u/fairwaytrader

▲ 4 r/LexusRX+1 crossposts

Lexus 2018 RX 450hL mpg declining

My 2018 Lexus RX450HL: the MPG average has declined over the years. When I first bought the car I was getting around 24-25 MPG, then it seemed to settle somewhere between 21-24 MPG. In the last six months or so that MPG rating has dropped down to approximately 18 MPG. I've owned a car since it was new in August of 2018, and have always used Costco tier one gasoline in it. It has 56,000 miles on it. Any suggestions as to what to do to increase the MPG?

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u/fairwaytrader — 5 days ago