Mazda MX-5 Miata RF Grand Touring vs Toyota GR Corolla Core — 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.Mazda MX-5 Miata RF Grand Touring: $69,745 net over 10 years ($4,012/yr running). Toyota GR Corolla Core: $78,552 net over 10 years ($4,833/yr running). Estimates for Cedar Park, TX; every assumption is editable.