4th Generation Optima (2016 - 2020)
It seems that the electronic fuel gauge in my SX-T was more accurate then in my 11 Sonata, 11 Optima EX and my current SX-L which of course have analog gauges.
When my tank is at a half, the pump pops at 7.1-7.2 gallons and that should happen at 9.25 gallons based on a 18.5 gallon tank that...