SteveB Posted June 16, 2021 Share Posted June 16, 2021 Hi, I have a 2020 A1 S-Line Competition and every now and then the engine / exhaust noise deepens and my fuel consumption drops from around 40-45 mpg to less than 30 mpg. This last from anything from a few hours to a couple of days and suddenly the issue disappears. I have had the Audi inspect the car but as the issue was not happening at the time they couldn't find a fault. Has anybody else experienced this? Thanks, Steve Quote Link to comment Share on other sites More sharing options...
Steve Q Posted June 16, 2021 Share Posted June 16, 2021 My advice would be to record the noise for Audi to hear it or let them have the car over a lot nh duration of a week for example. Make sure they give you a courtesy car. 1 Quote Link to comment Share on other sites More sharing options...
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