what major repairs should I plan for if I purchase a 2016 Kia Sorento with 98,000 miles?

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The 2016 Kia Sorento with 98,000 miles was first owned by a rental company for 1 year, 2 months, then owned as a personal auto for 2 years, 5 months. Carfax shows a rear end accident 01/04/2017 with no damage. No maintenance records for second ownership. The car is very clean and looks great, but I'm concerned about the extremely high mileage and what I need to budget for potential high repair costs, such as transmission, etc. It ran fine the few miles I drove it. I'll have a mechanic check it out, but I need to make a decision asap. Any help will be appreciated. Approximately how long could I expect the major items (i.e. transmission, etc.) to last and how costly, on average, might they be. Thanks very, very much. Mildred Crowley