The DeLorean worked because it looks futuristic. I don't think the fact that cars are heavy and some cars are even heavier is an iconic part of the DeLorean's appeal. Maybe my age doesn't give me the perspective needed for that, though?
There aren't really any cars that match the DeLorean that have been on the market in the past decade, I don't think.
The best way to go, I think, would be something along the lines of the electric or air pump cars like the Airpod. They don't have the same cultural "resonance" as the DeLorean, but they have a "futuristic" look. You could also probe concept car designs, I suppose, but I think there's some appeal in something that actually exists now.
I dunno, the Hummer doesn't seem "sleek" enough to match the DeLorean in terms of matching stylistic value, which I think is the most important thing to consider when looking at an equivalent to the DeLorean.