Maybe they are trying to save the transmission and of course Lexus image nothing jerky or vulgar.My Rx 350 has 295 hp and is sluggish off the line too. Push the pedal and nothing happens so you push more it starts to roll and then you push more and all of a sudden it takes off and you're at red line. The 0-60 time is pretty slow too.
I don't think 0-60 in the high 5's is slow. But the programming would kill it. See post #13 to chip it on the cheap. An old H.S. friend bought a typical doggy old 90's mustang GT automatic convertible for his wife. It had a hypertech chip a k&n intake and a cat back. This was transformative to the car's personality from a sort of Crown Vic style 4.6L feeling to more a 351W 4V experience. Impressive.
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