2016 Audi A4 Problems: 3 Known Issues
2016 model year · 920+ owner reports · Updated October 2026
According to Au7o's analysis of 920+ owner reports, the 2016 Audi A4 has 3 documented known issues, with 1 rated critical. The most serious is 2007-2013, 2015-2016 A4 2.0T Coolant Leak at Pump or Thermostat - TSB 2061604/5. The most commonly reported issue is Coolant Flange/Fitting Leaks with 920 owner reports. Across all issues with published estimates, repair costs range from $150 to $500. DIY maintenance guides at au7o.io.
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All 3 Known Issues
NHTSA Recalls5 recalls
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.
SUSPENSION:REAR:AXLE:NON-POWERED AXLE ASSEMBLY
Volkswagen Group of America, Inc. (Audi) is recalling certain 2021 Q7, Q8, Q5 Sportback, SQ5 Sportback, RS6 Avant, RS7, RS Q8, 2020-2021 Audi S6 sedan, Q5, A8, S8, A7, A6 Allroad, A5 Cabriolet, A4 sedan, A4 Allroad, SQ5, S7, A6 sedan, S5 coupe, S4 sedan, S5 Cabriolet, A5 coupe, 2019-2021 RS5 coupe, A5 Sportback, S5 Sportback, RS5 Sportback vehicles. The lock nut on the trailing arm of the rear axle may break due to stress corrosion.
BACK OVER PREVENTION:DISPLAY FUNCTION
Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2021 Audi A8, RS7, RS6 Avant, RS5 Sportback, RS5 Coupe, Q8, Q7, Q5 Sportback, S4 Sedan, Q5, A7, A6, A6 Allroad, A5 Sportback, A5 Coupe, A5 Cabrioleet, A4 Sedan, A4 Allroad, E-Tron Sportback Quattro, SQ7, S5 Cabriolet, E-Tron Quattro, SQ8, SQ5 Sportback, SQ5, S8, S7, S6 Sedan, S5 Sportback, S5 Coupe, 2022 E-Tron GT, and 2021-2022 RSQ8 vehicles. Due to a software issue, a blank or black screen may be displayed instead of the rearview camera image when the vehicle is placed in reverse gear. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 111, "Rear Visibility."
SEATS
Volkswagen Group of America, Inc. (Audi) is recalling certain 2017-2020 A4 Allroad, A4 Sedan, 2018-2019 RS5 Coupe, 2019 RS5 Sportback, 2018-2020 A5 Cabriolet, A5 Coupe, A5 Sportback, S4 Sedan, S5 Cabriolet, S5 Coupe, and Audi S5 Sportback vehicles. The cable connecting the seat heater to the Passenger Occupant Detection System (PODS) may have a contact fault, causing the software to misdiagnose a malfunction and disable the passenger air bag.
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."
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Frequently Asked Questions
What are the most common Audi A4 problems?
According to Au7o's analysis of 920+ owner reports, the 2016 Audi A4 has 3 documented issues. The most frequently reported are: 2007-2013, 2015-2016 A4 2.0T Coolant Leak at Pump or Thermostat - TSB 2061604/5, Coolant Flange/Fitting Leaks, 2009-2021 A4 2.0T Gasoline-Quality Deposit Diagnosis - TSB 2014753/13. Of these, 1 is rated critical and should be addressed promptly.
Is the Audi A4 reliable?
The 2016 Audi A4 has 3 known issues documented across 920+ owner reports. 1 issue is rated critical: 2007-2013, 2015-2016 A4 2.0T Coolant Leak at Pump or Thermostat - TSB 2061604/5. 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 A4 problems?
Repair costs for known Audi A4 issues range from $150 to $500, depending on the specific problem and whether you choose DIY or professional repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.
What is the 2007-2016 Audi A4 2007-2013, 2015-2016 A4 2.0T Coolant Leak at Pump or Thermostat - TSB 2061604/5?
Audi TSB 2061604/5 applies to A4 2.0TFSI vehicles for model years 2007-2013 and 2015-2016 when the coolant-temperature warning is on or clear coolant marks are visible under the front of the vehicle or engine compartment, the leak can be reproduced, and pressure testing localizes… Severity: high.
What is the 2009-2018 Audi A4 Coolant Flange/Fitting Leaks?
Various plastic coolant flanges and fittings can crack and leak, particularly on the side of the engine. These plastic components become brittle with age and heat exposure. Multiple leak points possible. Repairs typically run $150-$500. Severity: medium.
What is the 2009-2021 Audi A4 2009-2021 A4 2.0T Gasoline-Quality Deposit Diagnosis - TSB 2014753/13?
Audi states that contaminated gasoline or gasoline with insufficient deposit-control additives can contribute to deposits on intake valves, the intake manifold, fuel injectors and combustion chambers. Possible results include rough running after cold start, extended cranking, hes… Severity: medium.
Content on this page was compiled with AI assistance using NHTSA complaints, TSBs, owner reports, and public automotive data. While we strive for accuracy, this information may contain errors. Always verify repair procedures and specifications with your vehicle's service manual or a qualified mechanic.