The Lexus LM500h is powered by a 2.4-litre inline-4 turbocharged engine with a hybrid system, producing 274 hp and 460 Nm of torque from the engine, with front and rear motors contributing 87 hp and 103 hp respectively, for a total combined system output of 371 hp. The Lexus LM350h delivers approximately 250 hp combined.
Lexus LM500h 搭載 2.4 公升直列四缸渦輪增壓引擎配合混能系統，引擎輸出 274 匹馬力及 460 牛頓米扭力，前摩打輸出 87 匹、後摩打輸出 103 匹，綜合系統總輸出達到 371 匹馬力。Lexus LM350h 嘅綜合輸出則約 250 匹馬力。
