the cheapest 2019 cars and SUVs to own over a five year period, assuming 15,000 miles driven annually: Subcompact Car: Honda Fit. Five-year cost-to-own: $27,473. Depreciation: $9,894; operating costs: $17,579 Subcompact SUV/Crossover: Mazda CX-3. Five-year cost to own: $31,901. Depreciation: $13,521; operating costs: $18,380. Compact Car: Volkswagen Jetta 1.4T S. Five-year cost-to-own: $28,271.