Can I buy a new car and still be eligible for Medicaid/Medicare?

Are you on Medicaid now? If so, I would check with them before purchasing something that will cost that much. If your on it its because you are within their criteria financially. They may look at it as, if you can purchase a car, you can pay for your care. Medicaid rules for health insurance is different than Medicaid paying for LTC.

If your talking about Medicaid in the future, than I don't see a problem with getting a new car now.

For medicaid, you are allowed to have one car. And you can purchase a new car while on medicaid as long as it is your only car.

As far as I know, Medicare eligibility has nothing to do with an asset test. And, a car is an asset.

For Medicaid, please go on your state's website and click on the eligibility rules. There are distinct rules about cars.