BMW X6 M60i vs Porsche Macan GTS — Cost of OwnershipCompare any two cars on the true 5–10 year cost of ownership: purchase price, fuel or electricity, insurance, maintenance, registration, depreciation and resale value. EV vs gas, lease vs buy, with every assumption editable.BMW X6 M60i: $137,446 net over 10 years ($5,826/yr running). Porsche Macan GTS: $127,498 net over 10 years ($5,806/yr running). Estimates for Cedar Park, TX; every assumption is editable.