new-car smell

noun2

1. •
   A characteristic odor caused by the combination of chemicals and materials in a new automobile, including outgassing.

   • Does that mean you shouldn't buy a new car? Not at all — although if you're not hung up on new car smell and the virginal feel of a pristine motor car, you might find a used car is a better bargain. — 1996
2. •
   (figurative) A perception of freshness or novelty.