import { pairs } from 'rxjs';

interface Car {
  id: string;
  name: string;
}

const carsEntity: {[key: string]: Car} = {
  'xyz': { id: 'xyz', name: 'Mazda' },
  'abc': { id: 'abc', name: 'Porsche' }
};

 pairs(carsEntity).pipe(
   map(([_, car]) => car)
 ).subscribe(console.log);