Lexus has spent more than three decades earning the reliability that most luxury brands would love to borrow. From the original LS 400 that humbled German sedans, to early RX and ES models, the brand has conditioned buyers to trust any Lexus engine almost by default, and most of the time that trust is warranted.
But no automaker bats a thousand. Hidden in Lexus’ 35-year engine catalog are a few designs that don’t quite live up to the badge. The five engines ahead span nearly every era of the brand and together power hundreds of thousands of vehicles still on
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