[Lionheart]

These:

Hot Wheels Batman 1966 TV Series Batmobile 1 18 Scale Die Cast George Barris | eBay
Hot Wheels 1966 TV Series Batmobile Elite Edition 1 18 Diecast Car | eBay

Sun Star Time Machine Back to The Future DeLorean 1 18 Part 1 657440240123 | eBay
DeLorean Time Machine Back to The Future 1 18 Sun Star 657440240123 | eBay

It's worth noting that 1:18 is too small for 3 3/4 figs, and that Diamond Select put out a 1:15 DeLorean which fits 3 3/4 figs (it's a touch large, but still fits better than the smaller 1:18 scale).