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We expect the 2025 4Runner will be more reliable than the average new car. This prediction is based on the previous generation of the 4Runner and the Toyota brand score.
The Reliability score is based on our latest subscriber survey of 2003 Toyota 4Runner owners. The owner comments describe problems respondents experienced with this vehicle.
Squeaks, rattles, wind noises, seals and/or weather stripping, air and water leaks.
"Upper and lower arms replaced, master oil seal replaced. Normal wear and tear"
Anonymous, NY (2003 Toyota 4Runner Limited 4.7-L V8)"Gasket for transmission oil leaked"
Anonymous A., MD (2003 Toyota 4Runner Limited 4.7-L V8)Muffler, pipes, catalytic converter, exhaust manifold, heat shields, leaks.
"The sensor went out on the convertor"
Anonymous, CO (2003 Toyota 4Runner Limited 4.0-L V6)"Rusted undercarriage and disintegrated power steering belt."
Anonymous, NC (2003 Toyota 4Runner Limited 4.0-L V6)AC compressor, blower (fan) motor, condenser, evaporator, heater system, automatic climate system, electrical failure, refrigerant leakage.
"Has not been working for about 5 years. Just time to fix. While we're at it, we are replacing timing chain and related stuff, dryer, cam gaskets etc. Might as well since all the stuff is off. Am going to have them assess radiator and will replace if necc."
Anonymous, CA (2003 Toyota 4Runner SR5 4.7-L V8)Paint (fading, chalking, peeling, or cracking), loose interior or exterior trim or moldings, rust.
"Fading. Stored outside in the desert sun! After 10 years. No other Problems."
Anonymous, NV (2003 Toyota 4Runner SR5 4.0-L V6)Accessory belts and pulleys, engine computer, engine mounts, engine knock or ping, fuel leaks, oil leaks.
"Replaced gaskets and while we were at it did a complete tune up w/ air filter change. My MAJOR ISSUE with this vehicle has been rat damage. About $15K worth. Apparently has to do with coating on electric wires. Neighbor has prob as well. Other neighbor with older truck doesn't. I trap rates IN the car. Thus the moniker Ratmobile"
Anonymous, CA (2003 Toyota 4Runner SR5 4.7-L V8)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.
"Replaced shocks but I suspect it is from normal wear."
Anonymous, ID (2003 Toyota 4Runner 4.0-L V6)Premature pad/rotor wear, pulsation or vibration, antilock system, parking brake, master cylinder, calipers, squeaking, brake failure, regenerative braking.
"Front calipers and rotors replaced. I assume it is from normal wear and tear."
Anonymous, ID (2003 Toyota 4Runner 4.0-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 faded paint is normal under a desert sun!"
Anonymous, NV (2003 Toyota 4Runner SR5 4.0-L V6)Engine rebuild or replacement, cylinder head, head gasket, turbocharger or supercharger, timing chain or belt.
Gear selector and linkage, transmission computer, transmission sensor or solenoid, clutch adjustment, rough shifting, slipping transmission, leaks.
Sensors (O₂, or oxygen, sensor), emission-control devices (includes EGR), fuel-injection system, fuel gauge/sender, fuel pump, problems filling up the tank.
Driveshaft or axle, CV joint, differential, transfer case, four-wheel-drive/all-wheel-drive components, driveline vibration, electrical failure, traction control, electronic stability control.
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.
Infotainment system (audio, GPS, phone), rear entertainment system, backup or other camera/sensors, head-up display.
Transmission rebuild or replacement, torque converter, premature clutch replacement.
Radiator, cooling fan, water pump, thermostat, antifreeze leaks, overheating.
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.
"The seal around the back gate door is worn and allows water inside during rain and washing."
Anonymous, CA (2003 Toyota 4Runner SR5 4.0-L V6)