To avoid probate of your vehicles, you should use the linked Motor Vehicle Beneficiary form.
Even if you have a properly funded trust, this form is necessary to avoid probate if the combined value of your vehicles, including motorcycles, trailers, RVs, etc., exceeds $86,000 as of 2025.
You may name either a trust or an individual as the beneficiary.
Note, the threshold level for probate as of 2025 is $86,000 including the value of all assets of every nature that requires court intervention to transfer ownership of an asset. Thus, even if you use the motor vehicle beneficiary form you may need probate of other assets.