Engine Sounds Like A Diesel

[007Butch]

I have a 2010 RX 350 with 25K miles. Last Fall the engine started sounding noisy like a diesel engine especially when the engine was cold. There is no loss of power, mileage or performance that I can tell. Lexus says the sound is normal, yet the RX350 service loaner cars don't make this noise. Any thoughts? 007Butch

[klonny]

my 2007 does too, I actually don't mind it but they say it's because they switched from a timing belt to a longer lasting timing chain, which is a little louder.

[LEXIRX330]

my 2007 does too, I actually don't mind it

Well that is the first thing!

thing to look out for? yes the whole car. it sucks. worst "luxury" vehicle I've ever owned and I use the term luxury loosely. expect rattles, electrical problems, crappy stereo, next to useless 4wd the only nice is it looks nice on the outside.

go MDX, Go ML500 even X5...but not this piece of crap.