2013 Lexus RX 350

I've been desperately searching for a car for under 5k. I could potentially save for more, but the car I'm driving is dying. Like check engine light, bad catalytic converter, 1998 bad.

My mom is looking to get a new car and is offering to sell me her 2013 Lexus RX 350 for $4000. It has 187,000 miles but absolutely no problems, and immaculate service record and no accidents.

What's your guys' opinion? I'm leaning towards yes. The miles are high, but I know the history and quality of the service. That said, $4000 is incredibly low. It's a luxury car and far nicer than anything I've ever owned.

I just don't want to be blinded but the under market price, and luxury label. I don't feel like that's the case but a second, unbiased opinion is always valuable.