The 2013 Audi A6 is a sophisticated platform with typical German luxury complexity. The 3.0T supercharged V6 is generally solid, but the 2.0T has catastrophic engine failure issues. Transmission cooling and electronics are chronic weak points across all variants.
2.0T TFSI Catastrophic Engine Failure (Piston Ring Land Collapse)
Common · high severity
Typical onset: 60,000-100,000 mi
Symptoms: Excessive oil consumption (1qt per 1,000 mi or worse), Blue smoke on startup or acceleration, Misfires and rough idle, Complete loss of compression leading to no-start
Fix: This is the EA888 Gen 2 engine's Achilles heel. Piston ring lands crack due to carbon buildup and design weakness. No half-measures work—requires full engine rebuild or replacement. 25-35 hours labor for short block swap, more for full rebuild with machine work.
Estimated cost: $7,000-12,000
Transmission Oil Cooler Failure and Mechatronic Issues
Common · high severity
Typical onset: 70,000-120,000 mi
Symptoms: Harsh or delayed shifting, Transmission slipping or banging into gear, Limp mode activation, Oil contamination in coolant or vice versa from cooler failure
Fix: The ZF 8-speed and DL501 7-speed DSG both suffer from cooler leaks that contaminate fluid and kill the mechatronic unit. Oil cooler replacement is 6-8 hours, but if mechatronic is damaged, add another 8-12 hours. DSG mechatronic units often fail independently from software/solenoid issues.
Estimated cost: $2,500-6,500
Thermostat Housing and Coolant System Leaks
Common · medium severity
Typical onset: 60,000-100,000 mi
Symptoms: Coolant loss with no visible external leak, Overheating warnings, Sweet smell from vents, Visible coolant pooling under intake manifold
Fix: Plastic thermostat housings crack, and coolant flanges fail on all engines. Often requires intake manifold removal for access. 4-6 hours labor. Part of the NHTSA cooling system recall work, but many fail outside recall scope.
Estimated cost: $800-1,500
Carbon Buildup on Intake Valves (Direct Injection Issue)
Common · medium severity
Typical onset: 50,000-80,000 mi
Symptoms: Rough idle and hesitation, Misfires on cold start, Loss of power and poor fuel economy, Check engine light for multiple misfires
Fix: All direct-injection engines suffer this. Requires walnut blasting service every 50-60k miles. 4-6 hours labor depending on engine. Not a repair, it's maintenance, but owners don't expect it and it's expensive.
Estimated cost: $600-1,200
MMI and Electrical Gremlins (MMI Screen Failure, Module Glitches)
Occasional · low severity
Symptoms: Black screen or frozen MMI display, Backup camera not working, Navigation rebooting randomly, Climate control unresponsive
Fix: The MMI control unit and display fail from heat and age. Replacement is plug-and-play but requires coding. 2-3 hours. Used units are a gamble. This generation's electronics age poorly.
Estimated cost: $1,200-2,500
Fuel Filter Clogging and Fuel Pump Issues
Occasional · medium severity
Typical onset: 80,000-120,000 mi
Symptoms: Hard starting or long crank times, Stumbling under load, Limp mode on highway pulls, Fuel pressure codes
Fix: In-tank fuel filter isn't serviceable separately from pump assembly in many cases. Pump failures are common on neglected filters. Dropping the tank is 3-4 hours. Part of NHTSA fuel line recall issues, but pump itself isn't covered.
Estimated cost: $800-1,400
Front Lower Control Arm Bushings and Ball Joints
Common · low severity
Typical onset: 70,000-110,000 mi
Symptoms: Clunking over bumps, Steering wander or looseness, Uneven tire wear on inside edges, Vibration at highway speeds
Fix: Audi uses rubber bushings that deteriorate faster than competitors. Control arms are often replaced as assemblies rather than pressing bushings. 2-3 hours per side, alignment required. Budget for both sides at once.
Estimated cost: $1,000-1,800
Owner tips
Avoid the 2.0T engine entirely if buying used—seek out the 3.0T supercharged V6 which is far more reliable
Budget $600-1,200 every 50-60k miles for carbon cleaning on direct-injection engines—it's mandatory maintenance
Change transmission fluid every 40k miles regardless of 'lifetime fill' claims—cooler failures kill transmissions
Get a pre-purchase inspection that includes a borescope check of cylinders on 2.0T engines for carbon and ring damage
Buy a 3.0T V6 model with documented maintenance and avoid the 2.0T entirely—budget $2-3k/year for German luxury upkeep or walk away.
AI-assisted summary drawn from NHTSA recall data, our labor-times database, and platform knowledge. Not a substitute for a pre-purchase inspection on a specific vehicle.
Fitment notes: AGM battery required for start-stop system; located under trunk floor
As an Amazon Associate, OLP earns from qualifying purchases — how we link. This never changes the specs we publish.
Every control module on the 2012-2017 Audi A6 — where it lives, replacement time, and what it takes to program a replacement. Modules marked dealer / factory tool won't work after a part swap alone — budget for programming.
Aftermarket tool coverage varies by software version and vehicle build — treat "aftermarket tool" rows as "usually possible" and verify against your tool maker's coverage list before promising a customer. Spot a wrong location or hour? Tell us — corrections ship fast here.
AIR BAGS:SENSOR:OCCUPANT CLASSIFICATION · 18V370000
2018-06-04
Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2013-2018 Audi S6 and S7, 2012-2018 A7 and A6 Sedan, and 2014-2018 RS7 vehicles equipped with basic seats (with or without heating). Stress or wear of the body-sensing mat within the front passenger seat may cause the Passenger Occupant Detection System (PODS) control module to malfunction.
Consequence: If the PODS module malfunctions, the front passenger air bag may not deploy properly in the event of a crash, increasing the risk of injury.
Remedy: Volkswagen will notify owners, and dealers will install a PODS system repair kit, free of charge. The recall began November 29, 2018. Owners may contact Audi customer service at 1-800-253-2834. Volkswagen's number for this recall is 74D5.
ENGINE AND ENGINE COOLING:COOLING SYSTEM · 18V229000
2018-04-11
Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2013-2017 Audi A5 Cabriolet, A5 Sedan and Audi Q5 vehicles, 2012-2015 Audi A6 vehicles and 2013-2016 Audi A4 Sedan and A4 allroad vehicles. These vehicles, equipped with 2.0l Turbo FSI engines, have an electric coolant pump that can either become blocked with debris from the cooling system causing it to overheat or can short-circuit from moisture within the pump.
Consequence: A blocked pump or a short-circuited pump can increase the risk of a fire.
Remedy: Audi will notify owners, and dealers will replace the pumps, free of charge. The recall began September 14, 2018. Owners may contact Audi customer service at 1-800-253-2834. Audi's number's for this recall is 19N3/19N4. Note: This recall is in additional to the coolant pump software update applied as a remedy under recall 17V002.
FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS · 17V781000
2017-12-06
Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2012-2014 Audi A6 and A7 vehicles. The fuel line has a compression point that can weaken, potentially resulting in a fuel leak.
Consequence: A fuel leak in the presence of an ignition source, increases the risk of a fire.
Remedy: Audi will notify owners, and dealers will replace the fuel line, free of charge. The recall began February 5, 2018. Owners may contact Audi customer service at 1-888-237-2834. Volkswagen's number for this recall is 20AR.
ENGINE AND ENGINE COOLING:COOLING SYSTEM · 17V002000
2017-01-03
Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2013-2017 Audi A5, A5 Cabriolet and Q5 vehicles, 2013-2016 Audi Allroad and Audi A4 vehicles and 2012-2015 Audi A6 vehicles. These vehicles, equipped with 2.0l Turbo FSI engines, have an electric coolant pump that can be blocked with debris from the cooling system, resulting in the pump overheating.
Consequence: If the coolant pump overheats, it can increase the risk of a fire.
Remedy: Audi will notify owners, and dealers will update the software so that the power supply to the coolant pump is deactivated if the pump becomes blocked with debris, free of charge. The recall is expected to begin February 20, 2017. Owners may contact Audi customer service at 1-800-253-2834. Volkswagen's number for this recall is 19M1.
FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS · 16V646000
2016-09-07
Volkswagen Group of America, Inc. (Volkswagen) is recalling certain model year 2012-2013 Audi A6 and Audi A7 vehicles. The affected vehicles have a fuel hose in the engine compartment that may degrade and leak fuel.
Consequence: A fuel leak in the presence of an ignition source increases the risk of a fire.
Remedy: Audi will notify owners, and dealers will replace the under hood fuel pump and fuel hose, free of charge. The recall began November 2016. Owners may contact Audi customer service at 1-800-253-2834. Volkswagen's number for this recall is 24BZ.
AIR BAGS:SENSOR:OCCUPANT CLASSIFICATION · 15V823000
2015-12-08
Volkswagen Group of America, Inc. (Volkswagen) is recalling certain model year 2012-2013 Audi A6 vehicles manufactured March 28, 2011, to March 25, 2013, and 2012-2013 Audi A7 vehicles manufactured January 25, 2011, to March 19, 2013. In vehicles with heated and cooled seats, the Passenger Occupant Detection System (PODS), used to enable the front passenger air bags, may malfunction and prevent the passenger-side air bags from deploying in a crash.
Consequence: An air bag that does not deploy as intended increases the risk of occupant injury in a crash.
Remedy: Volkswagen will notify owners, and Audi dealers will install a PODS system repair kit, free of charge. The recall began on February 5, 2016. Owners may contact Audi customer service at 1-800-253-2834. Volkswagen's number for this recall is 74D1.
Performance
Horsepower
310hp
Torque
325lb-ft
0–60 mph
5.1sec
Quarter mile
13.7sec
Top speed
130mph
Capability & size
Curb weight
4,045lb
Wiper blades
C7 generation (2012-2018). Sedan body style has no rear wiper.
Size-standard part numbers — verify your connector type before buying. Rear blades are model-specific; check the package's vehicle list.
Fuel economy figures are EPA data via fueleconomy.gov (median across matching trims). Performance figures are compiled estimates for the 2013 Audi A6 3.0L Supercharged V6 and can vary by trim.
🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years and Jeff Moore · Master Lexus & Toyota Mechanic · 20+ years.