How old does a girl have to be to rent a car in Colorado?

Answer 1

That's the discretion of the rental agency and their insurance carrier. You'll have to have a fully unrestricted license (no restricted or graduated licenses), which means you'll have to be at least 18. Looking on the website for Hertz, their minimum age is 21. On Budget's website, it seems possible that in some states, their policies can vary by municipality, so I looked up the places in Colorado relevant to me - Denver, Broomfield, and Colorado Springs, and the site says for all of them, ""An individual 21-24 years of age may only rent an economy, compact, intermediate, standard, full-size or premium car or an intermediate or standard SUV.", and so I skimmed through other locations, and it appears that's the policy statewide.

In short, it's going to be 21, unless, by chance, you find some small time agency willing to rent a car to an 18 - 20 year-old, although I wouldn't recommend holding your breath waiting to find one.