The 2018 is a genuinely better car than the Camry it replaced — except for the uncertainty around its eight-speed automatic. It's the largest complaint cluster in the file: harsh or delayed shifting and hesitation from new, a whining noise that appears only under acceleration, lurching from a stop, and, in the worst cases, failure anywhere from 50,000 to 145,000 miles. Toyota offers no warranty extension, and an out-of-warranty replacement runs into the thousands.
Two mechanic-sourced facts make this manageable rather than scary. First, the low-speed jerkiness most owners describe is normal — first gear is a very high ratio, so the car lurches off the line then settles; the noise that actually predicts failure is the acceleration whine. Second, the four-cylinder Camry uses the sturdier UB80 (a shop that sees these daily reports roughly one Camry transmission problem for every ten V6 Highlanders), and 60,000-mile fluid changes — against Toyota's 'lifetime fluid' claim — largely prevent it. So screen deliberately: on a fully warmed-up car, accelerate and listen for the whine, and confirm the fluid was serviced. If it's clean, a 2018 is a lot of car; if you hear the whine on a high-mileage example, walk. The recalls (piston, fuel line, brake vacuum pump, fuel pump) are all free.