Electric cars are noticeably heavier than comparable gas cars because of their battery packs. That extra weight raises a fair question about braking. Here is how EV weight affects stopping distance.
Weight works against braking
More mass means more energy to shed when stopping, and braking is all about converting that motion into heat - see why brakes get hot. All else equal, a heavier vehicle needs more braking force and can take longer to stop, so EV weight is a real factor.
How EVs make up for it
Automakers compensate with larger brakes, grippier tires, and sophisticated ABS, plus instant regenerative braking that adds slowing the moment you lift off - see how regen braking works. A well-engineered EV often stops as well as or better than a gas car despite the weight.
The heat and fade angle
Heavy repeated stops - like a long downhill - put more heat into an EV's friction brakes, which can raise fade risk if regen is limited; see what is brake fade. Good pads and rotors matter more, not less, on a heavy vehicle.
Keep the brakes healthy
Because the friction brakes are used lightly - see do EVs have brake pads - keep them free of rust and sticking so they deliver full force when you need a hard stop. Fit quality pads and hardware.