God, this reminds me of that movie where the kid borrows money to buy a replica Lamborghini, and its awesome when he test drives it. I remember in one scene the radio displays "Bravissimo!" Then it all goes down hill, the tape player chews up his tape, and the car disintegrates like 2 blocks away from the dealer.
Now i have to find that movie!
*Found it! "It Takes Two (1988)" From the little I watched in the clips. Its way worse than I remember, but hey I was like 9 or 10 when I saw it.