Which Bike

With being price per performance, which is the safest bet.

Trek Fuel EX 8 3199

https://www.trekbikes.com/us/en_US/bikes/mountain-bikes/trail-mountain-bikes/fuel-ex/fuel-ex-8-gen-6/p/36348/?colorCode=grey_black

Stumpy 15 comp alloy 3999.99

https://www.incycle.com/products/2025-specialized-stumpjumper-15-comp-alloy?_pos=6&_fid=0b93bf609&_ss=c&variant=44549933334659

Stumpy 15 Alloy 2999.99

https://www.incycle.com/products/2025-specialized-stumpjumper-15-alloy?_pos=12&_fid=0b93bf609&_ss=c&variant=44549933760643

YT Jeffsy Core 3 Aluminum 3049.00
https://www.yt-industries.com/en-us/Bikes/All-Mountain-Jeffsy/CORE-3/CORE-3-AL/

I will be riding in SoCal, mostly all mountain terrain.
Budget is 3K but can stretch if needed

Relatively new rider with some background in BMX