All cars could last a lot longer if people kept maintaining them and - importantly - didn't damage them. Electric cars are not going to be immune to this, I can't see them lasting much longer on average than ICE cars.
Keep in mind that even when you change out the engine for something with less parts the rest of the car still remains and contains things which will eventually cause issues. For example I bought a cheap van a few months ago and here's some of the reasons it was cheap that are not ICE specific:
Steering wheel lock mechanism sticking
Air distribution flap cables kinked/binding so A/C only blew at feet
Central locking on side door sticking
Rear shocks leaking
Front strut mount bushings worn
Head unit not functioning
Presumably the previous owner just didn't want to spend the money on fixing these issues as they arose, and eventually it added up into a lot of potential expense (if you have to pay someone to fix it for you) and more reasons to sell the car. Such behaviour seems pretty common in my experience and I fully expect it to continue with EVs. It'll be hard enough to get people to even maintain their brakes and change the motor coolant considering the natural reluctance of people to spend money on maintenance and this unfortunately prevalent idea that EVs don't need it.
Funnily enough the main ICE specific problem with that van was just as much an electrical issue as part of the petrol engine - an intermittent secondary air injection error code which ended up being down to a combination of a sticking valve and a fuse with a hairline crack causing an intermittent connection.
A lot of this also comes back to asshole design, and EV's can be particularly bad for this. Switching to large touch "entertainment" displays is a major issue. With my last ICE (Honda) vehicle, it was integrated into the backup+side cameras and a few comfort/convenience features. I could still replace that with a new head unit, though only certain ones would still support the cameras.
My wife's EV (Hyundai) on the other hand, the console isn't really made in a way where it seems swappable, and even if it was there are major system functions - such as configuring charge/power settings - which can only be configured from that (or the dogshyte app that screws up often and requires a paid subscription after 3yr)
Yes, the move towards integrating the infotainment further into the car with propitiatory parts instead of generic sizes and not separating out vehicle related controls is definitely going to make long term upkeep harder.
Exactly this...in new cars its not the transmission or engine failure that causes it to be junked but rather all the rubber/ plastic bits going to shit and costing an arm and a leg to replace...
That's my thought as well. Things like failing interior plastics, or glass that is no longer being manufactured, or basic body seals rotting away. Even body rotlike folks in cold or salty environments deal with.Those bits add up fast.
Yeah. Markass Brownie got his Tesla in an accident. Repairs? More than 50% of sticker price. Sure you can throw the chassis out and put on a new one, but what about a hundred little sensors that also need troubleshooting, repair and calibration? Gotta go through them one by one.