This bulletin provides informatin when the engine does not run smoothly at idling speeds.
full bulletin at NHTSA ↗2009 Audi A5 engine problems
moderate 3 complaints filed with NHTSA · avg repair $3,100 · see engine across all vehicles →
Complaints
3
Recalls
0
Avg fix
$3,100
When does it fail?
Of the 3 engine complaints filed for the 2009 Audi A5, here's the actual mileage breakdown — failures cluster heaviest at 0-25,000 mi.
0-25k
25-50k
50-75k
75-100k
100-125k
125-150k
150k+
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
What stands out
Of the 6 model years of Audi A5 we track for engine problems, this one has the fewest owner complaints on file (3).
No new NHTSA engine complaint has been filed on this vehicle in over 11 years — the issue may be aging out of the active population.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering engine on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
This bulletin provides information when the MIL is on; DTCs for misfire, air/fuel ratio imbalance, or lean fuel system stored in the ECM P030000.
full bulletin at NHTSA ↗This bulletin provides informatin when the engine does not run smoothly at idling speeds.
full bulletin at NHTSA ↗This bulletin provides information on professional noise analysis with the VAS 611 015 PICO NVH Tool.
full bulletin at NHTSA ↗This bulletin provides information on checking for debris when replacing an engine.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 3 most recent
Water pump coolant campaign my auto body shop said my car is leaking coolant and theres a campaign out on the water pump. I'm asking if you could push the campaign through and recall the water pumps to fix this issue as I'm afraid my car will break down. *tr
The vehicle developed an engine surge when starting cold (heated garage 45) and moving approx 50 to 75 feet. The RPM surges from 500 to 1800rpm several times and will occasionally die. This seems to happen with various brands of premium fuel. The dealer claims they have added a fuel conditioner, replaced the high pressure fuel pump. Replaced the spark plugs and reprogrammed the engine computer.…
The water pump broke causing the coolant to leak and the "stop engine" warning light to come on. This happened while I was driving. I was able to put some water in the empty coolant tank - but all of the liquid leaked through. Steam was coming from the engine bay. The dealer advised that I put water in the coolant tank and drive to the facility as soon as possible. (it was about two miles…
Had engine trouble with your 2009 Audi A5?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the engine problem on the 2009 Audi A5?
It's a documented issue but not catastrophic. 3 complaints have been filed. Repairs average $3,100 and most owners catch it before it causes a breakdown.
At what mileage does the engine typically fail?
Based on the 3 complaints filed, engine issues most often appear around 4,250 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
What does it cost to fix?
Independent shops typically charge around $3,100 for engine repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to engine?
No active recalls currently cover engine issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2009/Audi/A5.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.