Problems · NHTSA complaints

2006 Subaru Legacy problems

Owners filed 87 complaints about the 2006 Subaru Legacy with NHTSA between Jan 2006 and Oct 2022. The most-cited component is vehicle speed control (30).

Complaints
87
Filed with NHTSA
Crashes
6
Reported by owners
Fires
1
Reported by owners
Injuries
6
People reported injured
Deaths
1
Reported to NHTSA
01 —By component

Complaints by component

One complaint can cite several components
  1. Vehicle speed control30
  2. Electrical system17
  3. Engine16
  4. Air bags13
  5. Fuel/propulsion system12
  6. Service brakes9
  7. Power train8
  8. Engine and engine cooling4
  9. Suspension4
  10. Fuel system, gasoline3
  11. Wheels2
  12. Service brakes, hydraulic2
  13. Electronic stability control (esc)2
  14. Steering2

Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.

Data from NHTSA Complaints API · synced Oct 27, 2026NHTSA vehicle page
02 —Trend

When complaints were filed

Does it get worse with age? Complaints per calendar year filed
View as table
Model yearComplaints filed per calendar year
20066
20070
20085
20090
20102
20111
20125
201314
201412
20155
201611
201713
20184
20194
20203
20211
20221

Mileage at failure isn’t a structured field in NHTSA complaint data, so we don’t chart it. Some owners mention it in their reports below.

03 —Owner reports

Top problems in owners’ words

Verbatim from NHTSA complaints, newest first

Vehicle speed control

30 reports
“TL* THE CONTACT OWNS A 2006 SUBARU LEGACY OUTBACK. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 35 MPH, THE ACCELERATOR PEDAL WAS DEPRESSED TO THE FLOORBOARD HOWEVER, THE VEHICLE FAILED TO RESPOND. THE VEHICLE WAS NOT TAKEN TO BE DIAGNOSED NOR REPAIRED. NEITHER THE DEALER NOR THE MANUFACTURER WERE CONTACTED NOR NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 125,000. THE VIN WAS NOT AVAILABLE.”
Owner complaint to NHTSAFiled Jan 7, 2020Vehicle speed controlODI 11297749

Electrical system

17 reports2 crashes1 related recall
“CAR LOSS POWER AND WENT INTO LIMP MODE WITH A SOLID CHECK ENGINE LIGHT AND BLINKING CRUISE ON THE DASH. THE RPM JUMPED HIGH WITH OUT THE GAS PEDAL BEING PUSHED DOWN. VEHICLE WAS IN MOTION DRIVING AT 25 MPH BEFORE THE AFOREMENTIONED HAPPENED.”
Owner complaint to NHTSAFiled Oct 4, 2019Electrical system, Vehicle speed control, Unknown or otherODI 11266186

Engine

16 reports
“THIS ONLY AFFECT 05-06 LEGACY GT OWNERS. THE UP-PIPE FOR THE SUBARU LEGACY GT IN THESE GIVEN YEARS HAVE A CATALYTIC CONVERTER IN THERE AND AFTER A CERTAIN MILEAGE, THE DEBRIS OF THE CATALYTIC CONVERTER BREAKING DOWN WOULD SHOOT BACK INTO THE TURBOCHARGER. THAT WOULD CAUSE THE TURBO FAILURE AND STALL THE VEHICLE UNEXPECTEDLY. THE CATALYTIC CONVERTER IN THE UP-PIPE DOES NOT HAVE ANY INDICATION OF % OF WEAR AND MOST NON-CAR ENTHUSIASTS WOULD NOT KNOW WHAT THE ISSUE IS CAUSED BY EXCEPT FOR AN EXPENSIVE TURBO REPLACEMENT AND UP-PIPE REPLACEMENTS. MOST OF THE OWNERS OF THESE ISSUES TURN OVER TO CATLESS UP-PIPE BUT THAT WOULD CAUSE THE CHECK ENGINE LIGHT COMING ON AND OVERBOOSTING OR THE ENGINE RUN RICH, FURTHER DAMAGING THE ENGINE. THIS CAN BE PRETTY DANGEROUS IF A PERSON IS ON A ROAD TRIP AND HAVING A LONG DRIVE AS IT DIRECTLY IMPACT THE DRIVABILITY OF THE VEHICLE. SUBARU HAS RECOGNIZE THE ISSUE AND THEREFORE 07+ TURBO MODELS ALL HAVE A CATLESS UP-PIPE WITH THE ECU TUNED TO THAT SPECIFICATION. I BELIEVE IT IS NOT FAIR FOR 05-06 LEGACY GT OWNERS TO HAVE TO SUFFER FROM SUCH A CRITICAL ISSUE WITHOUT SOME SORT OF COMPENSATION OR RECALL. THANK YOU FOR YOUR TIME”
Owner complaint to NHTSAFiled Apr 29, 2019Engine, Fuel/propulsion systemODI 11204499

Air bags

13 reports3 crashes4 related recalls
“OUR CAR WAS RECALLED DUE TO A SAFETY HAZARD WITH THE PASSENGER SIDE AIRBAG IN 2016, SO SEVERE THAT THE LETTER STATED THAT DEATH COULD OCCUR SHOULD THE AIRBAG DEPLOYS. AFTER AN INITIAL APPOINTMENT, WE WERE TOLD WE HAD TO WAIT ABOUT A MONTH FOR THE REPLACEMENT TO BE DELIVERED. DURING THIS TIME, WE WERE NOT ABLE TO HAVE A PASSENGER IN THE FRONT SEAT. WE HAD TO ARRANGE FOR OTHER TRANSPORTATION ON THE DAY THAT OUR CAR WAS REPAIRED AS WELL AS WHEN IT WAS ORIGINALLY INSPECTED FOR THE REPLACEMENT PART. AFTER THE WORK WAS DONE, WE HAD TO TAKE THE CAR BACK A THIRD TIME BECAUSE IN THE COURSE OF FIXING THE AIRBAG, THE DEALERSHIP DAMAGED OUR KEYLESS REMOTE (WHICH THEY FIXED). WE LOST VALUABLE TIME FROM WORK. NOW, LESS THAN 3 YEARS LATER, THE SAME CAR IS BEING RECALLED FOR THE SAME ISSUE: THE PASSENGER SIDE AIRBAG POSSES A SAFETY HAZARD, THIS TIME DUE TO THE REPLACEMENT AIRBAG. WE ARE TAKING IT TO A DIFFERENT DEALER, BUT AGAIN, THE SOONEST THEY CAN GET IT INTO THE SHOP IS MARCH 11. AGAIN, WE ARE LEFT WITH A CAR THAT CANNOT TRANSPORT A FRONT SEAT PASSENGER FOR OVER A MONTH. THIS TIME, THE DEALERSHIP IS OFFERING A FREE LOANER CAR ON THE DAY THAT OUR CAR WILL BE IN THE SHOP,…”
Owner complaint to NHTSAFiled Feb 3, 2020Air bagsODI 11306761

Fuel/propulsion system

12 reports
“CAR WOULD NOT ACCELERATE UPON ENTERING THE HIGHWAY AFTER PUSHING ON THE GAS PEDAL THE CAR WOULDN'T DO ANYTHING . I WAS ABLE TO GET OFF TO THE SIDE AND MISSED BEING HIT FROM BEHIND FROM ON COMING TRAFFIC...I NOTICE CHECK ENGINE LIGHT AND FLASHING CRUSE CONTROL LIGHT... SECOND TIME SOME WEEKS LATER IT DID THE SAME THING THIS IS VERY DANGEROUS BECAUSE YOU NEVER KNOW WHEN THIS WILL HAPPEN.”
Owner complaint to NHTSAFiled Sep 19, 2017Vehicle speed control, Engine, Fuel/propulsion systemODI 11024196

Service brakes

9 reports2 crashes
“While driving down the highway I had to slam on my brakes to avoid colliding with someone and at that time the brake pedal went soft. Upon further inspection 2 different brake hard lines running to the rear of the vehicle have corroded and failed. This issue was supposed to be remedied under 14V311000 and the vehicle was originally taken in for that recall. Subaru of America was contacted and said because the recall work had already been completed they would not address the issue.”
Owner complaint to NHTSAFiled Oct 18, 2021Service brakesODI 11437196
Data from NHTSA Complaints API (owner reports, unverified) · synced Oct 27, 2026

Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.