| 1 | 0 | 3 | 4 | 3 | 4 |
2011 Audi A4 / S4 / RS4 repairs by problem area
Engine (44%)
Transmission and Drivetrain (15%)
Brakes and Traction Control (4%)
Suspension and Steering (6%)
Electrical and Air Conditioning (20%)
Paint, Rust, Leaks, Rattles, and Trim (7%)
Other (2%)
Chart based on 309 repairs.
2011 Audi A4 / S4 / RS4 engine repair cost distribution
$2500+ (6%)
$1000 - $2499 (11%)
$500 - $999 (10%)
$100 - $499 (20%)
< $100 (53%)
Chart based on 110 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.
2011 Audi A4 4dr Wagon
turbocharged 211hp 2.0L I4 8-speed shiftable automatic AWD
| 30000 mi | Stage 1 fix for oil consumption (1 quart per 2000 miles). Replaced PCV and crank seals. Updated ECU. |
| 78000 mi US $150 |
Stage 2 fix for oil consumption (1 quart per 900 miles). Replaced pistons. |
| 104000 mi US $300 |
Replaced fuel injectors due to misfiring. |
| 73000 mi | Oil consumption test started on 21 Dec 2017. |
| 77000 mi US $400 |
Failed oil consumption - rebuild bottom end of engine - pistons, bearings, rings, timeing chain and chain tensioner - In addition new plugs and coil packs, |
| 24000 mi | Excess oil consumption problem due to high crank case pressure, new pistons, rings and all other items associated with the oil consumption AoA recall were replaced. In addition dealership replaced the timing belt and tensioner no charge. |
| 37000 mi | Crankcase breather/vent valve and crank seal replaced under warranty for oil consumption recall/testing program. Car undergoing oil consumption test. |
| 40000 mi | CEL came on. Replaced leaking PCV valve. |
| 65000 mi US $1300 |
Replaced engine mounts |
| 73000 mi US $622 |
MAF replaced |
| 81300 mi US $85 |
Leaking air valve. Replaced |
| 92000 mi | High oil consumption led to replacement of pistons |
| 112000 mi US $200 |
Coil packs needed replaced |
| 124000 mi US $2500 |
Timing chain stretched, tensioner failed, pistons hit valves |
| 61000 mi US $85 |
Failed coilpack |
| 64300 mi US $85 |
Failing coilpack causing misfires under acceleration. Coilpack replaced. |
| 66000 mi US $35 |
Failed coilpack |
| 71500 mi US $450 |
Leaking PCV valve; replaced |
2011 Audi A4 4dr Sedan
turbocharged 211hp 2.0L I4 8-speed shiftable automatic AWD
| 57000 mi US $1005 |
Oil pan drain plug replaced Had been stripped out.Just bought the car nobody would admit to causing the problem The audi dealership did the last service that showed up on car fax but said they didn't do damage the place I bought said i dont know |
| 69000 mi | Crankshaft pulley changed to fix oil consumption issue |
| 19000 mi | The car randomly stuttered then the engine would turn itself off. After several days of doing this eventually would not start at all. Replaced fuel control solenoid. |
| 42000 mi | The coil packs on each cylinder were replaced. The car was idling very rough, EPC and engine light came on while driving. |
| 55000 mi US $90 |
Oil separator pump was bad (too strong), caused air leakage through rear main engine seal. Oil separator pump replaced. |
| 63000 mi | Car consumes 1 quart of oil in about 1700 miles. Still in the testing phase. But the manager said Audi will likely be replacing the pistons and rings. |
| 63000 mi | If I had continued with the test they say it would have been enough to cover the piston and ring replacement, but I did trade it before completing the test. |
| 101000 mi US $550 |
Oil consumption issue, replaced PCV valve and front crankshaft seal |
| 103000 mi | Excessive Oil Consumption due to improper clearances. Replaced the pistons and piston rings. |
| 94000 mi | Just after 80,000 miles, my A4 began burning oil excessively. This was because of the known oil burning issue covered under the class action lawsuit up to 80,000 miles. Audi USA refused to assist in the repair - estimated at $7,000. |
| 103000 mi US $9000 |
My 2011 Audi A4 continues to burn oil at an alarming rate. Currently the reading will go from max to min within just over 1,000 miles. The issue became severe and was first looked at just over the 80,000 mile class action lawsuit warranty repair period. Audi USA refused to offer any assistance for what is clearly a manufacturing defect. I was quoted between 6k-9k to repair the issue myself, which means my car is totaled by this Audi manufacturing issue. |
| 112000 mi | Engine stalled twice while driving. Had it towed to the dealership where they determined it was a failing fuel pump. While it was in the shop, I also had regular maintenance performed. |
| 16200 mi | Car burns oil. Dealer replaced several parts and asked us to come back after 600 miles for inspection. |
| 16900 mi | Still burning oil, dealer installed new rings. Seems to have worked. The digital oil level sensor seems to be flaky now, but all else is ok. Once the sensor dies, dealer will replace. |
| 37000 mi | High oil consumption test part 1. |
| 45000 mi | Engine burning oil. Changed PCV valve. |
| 82000 mi US $150 |
Car was badly misfiring. Fixed with a can of fuel injection cleaner. |
| 91500 mi | Car was badly misfiring for the second time. This time they figured it was 2 ignition coils that needed to be replaced. |
| 94000 mi US $4250 |
Pistons and rings needed to be replaced. |
| 125000 mi US $200 |
2 ignition coils had to be replaced. Have replaced all 4 now. |
| 175000 mi US $100 |
Breather Valve Replacement |
| 267700 mi US $200 |
Engine Coil |
| 3100 mi | Transmission shifting roughly in 1st and 2nd gear both upshifting and downshifting. Dealer performed software upgrade for the problem. It is now definitely better, but not as smooth as I would like. |
| 28500 mi | Excessive oil consumption. Needed to add a quart after roughly 1300 miles. Dealer agreed to perform Phase I oil consumption test (still under warranty). Replaced crankcase valve seal and updated software. If doesn't work, Phase II is pistons and rings. |
| 48000 mi | Oil consumption problem has worsened again - have driven only 2400 miles before needing another quart. Dealer performing additional tests to determine next steps. Need to return to dealer after 1000 miles to measure consumption. |
| 26800 mi | Continuing oil consumption issues. Dealer replaced pistons and rings at no cost. |
| 78000 mi US $450 |
Replaced leaking valve cover gaskets and lower oil switch |
| 33000 mi US $100 |
Replace turbo |
| 77300 mi US $200 |
Misfire. Ignition coils replaced. |
| 20500 mi | Car would occasionally have a rough time starting. Engine would cough and revs would stay below 800RPM. |
| 48000 mi | Oil consumption test: piston rings were replaced. No charge as this is a known problem with Audis. |
| 56000 mi US $350 |
Oil separator failed leading to low oil pressure warning. Part was replaced |
| 110000 mi US $250 |
Replace water pump, water pump belt and lower pump hose (as precaution) |
| 90000 mi US $150 |
Turbo was giving underboost and overboost codes; had classic loose wastegate issue; turbo was replaced |
| 17000 mi | Engine was burning oil. |
2011 Audi A4 4dr Sedan
turbocharged 211hp 2.0L I4 8-speed shiftable CVT FWD
| 63000 mi US $600 |
Replaced leaking rear main seal. |
| 98000 mi US $100 |
Replaced ignition coils and PCV rubber parts. |
| 102000 mi US $800 |
Leak of coolant from water pump |
| 7000 mi | Rough idle after cold start. Fixed per TSB. |
2011 Audi A4 4dr Sedan
turbocharged 211hp 2.0L I4 6-speed manual AWD
| 97000 mi US $100 |
Oil consumption issue |
| 14000 mi | Felt like engine missing (erratic car vibration at idle, stopped). Dealer pulled codes, said no misfire. Returned car, will monitor and take back when more pronounced. |
| 46000 mi | Fuel cap failed pressure test during annual emissions inspection. Cap replaced. |
| 53000 mi US $110 |
Cylinder 4 misfires under heavy load. Check engine light came on. Replaced coils and spark plugs, fixed problem. |
| 65000 mi | Check Engine light came on, diagnostic indicated something related to nonsense intake position reading. Removed/cleaned throttle body, reinstalled. Cleared CEL, no additional message after 2k miles. |
| 71000 mi | Oil consumption jumped rather rapidly. Dealer replaced PCV as part of known issue. |
| 71500 mi US $300 |
Rough idle and acceleration. Opened up to do carbon cleaning on intake, and discovered intake manifold parts broken off and one blocking intake to cylinder 2. Cleaned carbon buildup and replaced intake manifold |
| 74000 mi | Stage 2 repair performed for excessive oil consumption. Replaced pistons and all seals. I had a damaged intake manifold and wonder if the cylinder ingested part of the manifold, damaging a piston ring. |
| 84000 mi US $5 |
Had a slow oil leak from the back solenoid used to adjust the exhaust cam. Had Audi replace pistons under warranty per engine oil consumption TSB stage 2. Technician failed to install o-ring on one of the 8 solenoids, leading to a small oil leak. Had to completely clean engine compartment to find where it was coming from. Repair took 5 minutes once I found it. |
| 152000 mi US $8149 |
Vehicle was suffering from oil consumption. I decided to have it rebuilt with new pistons as well as water pump, timing chain, clutch, and related parts, seals, and fluids. Essentially a total engine overhaul. It is no longer losing oil. |
| 27700 mi | Piston replacement due to high oil consumption. |
| 62620 mi C $175 |
Ignition coil pack was faulty. Audi dealer had part in stock and replaced. |
| 14260 mi | Occasional rough idle on start-up which would disappear after no more than 30 seconds. Dealer found trouble code and an existing TSB on the problem. Performed work which included an oil separator. |
| 29420 mi | occasional pre-detonation sound (pinging) on acceleration; occasional slightly rough idle which can occur at any time (warm/cold). |
| 41540 mi | knocking sound when accelerating e.g. 6th gear from 2,000 rpm. Happens intermittently. No codes. Used scope to look for carbon build up or leaking injector. Nothing found. Could not reproduce it again when measuring ignition timing. |
| 29920 mi | Excessive oil consumption |
| 89900 mi | Excessive oil consumption of 1 litre per 2000 km. Rebuilt engine with new pistons, rings, timing chain, timing chain tensioner, cam bridge. |
| 70800 mi US $700 |
Cooling fans running high-speed only; fans continue to run after engine off. Diagnosed as fan control module and relay. Fan control module not in stock; will schedule install once part arrives. |
| 80000 mi | car consuming 1 qt oil per 1100 miles. Proposed repair was to replace pistons and rings. Decided not to do the repair. |
| 52000 mi US $1000 |
Engine code P0299, turns out to be turbo charger failure. Issue is identical to this TSB, but Audi claims my VIN isn't covered. TSB#TSB-21-13-14 Summary: AUDI: ON SOME VEHICLES THE TURBOCHARGER WASTE GATE FLAP IS LOOSE. DTC P0299 |
| 64000 mi US $1000 |
Water pump replacement to fix CEL |
| 65131 mi | Stage 2 Oil Consumption |
| 30800 mi | I don't recall exactly what was replaced. Something had come loose and caused various issues. |
| 25000 mi | Failed water pump - slow leak. Installed: 06H121026CF water pumprnWHT006407 seal, 06H121131C union |
| 33000 mi | Engine idled rough. Dealer replaced ignition coils under warranty |
| 40000 mi US $246 |
Mis-fire due to ignition coil failure. Failure was likely an infant mortality failure as all ignition coils were replaced in October 2014, which is approximately 11,000 miles ago. |
2011 Audi A4 4dr Sedan
supercharged 333hp 3.0L V6 7-speed automated manual AWD
| 130000 mi US $1200 |
Car Running very hot. Limped into the shop. Discovered water pump leaking and thermostat likely stuck shut. Replaced water pump, thermostat along with fresh coolent. Excessive oil consumption, 1qt/500 miles. Replace PCV valve per TSB/ owner forum consensus. PCV valve is below the Supercharger unit and is a labor intensive process to get to. The part it's self is only about $150, but around 6 hrs of lbr |
| 63860 mi | Had to replace water pump and thermostat- car was on the verge of overheating. |
| 65660 mi | Decarbonizing of secondary air intake - warranty emissions CEL error light |
| 55800 mi | Thermostat replace |
| 39800 mi US $85 |
Oil sensor indicated low oil - even after adding 1.5 quarts there was no change in the the dashboard indicator, the fault was in the sensor, and in fact the oil was completely full all along. |
| 49300 mi | engine light indicated airflow issues - dealer found carbon build-up in secondary air intake. no misfires detected but covered under service bulletin extended warrantee |
| 57000 mi US $750 |
voltage regulator intermittent failure created over voltage errors for all systems, causing car to go into safe/limp mode. This took place after a minor rear end impact (jolt). Votage regulator replacement was done. |
| 59000 mi US $6000 |
Thermostat failure, resulted in car overheating initially intermittently, then continuously. This caused transmission failure due to electronics associated with mechatronics control unit for 7 speed DSG to fail. mechatronics unit replaced. |
| 64000 mi | Received check engine light. Code indicated excessive carbon build-up. This is a known issue with a TSB. Dealer performed service to clean valves and remove carbon. NOTE - when having this service get your belts replaced. Dealer missed this |
| 77000 mi US $50 |
"Spun bearing on cylinder 1 connecting rod. No bearing left and scoring on the crank shaft." Service manager said 'Catastrophic engine failure.' Engine replaced. |
| 112840 mi C $1000 |
Failed thermostat. |
| 48000 mi US $1200 |
Thermostat failure. Replaced with OEM part. Preemptive replacement of water pump and 45,000 maintenance performed as wel. |
| 45000 mi US $784 |
Thermostat failure |
| 60000 mi US $1100 |
Crank Pulley Separated and shredded accessory belt. New crank pulley, accessory belt and supercharger belt replaced. Car was modified with aftermarket supercharger pulley and tune. |
| 28000 mi | Thermostat failed in the closed position |
| 82000 mi US $600 |
Thermostat failed and was replaced. |
| 86800 mi C $800 |
Replace oil pan (corner rust bubble) & repair incorrect work done by Audi dealer - for transmission oil change (the vehicle was bought to a garage specializing in Audis.). |
| 89900 mi C $4000 |
Engine block seal failed, oil leaking from engine |
| 34000 mi US $1200 |
Thermostat stuck closed, flatbeded to dealer, was replaced previously on recall ~ 7k miles, now again at 33k miles |
| 49000 mi | Excessive oil consumption. Service performed per manufacturer TSB. Issue seems to be resolved |
| 72000 mi US $900 |
Thermostat replacement. |
| 28000 mi US $100 |
Engine thermostat |
| 35000 mi US $3200 |
Adaptive Cruise Control module, |
| 5000 mi | Coolant level low. System checked for leak, none found. Coolant added. |
| 15000 mi | Faulty thermostat was replaced under warranty |
| 33000 mi | secondary air ports clogged. Cleaned ports with pressure washer |
| 42000 mi | Engine using more oil than expected between changes. Replaced crank case breather. |
| 1000 mi | My DSG S4 shortshifts in manual mode. In automatic mode it will shift at redline no problem. Apparently most new S4s have this issue. |
| 3000 mi | Engine coolant thermostat replaced |
| While driving, coolant level warning came on and engine was overheating. Pulled over, towed car to dealership. Dealership noted "Thermostat was stuck closed" and replaced thermostat. |
| 42000 mi | Thermostat Failed. Leaked coolant. Thermostat Replaced under warranty. |
| 44500 mi | Low coolant level light. Found leaks in both radiators (regular & supercharger). Replaced radiators and installed protective grill. Repaired under warranty. |
| 29960 mi C $902 |
Carbon build-up on Secondary Air ports (extended warranty). Leaking coolant return hose. |
| 26000 mi | Low oil level warning alerted after 2500 miles (since last oil addition). Dealer performed oil consumption test and found oil consumption within spec. Interval to add oil dropped from 5K to 3K to now 2.5K. Regular service is at 10K. |
| 40000 mi US $7 |
Engine low on oil between oil changes. Added 1 quart. |
| 7000 mi | Thermostat got stuck. Warning light came on. Would have cost about $650 after labor and parts, but it was under warranty. Thermostat replaced. |
| 4200 mi | check engine light came on. it was a faulty evaporation valve. |
| 18000 mi | I experienced a single bout of unintended acceleration. I had to put the car in neutral in order to stop what was a somewhat heavy self acceleration. It only happened once. Dealership could not reproduce and therefore did nothing. |
| 32000 mi US $2000 |
A pressure valve in the engine needed to be replaced. The dealer claims that it may have gone bad because I don't drive the car often/long enough. |
| 52400 mi US $85 |
fuel pump replaced, fuel pump control unit replaced, crankcase regulating valve replaced (TSB) |
2011 Audi A4 4dr Sedan
supercharged 333hp 3.0L V6 6-speed manual AWD
| 15900 mi | Low coolant. |
| 11160 mi | Carbon buildup in the engine. |
| 40300 mi | Thermostat broken. Caused overheating |
| 14000 mi | Gas vapor leak occurring during warm weather. Hard to replicate. Nauseating smell. |
| 14000 mi | Gas vapor leak again. Replaced some parts that seem unrelated. I'll see if it continues. |
| 52100 mi US $800 |
Thermostat went bad again so engine was overheating. Second time since I owned the car. |
| 58900 mi C $50 |
Thermostat failed on vehicle. Seems to be the only thing that goes wrong with this car. Otherwise it's been very reliable. |
| 55000 mi US $1000 |
Noticed elevated temperature on dash gauge and radiator fans running full speed. No warning light indicated, but taken to shop. Thermostat failed closed. |
| 128000 mi US $2200 |
Made a left turn, heard a brief "rubbing" sound, and lost power steering. Pulled to side of road and found main serpentine belt shredded and blower belt kicked off. Car towed to shop. Crank harmonic pulley failed. Serpentine belt shredded, destroyed tensioner pulley and idler pulley. Damage to a plastic cooling pipe crossover on bottom front of motor. |
| 57040 mi | leaking coolant from water pump |
2011 Audi A4 / S4 / RS4
Engine not specified
| 2000 mi | Check engine light was on. Found the second bank intake was stuck open. Was taken back after the parts came in to be repaired. Took about 5 hours and they gave me a loaner car. |
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