2015 Subaru WRX Common Problems & Defect Telemetry
Authoritative defect intelligence synthesized from 52 verified NHTSA owner complaints, 3 federal safety recalls, and interquartile failure mileage telemetry.
The 2015 Subaru WRX receives a 5.4/10 MazicBay Reliability Index based on 52 verified NHTSA federal complaints and 3 safety recalls. The primary reported failure mode is Engine Stalling, Oil Consumption & Cooling Defect Reports with a median failure point at 28,000 miles (IQR: 17,000 – 60,000 mi). Out-of-warranty repairs benchmark at $950 – $3,200 .
20.8 complaints / 10k sold
Verified US federal records
Crash, fire & stall audit
3 Active / Free Remedies
2015 WRX Failure Distribution by Vehicle Subsystem
Top Reported Problem Clusters (6)
Engine Stalling, Oil Consumption & Cooling Defect Reports
- Engine sudden stall / hesitation while driving
- Abnormal oil burning / consumption
- Check Engine Light (MIL) flashing
- Engine overheating / coolant loss
“My engine starting making like a clunking sound I always have took my car for service at the dealership i own the 2015 subaru wrx premium i haven’t move the car after the noise due to scare I might mess something with the engine”
“The contact owns a 2015 Subaru WRX. The contact stated that while driving at an undisclosed speed, he heard an abnormal sound coming from the rear of the vehicle. No warning lights were illuminated. The vehicle was taken to the dealer, who diagnosed failures with the drive bel...”
“The secondary o2 pump will burn out or continue running causing unsafe risk to short circuit a fire. Recall has already been previously documented in the -2014 models however Subaru uses the same design and part number. My car Secondary o2 Pump was replaced under warrenty at 5...”
Transmission Hesitation, Hard Shifting & Slipping Reports
- Hard gear shifts / delayed engagement into Drive/Reverse
- Transmission shudder / jerking under acceleration
- Transmission slipping between gears
“The contact owns a 2015 Subaru WRX. The contact stated that while driving at an undisclosed speed, he heard an abnormal sound coming from the rear of the vehicle. No warning lights were illuminated. The vehicle was taken to the dealer, who diagnosed failures with the drive bel...”
“I first noticed the car engine began making a loud ticking sound and significantly lost power as I exited the freeway heading toward my home after work. After towing the vehicle to the Subaru dealership, they tore apart the engine and found a connecting rod bearing had failed....”
“DEFECTIVE OEM THROW-OUT BEARING and FORK in the SIX SPEED manual transmission completely BURNING the clutch. I was going up a hill and the car just started rolling back. No gear would work on the car.”
Electrical Parasitic Drain, Infotainment & Harness Reports
- Unexplained battery drain after sitting overnight
- Infotainment display / instrument cluster blackouts
- Accessory malfunction / alternator fault warnings
“* Battery charging system damaging battery resulting failure of battery. Suspecting overcharging or constant draining of battery below cycling. * Improper charging of battery could result in catastrophic battery failure which may cause battery to catch on fire. * Failure of ba...”
“Car battery is constantly drained even when car is used every other day”
“VEHICLE IS BURNING OIL, OIL CAME OUT THROUGH WHERE THE DIP-STICK IS PLACED. FOUND OIL ON THE EXHAUST TIPS. MASS AIR FLOW SENSOR IS MALFUNCTIONING. REQUIRES NEW COILS AND SPARK PLUGS EVEN THOUGH I HAVE ALREADY REPLACED THEM. REQUIRED A NEW BATTERY, HOWEVER, REPLACING THE BATTER...”
Electric Power Steering Assist & Suspension Noise Reports
- Sudden loss of electric power steering assist
- Steering wheel pull or highway wander
- Clunking / knocking noise over bumps
“Turbocharger intake cracked and causes the engine to have an extremely rough idle and stall. My vehicle has the same issue as NHTSA campaign number 16V16200 however it was manufactured before April 10th 2015 so it is not included in that recall.”
“WHEN I TAKE SHARP TURNS (LIKE PARALLEL PARKING OR BACKING OUT OF MY DRIVEWAY) MY STEERING COLUMN CLUNKS. MAINLY LEFT TURNS ... BUT IT DOES HAPPEN TIME TO TIME WITH RIGHT TURNS.”
“DRIVING ON STRAIGHT ROAD. STEERING WHEEL STOPPED WORKING. VEHICLE CROSSED OTHER LANE OF TRAFFIC AND CRASHED INTO SIGN AND DRAINAGE CULVERT. WAS TOTALLED FROM THE DAMAGE.”
Airbag Occupant Detection & Inflator Defect Reports
- SRS Airbag warning lamp illuminated
- Passenger occupant classification sensor failure
- Seat belt retractor lockup
“* Battery charging system damaging battery resulting failure of battery. Suspecting overcharging or constant draining of battery below cycling. * Improper charging of battery could result in catastrophic battery failure which may cause battery to catch on fire. * Failure of ba...”
“The engine blew up around 75k miles, it had blown a rod barring even though the car had been maintained. The clutch prematurly went out causing me to have to replace everything but the flywheel at under 75k miles. The clockspring is bad in the car affecting the horn and air ba...”
“DRIVING CAR WITH PASSENGER IN COLD WEATHER (~0 DEGREES F) ON CITY STREETS. AFTER 10MIN OF DRIVING, PASSENGER AIR BAG LIGHT SWITCHED OFF, NOTIFYING ME THAT PASSENGER AIR BAG WAS TURNED OFF WHILE PASSENGER WAS SEATED. ADDITIONALLY, NEAR THE SPEEDOMETER, THE SRS AIRBAG ERROR NOTI...”
Service Brakes, ABS Actuator & Master Cylinder Reports
- Spongy or hard brake pedal travel
- ABS / Brake warning light illuminated
- Extended stopping distance / pedal vibration
“I first noticed the car engine began making a loud ticking sound and significantly lost power as I exited the freeway heading toward my home after work. After towing the vehicle to the Subaru dealership, they tore apart the engine and found a connecting rod bearing had failed....”
“I OWN A 2015 WRX LIMITED CVT. WHEN I GO TO MY CAR TO GO TO WORK AND I START IT, THE CAR SPUTTERS. I'VE ONLY NOTICED THIS ON COLD STARTS ONLY, ONCE THE CAR IS WARMED UP IT'S FINE. FOR SOME REASON THOUGH WHEN THE CAR IS SPUTTERING ON START UPS IT WILL TRIP MY CEL AND BASICALLY P...”
“IN A 2015 SUBARU WRX WITH A 6-SPEED MANUAL TRANSMISSION PURCHASED 03/2015 AND DELIVERED TO PURCHASE DEALER 04/2015. REPORTED TO SUBARU DEALER 02/19/2016 A ROUGH IDLE WITH ENGINE RPMS RECORDED BETWEEN 400 AND 1K. ROUGH IDLE TRIPPED A CHECK ENGINE LIGHT AFTER FUELING AND CRUISE ...”
Official NHTSA Safety Recalls (3)
ELECTRICAL SYSTEM:WIRING
Summary: Subaru of America, Inc. (Subaru) is recalling certain 2015 WRX and WRX/STI vehicles, equipped with an optional factory-installed subwoofer in the trunk. Items in the trunk may cause the subwoofer wiring to contact the subwoofer metal frame, possibly resulting in an electrical short.
ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER
Summary: Subaru of America, Inc. (Subaru) is recalling certain model year 2015-2016 WRX vehicles manufactured April 10, 2015, to October 21, 2015, and Forester 2.0XT vehicles manufactured April 10, 2015, to October 20, 2015. The turbocharger air intake duct may crack and possibly result in an engine stall.
EXTERIOR LIGHTING:BACK UP LIGHTS:SWITCH
Summary: Subaru of America, Inc. (Subaru) is recalling certain 2015-2021 WRX vehicles. The backup light switch may corrode and become inoperative, which can result in the backup lights not illuminating and the rearview camera image not displaying when the vehicle is in reverse.
Pre-Purchase Inspection Checklist for 2015 Subaru WRX
Before purchasing a used 2015 Subaru WRX, perform the following targeted inspections based on reported federal defect patterns:
Scan the OBD-II port under the dash for pending freeze-frame codes (e.g. P0300 misfires, P0087 fuel rail pressure, P0420 catalytic efficiency).
Test vehicle at low-speed stop-and-go and highway merges. Check for delayed reverse engagement or gear shift shudder between 2nd and 3rd gears.
Verify that all 3 NHTSA safety recall campaigns have been performed by an authorized dealership using the VIN.
Ensure the instrument cluster, center screen, and auxiliary charging ports operate with stable 12.0V–14.4V alternator voltage.
Defect & Reliability Q&A: 2015 Subaru WRX
Is the 2015 Subaru WRX a reliable used car?
The 2015 Subaru WRX earns a 5.4/10 MazicBay Reliability Index based on 52 federal owner reports. Vehicles maintained under factory service schedules exhibit strong longevity past 150,000 miles.
What is the most frequent defect reported on the 2015 Subaru WRX?
The leading complaint category is Engine Stalling, Oil Consumption & Cooling Defect Reports, with a median failure point around 28,000 miles (IQR: 17,000 – 60,000 mi).
Are there free recall repairs available for the 2015 Subaru WRX?
Yes, the NHTSA records 3 safety recall campaign(s) for this model year. All safety recalls are performed 100% free of charge by authorized franchise dealerships regardless of vehicle warranty status.