Tesla Cybertruck drives 254 miles in highway range test

> That’s significantly less than the 320 EPA range, but it was cold and highway driving only.

Tesla always exaggerates the EPA range of their cars because they use the most generous test possible. Some manufacturers (like Porsche) underreport the range of their cars:

https://insideevs.com/reviews/443791/ev-range-test-results/

Porsche uses the worst case settings.