Electric Vehicle (EV) vs Gas Car Financial Comparison Calculator
Electric Vehicle (EV) vs Gas Car Comparison Calculator evaluates the true financial, energy, and operational cost differences between internal combustion engine (ICE) vehicles and battery electric vehicles (BEVs) directly within browser memory. It provides prospective car buyers and fleet managers with transparent total cost of ownership (TCO) projections without vendor bias.
The evaluation model compares key operational metrics: Annual Driving Distance (miles or kilometers), Gas Car Fuel Economy (MPG or L/100km), Gasoline Price per unit, Electric Vehicle Energy Consumption (kWh per 100 miles/km), Residential Electricity Cost per kWh, and Annual Scheduled Maintenance Differentials (accounting for EV savings on engine oil changes, transmission fluids, and brake pad wear). The results dashboard delivers monthly energy costs, annual cost differences, and a multi-year cumulative savings projection chart.
Concrete Scenario: A commuter drives 15,000 miles annually. Their current gas sedan achieves 28 MPG with fuel at $3.60/gallon ($1,928 annual fuel cost). A prospective EV consumes 28 kWh per 100 miles with home electricity at $0.14/kWh ($588 annual electricity cost). Factoring in an estimated $400 annual maintenance savings, the calculator projects a net annual operating savings of $1,740, reaching $8,700 in cumulative savings over a 5-year ownership period.
All energy calculations, fuel efficiency conversions, and multi-year financial projections execute strictly within local browser memory, ensuring your driving habits, vehicle choices, and financial considerations remain private.
Best Practices & Essential Guidelines
- Use your actual domestic residential electric utility rate (found on your monthly utility bill in cents/kWh) rather than national averages for realistic estimates.
- Factor in public DC fast charging if you cannot charge at home, as commercial charging typically costs 2x to 3x residential rates.
- Include routine maintenance savings; EVs have fewer moving parts and do not require oil changes, spark plugs, timing belts, or emissions testing.
- Account for regional climate effects: cold winter driving can reduce electric vehicle battery range and efficiency by 15% to 25%.