misha.korolcov,
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
</head>
<body>
<select id="car" onchange="filterManeger(event)">
</select>
<script>
let arr = [
{car: 'audi' , color: 'red'},
{car: 'audi' , color: 'black'},
{car: 'bmv' , color: 'black'},
{car: 'bmv' , color: 'red'},
{car: 'mers' , color: 'black'},
]
const select = document.getElementById('car');
select.options.length = 0;
arr.forEach(({car}) => {
((select.value = car) == select.value) || select.append(new Option(car, car))
});
</script>
</body>
</html>