About 2 years ago, I would have said POR15, but no more. Stuff was applied correctly and still comes off. Don't put anything...and make a habit of washing it out with a lawn sprinkler after each use...then at end of season when you are winterizing spray the underside with Fluid Film, Rust...
I think you could go longer on the antifreeze, most OEM's are - and have been - using long-life coolants for a while, with 8-10 year replacement intervals. This is better for the environment and your wallet.
If your area has any issues with road salt use in the winter, check if a corrosion oil...
For most cars and CUV. SUV, the OEM's have shifted the braking to be more rear axle based for most stopping. Less front end dive, less chassis upset for general driving. IF heavy braking is requested, then fronts get the call.
Significantly less moving pieces, no electronic thermostats, no pollution control systems, simple transmission if any, less dependence on owner to maintain for proper performance (no oil changes) I think this will be easier.
I wear a watch all the time, and the thought of my wrist slapping my face with a big stainless steel diver type is not a pleasant concept. Fortunately not many people smoke a pipe while driving...or eat popsicles. Scary thread.
The electrification of automobiles will effectively press Reset on the complexity. High time. The Germans lead the pack in the promotion of technology without enough consideration of reliability or future costs to owners.
Waiting out the side effects of my Astra Zeneca Covid shot # 1. Got it yesterday afternoon. Woke up this morning achy all over, read for a bit, declined marital relations...a first....and then had a 3 hour nap. Feeling better.