While visiting, check around for prices on the type of car you would prefer. Some people ship their own cars from home, so check the cost of the import tax and shipping charges. Your decision to bring your personal household goods should be carefully evaluated. Contact others who have done it and consult with them. With this information you are in a better position to make a sound decision.
Auto parts are expensive, but labor is reasonable.
Most of the roads are poor, with an ample supply of potholes, but the government is working hard to try and improve this situation. Property taxes are generally lower in Costa Rica than in North America and many other countries. As a foreign resident, you will not pay income taxes on foreign pensions or income generated outside of Costa Rica, but you may have to pay taxes on income generated in Costa Rica. For those considering retirement in Costa Rica, it may be unwise to expect to earn a living, or to supplement your income. Pensionados and rentistas are allowed to own and operate a business but are not permitted to work for wages for someone else.