So which engine (HP, Torque) and Axle Ratio do I have...?

[bello]

Hi All- Recently purchased a 2023 Exp MAX Limited RWD with the base "Stealth" Package. Engine Code (8th Digit of VIN) is "8" ... Also, the Axle Code on the VIN Tag in door is "3L" I suspect I have the "middle" Engine at 400HP & 440 Torque. As for the rear axle, I've not found what ratio Axle 3L is, or/if it has LSD... Anyone out there with real info on this..? Last, what say you all on Gasoline for this: Regular or premium? I tow a Vintage racecar in an enclosed (6000#) 20' trailer 5-6 times a year. SE Florida, no hills or mountains here unless you count overpasses. Thanks! Ernie