Gas vs Electric Car Savings Calculator: Which is Cheaper?


Gas vs Electric Car Savings Calculator

Compare the total cost of ownership and discover your potential savings when choosing between a gasoline and an electric vehicle.

Savings Calculator

Vehicle Details



Enter the total price of the gasoline vehicle.
Please enter a valid price.


Enter the total price of the electric vehicle.
Please enter a valid price.


Enter any applicable rebates or tax credits.
Please enter a valid amount.

Usage & Costs



How many miles you drive per year.
Please enter a valid distance.


Current price of gasoline per gallon.
Please enter a valid price.


Your cost for electricity per kilowatt-hour.
Please enter a valid rate.

Vehicle Efficiency



Miles per gallon for the gas car.
Please enter a valid MPG.


Kilowatt-hours needed to drive 100 miles.
Please enter a valid efficiency.

Ownership Period



How long you plan to own the vehicles (1-20 years).
Please enter a value between 1 and 20.


Total Savings with EV Over 5 Years
$0

Annual Gas Cost: $0
Annual EV Charging Cost: $0
Total Cost of Ownership (Gas): $0
Total Cost of Ownership (EV): $0

Explanation: Total Cost of Ownership (TCO) is the vehicle’s purchase price plus total fuel costs over the ownership period. The EV TCO also subtracts any incentives. Savings are the difference between Gas TCO and EV TCO.


Year Gas Car TCO EV TCO Cumulative Savings
Year-over-year breakdown of Total Cost of Ownership (TCO).

Visual comparison of Total Cost of Ownership over time.

What is a Gas vs Electric Car Savings Calculator?

A gas vs electric car savings calculator is a powerful financial tool designed to provide a clear comparison of the long-term costs associated with owning a gasoline-powered vehicle versus an electric vehicle (EV). While the initial purchase price is a major factor, the true cost of owning a car extends far beyond the sticker price. This calculator helps prospective buyers look at the bigger picture by estimating expenses over several years, making it an indispensable resource for making a smart financial decision. A comprehensive gas vs electric car savings calculator considers fuel, maintenance, purchase price, and government incentives to project a total cost of ownership.

Anyone considering a new vehicle purchase should use a gas vs electric car savings calculator. It is particularly useful for budget-conscious consumers, environmental advocates wanting to understand the financial implications of going green, and anyone curious about the real-world cost differences between these two technologies. By quantifying the savings, this calculator moves the discussion from abstract benefits to concrete numbers.

A common misconception is that EVs are always significantly more expensive. While the upfront cost can be higher, this is not always the case after factoring in tax credits and rebates. Another myth is that fuel savings are minimal. As our gas vs electric car savings calculator demonstrates, the cumulative savings on fuel and maintenance can be substantial over the life of the vehicle, often offsetting the higher initial price.

Gas vs Electric Car Savings Calculator Formula and Mathematical Explanation

The core of the gas vs electric car savings calculator is the Total Cost of Ownership (TCO) formula for each vehicle type. The savings are then derived by comparing these two TCO values. The calculation is broken down into several steps:

  1. Calculate Annual Fuel Cost: This is the most significant ongoing expense.
    • Gas Car Annual Fuel Cost = (Annual Miles Driven / Miles Per Gallon) * Price Per Gallon
    • EV Annual Fuel Cost = (Annual Miles Driven / 100) * kWh per 100 miles * Price Per kWh
  2. Calculate Total Fuel Cost Over Ownership Period:
    • Total Gas Fuel Cost = Annual Gas Fuel Cost * Years of Ownership
    • Total EV Fuel Cost = Annual EV Fuel Cost * Years of Ownership
  3. Calculate Total Cost of Ownership (TCO): This combines the initial purchase price with the running costs.
    • Gas Car TCO = Gas Car Purchase Price + Total Gas Fuel Cost
    • EV TCO = EV Purchase Price – EV Incentives + Total EV Fuel Cost
  4. Calculate Total Savings:
    • Total Savings = Gas Car TCO – EV TCO
Variable Meaning Unit Typical Range
Vehicle Price Initial purchase cost of the car Dollars ($) $20,000 – $80,000
Annual Miles Total distance driven in one year Miles 8,000 – 20,000
Gas Price Cost of one gallon of gasoline $ / Gallon $3.00 – $5.50
Electricity Rate Cost of one kilowatt-hour of electricity $ / kWh $0.10 – $0.30
Gas MPG Gas vehicle fuel efficiency Miles Per Gallon 20 – 50
EV Efficiency EV energy consumption kWh / 100 miles 25 – 40

Practical Examples (Real-World Use Cases)

Example 1: Commuter Focused on Savings

A driver wants to compare a $28,000 gas sedan that gets 32 MPG with a $38,000 EV that qualifies for a $7,500 tax credit. They drive 15,000 miles a year, gas is $3.80/gallon, and electricity is $0.14/kWh. The EV’s efficiency is 28 kWh/100 miles. Using the gas vs electric car savings calculator, we see the EV becomes cheaper after just a few years.

  • Gas Annual Fuel Cost: (15,000 / 32) * $3.80 = $1,781
  • EV Annual Fuel Cost: (15,000 / 100) * 28 * $0.14 = $588
  • Gas TCO (5 years): $28,000 + (5 * $1,781) = $36,905
  • EV TCO (5 years): $38,000 – $7,500 + (5 * $588) = $33,440
  • Interpretation: The driver saves $3,465 over five years, proving the long-term value of the EV despite a higher sticker price.

Example 2: High-Mileage Driver

Consider a rideshare driver who covers 30,000 miles annually. They compare a $35,000 gas SUV (25 MPG) to a $45,000 EV (33 kWh/100 miles). Gas is $4.00/gallon, electricity is $0.18/kWh, and there’s a $5,000 EV incentive. The high mileage dramatically accelerates savings.

  • Gas Annual Fuel Cost: (30,000 / 25) * $4.00 = $4,800
  • EV Annual Fuel Cost: (30,000 / 100) * 33 * $0.18 = $1,782
  • Gas TCO (3 years): $35,000 + (3 * $4,800) = $49,400
  • EV TCO (3 years): $45,000 – $5,000 + (3 * $1,782) = $45,346
  • Interpretation: The high mileage makes the EV cheaper in under three years. For more details on vehicle costs, check out a auto loan amortization schedule to understand monthly payments.

How to Use This Gas vs Electric Car Savings Calculator

This calculator is designed for simplicity and accuracy. Follow these steps to get a clear picture of your potential savings:

  1. Enter Vehicle Prices: Input the purchase price for both the gasoline and electric vehicles you are considering.
  2. Add EV Incentives: Don’t forget to include any federal, state, or local tax credits or rebates available for the EV. This significantly impacts the total cost.
  3. Input Your Driving Habits: Enter your estimated annual mileage. This is one of the most critical factors in determining fuel savings.
  4. Provide Energy Costs: Enter the current price per gallon of gasoline in your area and your residential electricity rate per kilowatt-hour (found on your utility bill).
  5. Set Vehicle Efficiencies: Input the manufacturer-stated MPG for the gas car and the kWh/100 miles for the EV.
  6. Define Ownership Period: Select how many years you plan to own the car. The longer the period, the more savings tend to accumulate.
  7. Analyze the Results: The gas vs electric car savings calculator will instantly display the total savings, a breakdown of annual and total costs, a comparison table, and a visual chart. Use these outputs to guide your decision-making process. For those financing their car, our car loan calculator can provide additional insights.

Key Factors That Affect Gas vs Electric Car Savings

Several variables can influence the outcome of a gas vs. EV comparison. Understanding them is key to using the gas vs electric car savings calculator effectively.

  • Gasoline and Electricity Prices: Volatility in energy markets can significantly alter savings. Higher gas prices amplify EV savings, while higher electricity rates can diminish them.
  • Annual Mileage: The more you drive, the faster you will recoup the higher upfront cost of an EV through fuel savings. High-mileage drivers are prime candidates for switching to electric.
  • Vehicle Efficiency: Not all EVs or gas cars are created equal. A more efficient model (higher MPG or lower kWh/100 miles) will always be cheaper to run.
  • Government Incentives: Tax credits and rebates can erase a significant portion of an EV’s initial price premium. Check for available electric vehicle incentives in your region.
  • Maintenance and Repairs: EVs generally require less maintenance (no oil changes, fewer moving parts), leading to long-term savings not always captured in simple fuel calculators.
  • Vehicle Depreciation: Historically, EVs depreciated faster than gas cars, but this trend is reversing as demand for used EVs grows. This impacts the total cost when you decide to sell the vehicle. You can estimate this with a vehicle depreciation calculator.

Frequently Asked Questions (FAQ)

1. Is it always cheaper to own an EV in the long run?

For most drivers, yes. While it depends on the specific models being compared and local energy prices, the lower fuel and maintenance costs of EVs typically lead to a lower total cost of ownership over time. Our gas vs electric car savings calculator can give you a personalized answer.

2. How much does maintenance for an EV cost compared to a gas car?

Studies show EV maintenance costs can be up to 40% lower than for internal combustion engine (ICE) vehicles. This is because EVs do not require oil changes, spark plug replacements, or exhaust system repairs.

3. What about the cost of installing a home charger?

A Level 2 home charger installation can cost between $500 and $1,500. While this is an additional upfront cost, many EV owners find the convenience and lower cost of home charging (compared to public fast charging) well worth the investment.

4. Do public charging costs change the calculation?

Yes. Public DC fast charging is more expensive than charging at home. If you anticipate relying heavily on public chargers, your annual “fuel” cost will be higher, slightly reducing your overall savings. A good gas mileage calculator can help compare fuel expenses.

5. How does driving style affect an EV’s range and cost?

Aggressive driving, high speeds, and extreme temperatures can reduce an EV’s efficiency, just as they do with a gas car. More conservative driving habits will maximize your range and minimize your cost per mile.

6. Is battery replacement cost a major concern?

EV batteries are designed to last for the life of the vehicle and typically come with an 8-10 year warranty. While replacement is expensive, it is a rare occurrence for most owners within their ownership period. The possibility of this cost is a risk to consider.

7. How accurate is this gas vs electric car savings calculator?

This calculator provides a highly accurate estimate based on the inputs you provide. However, real-world costs can fluctuate. It serves as a powerful guide for financial planning rather than a guaranteed figure.

8. What is “Total Cost of Ownership” (TCO)?

TCO is a comprehensive financial estimate that includes the initial purchase price, all running costs (fuel, maintenance, insurance), and factors in incentives and depreciation to determine the true cost of owning an asset over a specific period. It’s the best metric for an EV cost calculator.

© 2026 Your Company. All rights reserved. This gas vs electric car savings calculator is for informational purposes only.



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