YearToAvoid

2006 Audi A4 Cabriolet Reliability Data: Problems & Recalls

No verdict The 2006 Audi A4 Cabriolet has 3 NHTSA complaints, a complaint index of 0, and ranks lowest-risk among the 4 model years with data (rank 4 of 4, worst-first). It carries 1 recall for Takata airbag inflators.

Based on NHTSA complaints per model-year, not a reliability rating. Methodology

YearToAvoid Scorecard

Complaint Index
0/100
#4 of 4 A4 Cabriolet years
Verdict
No verdict
vs. other years of this model
Complaints
3
unique NHTSA reports
Recalls
1
distinct NHTSA campaigns
Crashes
1
reported in complaints
Fires
0
Injuries
0
Top issue
Electrical System
Best nearby year
2008
rated Good
NHTSA overall rating
Not rated
EPA combined MPG
20.5
18 city / 25.5 hwy
Injuries / deaths
0 / 0

Top 2006 Audi A4 Cabriolet problems

Share of this year’s NHTSA complaints by component group. Groups with 15+ complaints have their own page.

  1. Electrical System2 (67%)
  2. Airbags1 (33%)
  3. Engine1 (33%)
  4. Transmission & Powertrain1 (33%)

A complaint can list more than one component, so shares add up to more than 100%. Shares are % of complaints.

What owners report

  • Right headlight (dipped beam) fails intermittently, sometimes going out and returning without a clear cause.
  • Headlight and headlight ignition components have needed replacement after diagnostic work.
  • A Takata airbag inflator defect was flagged during a routine service appointment rather than after a crash.
2006 Audi A4 Cabriolet complaints: complaints filed per month1Jan 2017Mar 2017May 2017
3 complaints filed with NHTSA from Jan 2017 to May 2017; peak Jan 2017 (1).

2006 Audi A4 Cabriolet recalls

1 NHTSA recall campaign list this model year.

  1. NHTSA 16V079000Feb 10, 2016Airbags151,767 vehicles

    Air bags:frontal:driver side:inflator module

    Volkswagen Group of America, Inc. (Volkswagen) is recalling certain model year 2006 Volkswagen Passat sedans and wagons, 2005-2013 Audi A3, and 2006-2009 Audi A4 Cabriolet vehicles. Upon deployment of the driver's frontal air bag, excessive internal pressure may cause the inflator to rupture.

    Risk: In the event of a crash necessitating deployment of the driver's frontal air bag, the inflator could rupture with metal fragments striking the driver or other occupants resulting in serious injury or death.

    Remedy: Volkswagen will notify owners, and dealers will replace the driver's frontal air bag inflators, free of charge. The recall began March 2017. Volkswagen owners may contact Volkswagen customer service at 1-800-893-5298. Audi owners may contact Audi customer service at 1-800-253-2834.

2006 Audi A4 Cabriolet fuel economy and fuel cost

City
18 MPG
Highway
25.5 MPG
Combined
20.5 MPG
Annual fuel cost (EPA)
$3,950
15,000 mi/yr
Fuel
Premium
Current regular gas
$4.32/gal
national avg.

EPA figures; median across configurations of this model year. Estimate your own cost with the fuel cost calculator.

2006 compared with other A4 Cabriolet years

Complaint Index by model year (0 = fewest issues, 100 = most)02550751002006200720082009
Complaint Index: 0 = fewest issues, 100 = most, relative to other years of this model. Avoid Caution Good Best
YearVerdictIndexComplaintsRecallsMPG
2006No verdict03120.5
2007Caution6723322
2008Good3316322

All Audi A4 Cabriolet years: best and worst →

Frequently asked questions

Is the 2006 Audi A4 Cabriolet reliable?
Based on NHTSA owner complaints and recalls, the 2006 model has only 3 complaints and a complaint index of 0, the lowest among the 4 A4 Cabriolet years with data.
What are the most common problems on the 2006 Audi A4 Cabriolet?
NHTSA data shows the top problem area is the electrical system, accounting for 2 of the 3 complaints (67%), mainly involving headlight issues.
Does the 2006 Audi A4 Cabriolet have any recalls?
Yes, one recall (campaign 16V079000) covers Takata driver's frontal airbag inflators that can deploy improperly; dealers replace the inflator free of charge.
How does the 2006 A4 Cabriolet compare to other years?
It ranks 4th of 4 years worst-first, meaning it has the fewest reported complaints; 2009 has the highest complaint index at 100 and an Avoid verdict, while 2008 is rated Good.
What is the fuel economy of the 2006 Audi A4 Cabriolet?
EPA rates it at 20.5 mpg combined (18 city / 25.5 highway), with an estimated annual fuel cost of $3,950.

Sources: NHTSA Office of Defects Investigation complaint and recall databases; U.S. EPA fuel economy data; NHTSA 5-Star Safety Ratings. Complaints are unverified owner reports.

Data updated Sep 24, 2026. Read the methodology and data sources. The Complaint Index is based on NHTSA owner complaints and recalls; it is not a reliability rating.