For civilian use, a turbo ‘T’ motor is the only way to go. For cops, you have a point about susceptibility to abuse. I don’t know how a turbo would fare under ‘cop’ conditions. Probably not so well and yes, expensive to replace.
Small point, but cops are civilians also, even though they like to think of themselves as paras.
Just my experience with turbos.... My cummins , I have the compound trifecta from ATS and am extremely careful to cool down after driving and use bypass filters and such with additional oil coolers to “protect” my investment.
As we both know they are expensive to replace.
Just purchased a Toyota Crewmax this past summer and added the optional TRD super charger, which is (I think, not sure) made by Eaton. Took 381 horses and put it well above 500 HP. Not dyno’ d yet it makes that school bus / limo truck scoot really nice. Keeping my foot in it for a press to test before the warranty runs out to see if it has a downside or weakness. Runs great thus far.
A supercharger may have better endurance and resist abuse better than a turbo for use we’re discussing here.....
After retirement from military I worked as a deputy for a while and then just as a reserve deputy for community service later on.... We used amsoil bypass filters for oil, coolant and transfluid on our take home vehicles. Ten ply tires, less flats, and motor pool had a car wash with detailing equipment. Those vehicles lasted well into the 300k mile range before replacement. Now to be fair we were a rural department versus shitty city urban suburban environment so most of our driving was highway... Less wear and tear on brakes an drive train etc ....
As we discussed, some FLEAS/ LEOS are kick the tires and light the fire sorts and others are check and maintain ALL your work tools before and after shift. More abusers than proper users IMHO .....
My vote is displacement vs turbo for cop cars..... Just my opinion.
Stay safe !