Vehicle Data Hub

2009 Audi A4 engine problems

49 complaints about engine have been filed for the 2009 Audi A4, which is 33% of all its NHTSA complaints. It is the most reported problem area for this model year.

At a glance

Complaints
49 33% of this year's complaints
Typical mileage
78,000 miles 40 complaints with mileage
Crashes and fires
1 and 1
Injuries and deaths
0 and 0

Source: NHTSA owner complaints

When engine problems show up

Engine complaints by mileage, 2009 Audi A4 Complaints by odometer reading in 20,000-mile steps. The median is about 78,000 miles. 0k to 20k miles: 2 complaints 20k to 40k miles: 3 complaints 40k to 60k miles: 4 complaints 60k to 80k miles: 12 complaints 80k to 100k miles: 11 complaints 100k to 120k miles: 4 complaints 120k to 140k miles: 3 complaints 140k to 160k miles: 1 complaints 160k to 180k miles: 0 complaints 180k to 200k miles: 0 complaints 200k+ miles: 0 complaints 040k80k120k160k200k miles Typical: 78,000 miles
Based on 40 complaints that include mileage. 23% were reported before 60,000 miles. The amber marker shows the median: half of these complaints happened before that mileage.
View the numbers
MileageComplaints
0k to 20k miles2
20k to 40k miles3
40k to 60k miles4
60k to 80k miles12
80k to 100k miles11
100k to 120k miles4
120k to 140k miles3
140k to 160k miles1
160k to 180k miles0
180k to 200k miles0
200k+ miles0

What the data shows

Of the 40 engine complaints that report mileage, the median is about 78,000 miles, and 22% were reported before 60,000 miles.

These complaints mention 1 crash, 1 fire.

What owners wrote

Tl* the contact owns a 2009 audi a4. While the vehicle was parked, the contact found oil spills under the vehicle. While driving at various speeds, the engine warning light illuminated. In addition, the contact mentioned there was a burning odor of oil coming from the vehicle. The vehicle was taken to an independent mechanic where it was diagnosed that the rear main seal of the engine's crankshaft needed to be replaced. The vehicle was not repaired. The manufacturer was not notified of the failure.

Reported at 51,000 miles, September 2015 Fire

Just brought the car at 111,000 miles.just paid $170 dollars for an oil change at 111,000 miles. Oil light came on at 111,500 miles. One quart low on oil. These cars should be recalled. Own a 2005 audi a4. And will sell my car now and never buy a junk [xxx] audi again. Fix your junk!

Reported at 111,550 miles, April 2014

Other problems reported for the 2009 Audi A4

Engine problems in other years

Engine problems across all Audi models