Buying a used Tesla in Colorado: battery, winter range, warranty, hail

A used Tesla is one of the simplest used cars to evaluate, because the car tells you most of what you need to know on its own screen. Here is what to check, and what is different about owning one at 5,000 feet.

The warranty comes with the car

Tesla’s warranties follow the vehicle, not the first owner. The one that matters most is the battery and drive unit warranty: 8 years, with a mileage cap that depends on the model and trim (100,000 miles on a standard-range Model 3, 120,000 on Long Range and Performance Model 3 and Model Y, 150,000 on Model S and X), and a guarantee that the battery still holds at least 70% of its original capacity in that time. Check the build date on the door-jamb sticker and do the math; a 2021 car is covered into 2029.

Reading battery health

Two numbers, both on the car:

1. Rated range at 100%. Set the display to percent, note the range the car shows at a known state of charge, and scale it up. Compare it with the figure for that trim when new. Ten percent loss on a five-year-old car is normal; twenty is not.
2. The battery health test. Newer software has a battery health test in the Service menu. It takes several hours and needs a charger, so ask the dealer for the result rather than running it at the lot. We run it on every Tesla we list and put the percentage in the description.

Winter range in Denver

Cold cuts range on every EV, and Tesla is no exception. On a January morning along I-70 you should expect 20 to 30 percent less range than the summer figure, more if the car sat outside unplugged. Preconditioning from the app while the car is still plugged in recovers most of the loss. Heat pumps (Model Y from launch, Model 3 from 2021) help noticeably; ask which one the car has.

Two Colorado checks

• Hail. Teslas have a lot of glass and a big flat roof. Look at the glass roof for chips and at the hood in low light. Our hail guide explains how, and we photograph it for you.
• Emissions. None. Electric cars are exempt from Colorado’s emissions test, which also removes one piece of paperwork at registration.

Charging at home

Most owners never visit a Supercharger except on road trips. A 240-volt outlet in the garage, the kind a dryer uses, gives roughly 30 miles of range per hour of charging. Check whether the mobile connector is still in the trunk; replacements are not expensive, but it is a common thing to find missing.

Software and options

Ask which paid options are on the car and whether they stay with it. Tesla has changed its rules on transferring Full Self-Driving more than once. We state exactly what is on the car in the listing and will not guess.

The incentive question

The federal tax credit for used electric cars ended for purchases after September 30, 2025. Price a used Tesla as a used car, not as a used car minus a credit.