Total car budget= yearly car budget x 5 years.
6,520.752 x 5= (32,603.76)

Cost of car: (32,603.76)
Car loan interest rate:(6%)
Loan time: (5 years)

Total car cost simple interest:5*0.06*32,603.76+32,603.76=(42'384.8)
Total car cost compound interest:0.06+1 x 32,603.76=(34,559.985)