This recent range/efficiency test of a Tesla Long Range Model Y and the Ford Mustang Extended Ranger AWD Mach-E:
Ford Vs Tesla: Crossover Range War
In this test the Long Range Model Y traveled approximately 230ish miles on a full charge; The Mustang Mach-E traveled 260ish miles on a full charge. The Extended Range Mustang Mach-E 's battery pack has a usable capacity of 88kWh; the Tesla Model Y just 75kWh (15% less than the Extended Range Mach-E.) Not that it would made much difference but the wheels, tires and tire pressure of the Model Y were not noted. The tester did not note if the Tesla Model Y's battery pack was preconditioned before starting the test.
In 2020 a Tesla Long Range Model Y 70 MPH highway range test in warmer weather was perfomed, on the East Coast with fewer elevation changes. The 2020 Tesla Long Range Model Y with the 20" Induction wheels was able to travel slightly more than 280 miles.
It would be interesting to rerun the West Coast range test once the weather warms another 20F.