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The 2021 RX is much more reliable than other cars from the same model year.
The Reliability score is based on our latest subscriber survey of 2021 Lexus RX owners. The owner comments describe problems respondents experienced with this vehicle.
Muffler, pipes, catalytic converter, exhaust manifold, heat shields, leaks.
"Info system a disaster to use. Very difficult to drive and adjust or use much of system. Heating cooling very difficult to control"
Anonymous, GA (2021 Lexus RX 350 3.5-L V6)"The Lexus RX has had a recall on the steering wheel air bag for almost 2 years & the dealership has still not fixed it"
Anonymous, CA (2021 Lexus RX 350 3.5-L V6)Infotainment system (audio, GPS, phone), rear entertainment system, backup or other camera/sensors, head-up display.
""Phone volume on the recipient's end, while using apple carplay, is weak. Can't resolve it on our own.""
Anonymous, CA (2021 Lexus RX 350 3.5-L V6)"SOUND IS NOT AUDIO FOR PHONE CALLS THROUGH THE CAR SPEAKERS"
Anonymous, FL (2021 Lexus RX 350 3.5-L V6)AC compressor, blower (fan) motor, condenser, evaporator, heater system, automatic climate system, electrical failure, refrigerant leakage.
"This seems to be a class problem with Lexus - the service advisor was completely knowledgeable regarding the issue and had it correctly diagnosed prior to inspection by a mechanic."
Anonymous, MN (2021 Lexus RX 350 3.5-L V6)"FOD damage - metal object impacted condenser at freeway speed and totaled the condenser."
Anonymous, MN (2021 Lexus RX 350 3.5-L V6)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.
"Right front shock absorber was found defective by the dealer and repaired free of charge under warranty"
Anonymous, TX (2021 Lexus RX 350 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.
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.
Squeaks, rattles, wind noises, seals and/or weather stripping, air and water leaks.
Premature pad/rotor wear, pulsation or vibration, antilock system, parking brake, master cylinder, calipers, squeaking, brake failure, regenerative braking.
Engine rebuild or replacement, cylinder head, head gasket, turbocharger or supercharger, timing chain or belt.
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.
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.
Transmission rebuild or replacement, torque converter, premature clutch replacement.
Gear selector and linkage, transmission computer, transmission sensor or solenoid, clutch adjustment, rough shifting, slipping transmission, leaks.
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.
Radiator, cooling fan, water pump, thermostat, antifreeze leaks, overheating.
Sensors (O₂, or oxygen, sensor), emission-control devices (includes EGR), fuel-injection system, fuel gauge/sender, fuel pump, problems filling up the tank.
"If you dont drive for several days you will have to charge battery. Known problem DONT ASK IF I CANT CLICK BOX"
Anonymous, FL (2021 Lexus RX 350 Unsure)