BMW 3 Series M340i xDrive vs Polestar Polestar 2 Long Range Dual Motor — 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 3 Series M340i xDrive: $100,634 net over 10 years ($4,672/yr running). Polestar Polestar 2 Long Range Dual Motor: $102,985 net over 10 years ($4,089/yr running). Estimates for Cedar Park, TX; every assumption is editable.