT SHOULD BE NOTED THAT A NEAR FULL LOSS OF STEERING DIRECTLY RELATED TO THIS FAILURE OCCURRED AT THE SAME TIME. IN MY CASE THE CAR HAS BEEN REPAIRED, HOWEVER LIKE OTHERS WHO HAVE DETAILED…

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2010 AUDI S4 WATER PUMP FAILURE -- THIS COMPLAINT IS IDENTICAL TO THE PREVIOUS TWO COMPLAINTS SURROUNDING THIS MODEL'S WATER PUMP FAILURE. IT SHOULD BE NOTED THAT A NEAR FULL LOSS OF STEERING DIRECTLY RELATED TO THIS FAILURE OCCURRED AT THE SAME TIME. IN MY CASE THE CAR HAS BEEN REPAIRED, HOWEVER LIKE OTHERS WHO HAVE DETAILED THEIR EXPERIENCES, AUDI HAS NOT ACKNOWLEDGED THIS IS A SYSTEMIC ISSUE FOR THIS MODEL, NOR IS THE REPAIR SATISFACTORY AS THE DISTINCT ODOR OF G-12 (G-30 IN EUROPE) IS PRESENT. THOUGH THIS IS A SAFETY ISSUE FIRST, IT IS ALSO A CONSUMER PROTECTION MATTER AS THE BOTH THE DEALER AND AUDI OF AMERICA WHO I HAVE BEEN IN COMMUNICATIONS WITH HAS NOT BEEN CLEAR ABOUT THIS ISSUE. *TR

NHTSA ODI #10358825

Mileage unknown · Aug 30, 2010
Engine And Engine Cooling

THIS HAS BEEN A KNOWN ISSUE TO MANY 2010 AUDI S4 OWNERS. MANY OF THEM REPORTED A WATERPUMP FAILURE BASICALLY UNDER ANY CIRCUMSTANCES, I.E., HIGHWAY DRIVING, CORNERING, AND LOW SPEED DRIVING. 2010 AUDI S4 PRODUCED IN 2009 CLEARLY HAVE A DEFECTIVE WATER PUMP, WHICH TEND TO MOSTLY FAIL PRIOR TO 10K MILES ON THE CAR. MANY S4 OWNERS …

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THIS HAS BEEN A KNOWN ISSUE TO MANY 2010 AUDI S4 OWNERS. MANY OF THEM REPORTED A WATERPUMP FAILURE BASICALLY UNDER ANY CIRCUMSTANCES, I.E., HIGHWAY DRIVING, CORNERING, AND LOW SPEED DRIVING. 2010 AUDI S4 PRODUCED IN 2009 CLEARLY HAVE A DEFECTIVE WATER PUMP, WHICH TEND TO MOSTLY FAIL PRIOR TO 10K MILES ON THE CAR. MANY S4 OWNERS AND FORUM MEMBERS REPORTED MANY KINDS OF HAZARD THAT THIS FAILURE CAN BRING, INCLUDING COOLANT SPILLING THAT CAN POTENTIALLY HARM THE SURROUNDING MOTORISTS (SLIPPERY SURFACE CAUSED BY OILY COOLANT) AND THE LOSS OF POWER STEERING WHICH CAN BE EXTREMELY DANGEROUS ON HIGHWAY. MY WATER PUMP HAS NOT FAILED YET, BUT FROM THE FAILURE RATIO SHOWN ON A AUDI S4 OWNER FORUM, IT CAN BE CLEARLY SEEN THAT MOST OF THESE WATER PUMPS WILL EVENTUALLY FAIL AT ANY MILEAGE. I AM SERIOUSLY WORRIED ABOUT ENDANGERING OTHERS, MYSELF, OR MY FAMILY MEMBERS BECAUSE OF THIS POTENTIAL FAILURE ON THE WATER PUMP OF 2009-PRODUCED 2010 S4. I WOULD APPRECIATE YOUR CONCERN OVER THIS ISSUE. *TR

NHTSA ODI #10352656

5,000 miles · Aug 29, 2010
Engine And Engine Cooling

I AM WRITING TO COMPLAIN ABOUT A DESIGN FLAW THAT HAS BEEN IDENTIFIED IN THE WATERPUMP USED IN THE 2010 AUDI S4 3.0T. SEVERAL OWNERS HAVE EXPERIENCED A WATERPUMP FAILURE WHICH RESULTS IN THE VEHICLE OVERHEATING AND PARTIAL OR FULL LOSS OF POWER STEERING. OWNERS WHO HAVE EXPERIENCED FAILURE HAVE HAD THEIR 'BLACK PLASTIC' WATERP…

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I AM WRITING TO COMPLAIN ABOUT A DESIGN FLAW THAT HAS BEEN IDENTIFIED IN THE WATERPUMP USED IN THE 2010 AUDI S4 3.0T. SEVERAL OWNERS HAVE EXPERIENCED A WATERPUMP FAILURE WHICH RESULTS IN THE VEHICLE OVERHEATING AND PARTIAL OR FULL LOSS OF POWER STEERING. OWNERS WHO HAVE EXPERIENCED FAILURE HAVE HAD THEIR 'BLACK PLASTIC' WATERPUMPS REPLACED WITH A REVISED 'ALUMINUM WATERPUMP'. SEVERAL OWNERS HAVE COMPLAINED ABOUT THIS ISSUE ON VARIOUS ENTHUSIAST FORUMS, BUT THE MANUFACTURER HAS FAILED TO ACKNOWLEDGE THE PROBLEM AND ISSUE A RECALL. IT IS EVIDENT THAT THE WATERPUMP IS A TICKING TIME BOMB THAT NEEDS TO BE REPLACED SO INDIVIDUALS ARE NOT 1) LEFT STRANDED ON THE SIDE OF THE ROAD, 2) SUBJECT TO AN AUTOMOBILE ACCIDENT DUE TO LACK OF POWER STEERING, OR 3) AT RISK DUE TO AN OVERHEATING VEHICLE. I PERSONALLY HAVE NOT EXPERIENCED THE FAILURE ON MY VEHICLE, BUT I AM SUBMITTING THIS COMPLAINT IN HOPES THAT NHTSA WILL WORK WITH AUDI TO ISSUE A PROMPT RECALL FOR ALL AFFECTED OWNERS. I DO HAVE THE OLD REVISION OF THE WATERPUMP ('BLACK PLASTIC') ON MY VEHICLE AND I AM WORRIED THAT I MAY EVENTUALLY EXPERIENCE A FAILURE. THE FOLLOWING ARE SOME POSTS ON VARIOUS ENTHUSIAST BOARDS THAT HIGHLIGHT THE ISSUE: HTTP://WWW.AUDIZINE.COM/FORUM/SHOWTHREAD.PHP/382525-ANOTHER-WATERPUMP-BITES-IT...?HIGHLIGHT=WATERPUMP HTTP://WWW.AUDIZINE.COM/FORUM/SHOWTHREAD.PHP/317505-B8-S4-WATER-PUMP-FAILURE?HIGHLIGHT=WATERPUMP HTTP://WWW.AUDIZINE.COM/FORUM/SHOWTHREAD.PHP/352343-PROBLEMS-SO-FAR...-TODAY-THE-WATER-PUMP-BLEW?HIGHLIGHT=WATERPUMP HTTP://WWW.AUDIZINE.COM/FORUM/SHOWTHREAD.PHP/349318-MY-COOLANT-BROKE!!?HIGHLIGHT=WATERPUMP HTTP://FORUMS.AUDIWORLD.COM/SHOWTHREAD.PHP?T=2789310&HIGHLIGHT=WATERPUMP HTTP://FORUMS.AUDIWORLD.COM/SHOWTHREAD.PHP?T=2789742&HIGHLIGHT=WATERPUMP HTTP://FORUMS.AUDIWORLD.COM/SHOWTHREAD.PHP?T=2774524&HIGHLIGHT=WATERPUMP HTTP://FORUMS.AUDIWORLD.COM/SHOWTHREAD.PHP?T=2773666&HIGHLIGHT=WATERPUMP. *TR

NHTSA ODI #10352596

Official recalls

0

No recalls in this snapshot.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

0

No exact-year investigations in this snapshot.