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The 2015 Avalon is more reliable than other cars from the same model year.
The Reliability score is based on our latest subscriber survey of 2015 Toyota Avalon owners. The owner comments describe problems respondents experienced with this vehicle.
Muffler, pipes, catalytic converter, exhaust manifold, heat shields, leaks.
"there weren't any"
Anonymous, CA (2015 Toyota Avalon XLE 3.5-L V6)"WATER PUMP NOISE, NEEDED REPLACEMENT"
Anonymous, NY (2015 Toyota Avalon XLE 3.5-L V6)"Needed to replace the water pump"
Anonymous, NJ (2015 Toyota Avalon Touring 3.5-L V6)Infotainment system (audio, GPS, phone), rear entertainment system, backup or other camera/sensors, head-up display.
"The display screen froze up. I found out later that this was due to a needed update in the system."
Anonymous, LA (2015 Toyota Avalon Unsure Unsure)"Screen blank thus cannot control the system. Not repairable. Replacement estimate was over 4000 so replaced with aftermarket"
Anonymous, FL (2015 Toyota Avalon XLE 3.5-L V6)""Since we've owned it. Often will not send response message like, on my way""
Anonymous A., NC (2015 Toyota Avalon Limited Unsure)AC compressor, blower (fan) motor, condenser, evaporator, heater system, automatic climate system, electrical failure, refrigerant leakage.
"STARTED SUMMER 2025 SOMETIMES IT WORKS SOMETIMES IT DOESN'T."
Anonymous, NJ (2015 Toyota Avalon Limited 3.5-L V6)"Air is not cold, bad sensor on compressor"
Anonymous, MD (2015 Toyota Avalon Touring 3.5-L V6)Driveshaft or axle, CV joint, differential, transfer case, four-wheel-drive/all-wheel-drive components, driveline vibration, electrical failure, traction control, electronic stability control.
"bearings in right-front axle assembly failed - made rumbling noise - began 3ish yrs ago assembly replaced at local Toyota dealership April 2025"
Anonymous, CA (2015 Toyota Avalon Touring 3.5-L V6)"Boots on CV joints tore causing abnormal wear on both axles. Had to replace both axles plus CV joint boots. Delay of 4 months between order date and delivery date of axles to dealer."
Anonymous A., (2015 Toyota Avalon Premium 3.5-L V6)Premature pad/rotor wear, pulsation or vibration, antilock system, parking brake, master cylinder, calipers, squeaking, brake failure, regenerative braking.
"Related to break wear."
Anonymous A., (2015 Toyota Avalon Limited 3.5-L V6)Radiator, cooling fan, water pump, thermostat, antifreeze leaks, overheating.
"The radiator rusted and started to leak. Said there was no way to repair to had to replace."
Anonymous, MN (2015 Toyota Avalon Limited 3.5-L V6)Windows, locks and latches, doors or sliding doors, tailgate, trunk or hatch, mirrors, seat controls (power or manual), seat belts, sunroof, convertible top, glass defect.
"The leather is poor grade in this model. It wore out o n the drivers door the center console areas. Must get re-upholstered."
Anonymous, AL (2015 Toyota Avalon XLE 3.5-L V6)Squeaks, rattles, wind noises, seals and/or weather stripping, air and water leaks.
"Clogged drain lines resulted in water leaks around skylight. Repair and mold treatment cost $2000."
Anonymous, DC (2015 Toyota Avalon Limited 3.5-L V6)Engine rebuild or replacement, cylinder head, head gasket, turbocharger or supercharger, timing chain or belt.
Cruise control, clock, warning lights, body control module, keyless entry, wiper motor or washer, tire pressure monitor, interior or exterior lights, horn, gauges, 12V power plug, USB ports, alarm or security system, remote engine start, heated or cooled seats, heated steering wheel, headlights, automatic headlights, automatic wipers, wireless charging pad.
Transmission rebuild or replacement, torque converter, premature clutch replacement.
Alternator, starter, hybrid battery replacement, hybrid battery related systems, regular battery, battery cables, engine harness, coil, ignition switch, electronic ignition, spark plugs and wires failure, auto stop/start.
Paint (fading, chalking, peeling, or cracking), loose interior or exterior trim or moldings, rust.
Gear selector and linkage, transmission computer, transmission sensor or solenoid, clutch adjustment, rough shifting, slipping transmission, leaks.
Shocks or struts, ball joints, tie rods, wheel bearings, alignment, steering linkage (includes rack and pinion), power steering (pumps and hoses, leaks), wheel balance, springs or torsion bars, bushings, electronic or air suspension.
Accessory belts and pulleys, engine computer, engine mounts, engine knock or ping, fuel leaks, oil leaks.
Sensors (O₂, or oxygen, sensor), emission-control devices (includes EGR), fuel-injection system, fuel gauge/sender, fuel pump, problems filling up the tank.
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""Tire sensors had to be replaced, cost $1200""
Anonymous A., OR (2015 Toyota Avalon Limited 3.5-L V6)