EV vs Gas Car Savings Calculator
Compare total cost of ownership using EPA-standard fuel economy data and industry TCO models.
National average ~$3.15/gal. Check AAA for your state.
National average ~$0.167/kWh. Check your utility bill.
Most EVs achieve 2.5-3.5 miles per kWh.
Public DC fast charging costs 2-4x more than home.
Federal tax credit up to $7,500. Some states offer additional rebates.
EVs typically save $450-600/year on maintenance (no oil changes, fewer brake jobs).
EVs often cost $200-400 more annually to insure due to higher repair costs.
What Is an EV vs Gas Car Savings Calculator?
An EV vs Gas Car Savings Calculator is a tool that estimates and compares the total cost of ownership (TCO) for electric vehicles and gasoline cars over a set period.
It combines key cost factors like fuel or electricity, maintenance, insurance, registration fees, and purchase price. By using real-world inputs such as miles driven per year and local energy prices, the calculator shows whether an EV saves money or costs more over time. This type of analysis is widely used by buyers, fleet managers, and financial planners.
How the Total Cost of Ownership Formula Works
The calculator uses a total cost of ownership model. It calculates yearly and lifetime costs for both vehicle types and compares them.
Each part of the formula is based on your inputs:
- Purchase Price: EV price minus incentives vs gas car price
- Fuel Cost: Based on miles, MPG, gas price, or electricity rate
- Maintenance: Annual cost multiplied by ownership years
- Insurance: Annual premium over time
- Fees: Registration and EV-specific charges
Fuel and energy costs are calculated separately:
The calculator also adjusts electricity cost based on charging mix. Public charging can cost about 3 times more than home charging, so it blends the rate accordingly.
Example: If you drive 12,000 miles per year, your gas car gets 28 MPG, and gas costs $3.50, your annual fuel cost is about $1,500. If your EV gets 3 miles per kWh and electricity costs $0.16, your annual cost is about $640. That’s a yearly savings of roughly $860.
Edge cases include very low mileage (where savings shrink) and high public charging use, which increases EV costs.
How to Use the EV vs Gas Car Savings Calculator: Step-by-Step
- Enter your annual miles driven to estimate yearly usage.
- Select your ownership period (3, 5, 7, or 10 years).
- Input your local gas price and electricity rate.
- Choose your gas vehicle MPG or enter a custom value.
- Select EV efficiency in miles per kWh or enter your own.
- Pick your charging mix (home vs public charging).
- Enter vehicle purchase prices and EV incentives.
- Add annual costs for maintenance, insurance, and fees.
- Click “Calculate Total Savings” to see results.
The results show total cost, monthly savings, cost per mile, and a full breakdown. A positive number means the EV saves money. A negative number means it costs more over the selected period.
Real-World Use Cases and Insights
When EVs Save the Most
EVs tend to save the most when you drive a lot each year and charge mostly at home. Lower electricity rates and higher gas prices increase savings quickly. Incentives like tax credits also reduce upfront cost.
When Gas Cars May Be Cheaper
If you drive very little or rely heavily on public fast charging, EV savings shrink. High EV purchase prices and insurance costs can also reduce the financial advantage.
Common Mistakes to Avoid
- Ignoring incentives that reduce EV cost
- Underestimating gas price increases
- Overlooking maintenance savings from EVs
- Using unrealistic mileage estimates
This calculator is based on standard TCO models and reflects real-world cost patterns. :contentReference[oaicite:0]{index=0}
Frequently Asked Questions
How much cheaper is an EV compared to a gas car?
An EV can be cheaper by thousands over time. Savings depend on fuel prices, mileage, and incentives. Most savings come from lower fuel and maintenance costs.
What is total cost of ownership for a car?
Total cost of ownership includes all expenses over time. This covers purchase price, fuel, maintenance, insurance, and fees. It gives a full picture of what a car really costs.
Do EVs really save money on fuel?
Yes, EVs usually cost less to run. Electricity is cheaper than gasoline per mile. The savings increase if you charge at home instead of using public chargers.
Is maintenance cheaper for electric cars?
Yes, EVs have fewer moving parts. They do not need oil changes and have less brake wear. This reduces yearly maintenance costs significantly.
How do charging costs compare to gas prices?
Charging is usually cheaper than gas per mile. However, public fast charging can cost 2–4 times more than home charging, which affects savings.
Is insurance higher for EVs?
Yes, EV insurance can be slightly higher. This is due to higher repair costs and expensive parts. The difference is usually a few hundred dollars per year.
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