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2016 Audi A6 problems: engine and transmission complaints and recalls

HIGH COMPLAINT SIGNAL
59%
26 of 44 relevant owner complaints are about the engine, transmission or fuel system

59% of relevant owner complaints filed with NHTSA on the 2016 Audi A6 are about the engine, transmission or fuel system. That is a model-level pattern, not bad luck.

Worse than 79% of the 1,789 model years we track (2010–2023).

Excludes 7 airbag, lighting and seat-belt recall complaints that would otherwise mask the signal (unadjusted: 51%).

NHTSA data checked October 3, 2026
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Does the 2016 Audi A6 have engine problems?

Owner complaints say yes, as a model-year pattern. 26 of 44 relevant complaints filed with NHTSA about the 2016 Audi A6 concern the engine, transmission or fuel system (59%), and the largest group is filed under engine (17). On a test drive, check for stalling, loss of power, rough idle, oil consumption or a check-engine light. This describes the model year, not any one car: a well-maintained or already-repaired example can be fine, and a clean model year can still have a bad car in it.

Drivetrain complaints
26
engine, transmission, fuel
Total complaints
51
this model year
Fires reported
2
owner-reported
Recall campaigns
3
0 crashes · 1 injuries

Complaints by component

ENGINE17 · 33%
AIR BAGS8 · 16%
ELECTRICAL SYSTEM8 · 16%
FUEL/PROPULSION SYSTEM6 · 12%
POWER TRAIN5 · 10%
SERVICE BRAKES4 · 8%

The years either side

2010
too few complaints
2011
too few complaints
2012
57%
28 of 59
2013
57%
20 of 52
2014
32%
11 of 41
2015
too few complaints
2016
59%
26 of 51
2017
too few complaints
2018
too few complaints
2019
35%
40 of 114
2020
12%
4 of 33
2021
35%
9 of 26
2022
too few complaints
2023
too few complaints

Manufacturers fix things mid-generation. A bad year next to a clean one is common; the fix usually arrived in between.

Cleaner alternatives

Same car, a better year

Other luxury sedans with no elevated signal in 2016

The percentage is each model year's drivetrain complaint share. No elevated signal describes the model year, not any one car; a well-kept example of a flagged model can still be the right buy, and any of these still needs an inspection.

What owners reported

UNKNOWN OR OTHER,FUEL/PROPULSION SYSTEM03/29/2026
There is a recall out for “2016 Audi A6 vehicles” the recalls are “fuel system rail” as well as “coolant pump”. Both recalls are vin specific and what I find to be devastating is that both recall risk pertains to possible fire! I have the exact issues with my vehicle I even have the epc light coming on and the code is …
FUEL/PROPULSION SYSTEM12/30/2025
I own a 2016 Audi A6 3.0T. After filling the fuel tank completely, the vehicle only traveled approximately 190–200 miles before the fuel gauge indicated empty. This represents a sudden and significant loss of fuel range compared to normal operation. There are no warning lights, check engine lights, fuel smells, visibl…
ENGINE09/10/2025
The water pump on my 2016 Audi A6 has failed multiple times prematurely. The first water pump failed at 36,965 miles in May 2019. That repair was covered under an extended warranty I purchased. The second water pump failed around 83,000 miles in September 2025, and Audi is now quoting me $2,350 out of pocket to replace…

Three of 26 drivetrain complaints. The full report shows more, with quotes about the engine in the car you are looking at first.

Recall campaigns on the 2016 Audi A6 (3)

FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:FUEL RAIL
Volkswagen Group of America, Inc. (Audi) is recalling certain 2016-2018 Q7, A6 and A7 vehicles, and 2015-2018 Audi A8 vehicles. The left and right fuel rails may leak fu…
ELECTRICAL SYSTEM:WIRING
Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2015-2016 Audi A6 Sedans and 2015 Audi A7 vehicles. The auxiliary heater electrical connector on thes…
AIR BAGS:SENSOR:OCCUPANT CLASSIFICATION
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 se…

This does not say whether a particular car has an open, unrepaired recall. That depends on the VIN.

Before you buy a 2016 Audi A6

Questions people ask about the 2016 Audi A6

Does the 2016 Audi A6 have engine problems?

Owner complaints say yes, as a model-year pattern. 26 of 44 relevant complaints filed with NHTSA about the 2016 Audi A6 concern the engine, transmission or fuel system (59%). Before buying one, have an independent mechanic check the engine and ask the seller whether it has been repaired or replaced.

Are there engine or transmission recalls on the 2016 Audi A6?

NHTSA lists 3 recall campaigns on the 2016 Audi A6. Whether a specific car still has one open depends on its VIN.

Which Audi A6 years are better?

Among the Audi A6 years we track, the 2020 (12%), the 2014 (32%) and the 2019 (35%) have a lower engine and transmission complaint share than the 2016 (59%). Manufacturers fix things mid-generation, so the year before or after can be a different car.

Should I buy a 2016 Audi A6?

That depends on the car in front of you, not just the model year. The 2016 Audi A6 has an elevated engine complaint pattern, so treat it as a car that needs proof: service records showing engine work, a cold-start test drive, and an independent pre-purchase inspection focused on the engine. A well-kept or already-repaired example can be a fine car; an unknown one is a gamble.

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Experimental model-level information. This is not a vehicle inspection, vehicle-history report, financial advice or purchase recommendation. It describes patterns across a model year, not the condition of any individual vehicle.