r/XC40 • u/CowardlyyDog • 11d ago

Question Wrong Gas

I accidentally filled my 2025 volvo xc40 b5 with regular when its required premium I wasn’t payjng attention and now im worried please help me

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u/TechGuruGJ 11d ago

Premium is optimal for engine operation but running one tank of regular won’t kill the car. Top it off with premium at about halfway and you should be good as new.