[volkl48]

The Mustang is from before modern safety laws (and feature expectations) and therefore weighed a lot less than your average modern car.

A stock '66 Mustang hardtop had a curb weight below 3000lb, in the lightest configuration close to 2500lb.

Less mass to move will do a lot for efficiency just like aerodynamics will.

Of course, you will also die or be horrifically maimed in an accident in a 1966 Mustang that you might walk away without any serious injuries from in a modern vehicle.

[loeg]

But this conversion is basically just a Tesla model 3 with the shell taken off and a mustang shell installed over. It's mostly a model 3, including the heavy battery and drivetrain. And airbags.

[volkl48]

Unless I've missed something here, there are clearly no airbags in the passenger seat or anywhere else in the upper shell (side curtain, etc) from skimming around the video/interior shots.

I guess there's probably still one in the stock Tesla steering wheel/unit.

You also have none of the heavy structure that makes it so you don't die in a rollover or side-impact in a modern car. Look at how skinny that A-pillar is.

Hell, half of this interior is just the raw exposed sheet metal with no insulation/noise-dampening/softer materials either.