There is no single right answer.
Renting can help you explore different cars without committing to ownership. Buying may suit a settled program and a longer period of use. A car you already own may be the best starting point of all. The recommendation follows your goals and budget.
Find the support before the car.
The operating team or specialist shop should review the exact car and intended use before you commit. Condition, specification, history and support requirements are technical questions. An appealing listing does not answer them.
Compare the full period, not one invoice.
Purchase and acquisition costs, maintenance, upgrades, repairs, storage, transport and running costs all belong in an ownership plan. Net resale proceeds may offset part of that spend, but are not guaranteed. Compare rental support on an equivalent basis.
Ownership can still be hands-off.
A member may own the car while a team or shop maintains it and a race team operates it. Wolfe can coordinate the arrangement and help source appropriate specialists. A substantial acquisition or sale-support project has its own agreed scope.