The 2015 LaCrosse has about average reliability compared to other cars from the same model year.
The Reliability score is based on our latest subscriber survey of 2015 Buick LaCrosse owners. The owner comments describe problems respondents experienced with this vehicle.
Sensors (O₂, or oxygen, sensor), emission-control devices (includes EGR), fuel-injection system, fuel gauge/sender, fuel pump, problems filling up the tank.
"When the check engine light came on. I had to replace the evaporator emissions valve. No symptoms other than light and $5k engine analyzer to diagnose"
Anonymous A., SC (2015 Buick LaCrosse None 3.6-L V6)Premature pad/rotor wear, pulsation or vibration, antilock system, parking brake, master cylinder, calipers, squeaking, brake failure, regenerative braking.
"Noticed metal on metal scraping sound. Went to repair shop the next day and had rotors replaced"
Anonymous, GA (2015 Buick LaCrosse None 2.4-L 4 Cyl)"Brakes would squeak when I slowed down gradually. Had brakes and rotors replaced. Squeaking returned after two months. Mechanic said debris had gotten into the brakes/rotors. After cleaning the squeaking stopped for awhile and then returned. Have been assured by mechanic that my brakes are fine."
Anonymous A., TN (2015 Buick LaCrosse None 3.6-L V6)Muffler, pipes, catalytic converter, exhaust manifold, heat shields, leaks.
"The catalytic converter needed to be replaced. The car is 10 years old this is the first time we needed to fix something. We have replaced tires and brakes which is basic upkeep for any vehicle."
Anonymous A., NY (2015 Buick LaCrosse None 3.6-L V6)"The trunk sensor is out of order and will cost $400 to fix"
Anonymous, FL (2015 Buick LaCrosse None 2.4-L 4 Cyl)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.
"Driver side heated seat no longer heats. It's an expensive repair."
Anonymous, MI (2015 Buick LaCrosse None 3.6-L V6)Infotainment system (audio, GPS, phone), rear entertainment system, backup or other camera/sensors, head-up display.
""in extreme heat, the radio and information screen starts flashing and changing stations and settings all screwed up. also does with extreme cold weather. dealership says they can't do anything about it. says i need to contact manufacturing. I suspect it is something to do with the eco boost battery.""
Anonymous, CA (2015 Buick LaCrosse None 2.4-L 4 Cyl)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.
Radiator, cooling fan, water pump, thermostat, antifreeze leaks, overheating.
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.
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.
Paint (fading, chalking, peeling, or cracking), loose interior or exterior trim or moldings, rust.
Squeaks, rattles, wind noises, seals and/or weather stripping, air and water leaks.
Gear selector and linkage, transmission computer, transmission sensor or solenoid, clutch adjustment, rough shifting, slipping transmission, leaks.
Transmission rebuild or replacement, torque converter, premature clutch replacement.
AC compressor, blower (fan) motor, condenser, evaporator, heater system, automatic climate system, electrical failure, refrigerant leakage.
Driveshaft or axle, CV joint, differential, transfer case, four-wheel-drive/all-wheel-drive components, driveline vibration, electrical failure, traction control, electronic stability control.
""The EGR control device failed and resulted in a check engine light indication. A code reader pinpointed the problem, and I was able to replace it.""
Anonymous A., IL (2015 Buick LaCrosse None 3.6-L V6)