Your MINI Electric car lease and warranty includes a 12 Year/Unlimited Mileage Rust Perforation Limited Warranty, a 4 Year/50,000 mile Limited Warranty, a 4 Year/Unlimited Mileage Roadside Assistance Program, and an 8 Year/100,000-mile High-Voltage Battery Warranty. You can also enjoy our complimentary program for the first 3 years or 36,000 miles, whichever comes first, on scheduled maintenance*, meaning your costs will total $0 for your Cabin Microfilter, Vehicle Check, Battery Charge, Battery Check, and Brake Fluid.