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Compare 2026 Camry and Accord powertrains, fuel costs, passenger needs, safety equipment, and recall checks before choosing a midsize sedan.
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Fuel-savings payback calculator
When would better MPG pay for itself?
Compare the fuel cost of two gasoline vehicles over the same miles. See whether the fuel savings could cover an extra upfront cost—and how long that would take.
01 / Your inputs
Make it your own.
Start with the example below. Change any value to update your estimate.
Calculated in your browser. Your entries are not submitted or saved.
02 / Your estimate
ExampleEstimated fuel-only payback
4.8 years
57,143 miles to recover $3,000.00
Complete the highlighted fields to see your estimate.
- Current fuel / year
- $1,680.00
- Alternative fuel / year
- $1,050.00
- Fuel savings / year
- $630.00
- Extra upfront cost
- $3,000.00
This compares fuel costs only. Insurance, financing, maintenance and resale value can change the overall decision.
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03 / See the bigger picture
Does the fuel saving close the gap?
Cumulative fuel costs at unchanged prices and mileage. The alternative also includes the extra upfront cost you entered. Other ownership costs are excluded.
Slide to explore. Use arrow keys for finer control.
- Current vehicle fuel
- —
- Alternative fuel + extra cost
- —
Behind the numbers
How the fuel savings payback calculation works
Savings per mile = gas price × (1 ÷ current MPG − 1 ÷ alternative MPG). Break-even miles = extra upfront cost ÷ savings per mile. Break-even years = break-even miles ÷ annual miles, when savings and miles are positive.
A worked example
At 12,000 miles/year and $3.50/gallon, moving from 25 to 40 MPG saves $630/year in fuel. Recovering an extra $3,000 through those savings takes about 57,143 miles, or 4.8 years.
A little more clarity
Fuel savings payback questions
What if the alternative uses more fuel?
There is no fuel-savings payback for a positive extra upfront cost. The calculator shows that outcome instead of inventing a break-even date.
What if gas prices change?
Try different expected prices. The chart is a constant-price scenario, not a forecast.
Does break-even mean buying the car is worth it?
No. It only answers whether estimated fuel savings cover the extra amount you entered. Other purchase and ownership costs need separate consideration.
From the RecallWire desk
Related reading
More context for the decisions ahead.
CAFE Credit Trading Ends, Changing 2028 Car Plans
NHTSA’s new fuel-economy rule does more than slow the path to 2031: ending inter-manufacturer credit trading in 2028 shifts compliance pressure back onto each automaker’s own lineup.
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New CAFE Rule Slows the 2031 Fuel-Economy Climb
NHTSA’s final standards for model years 2027 through 2031 ease the prior federal trajectory. The change matters most in automakers’ product planning, while buyers should still assess each vehicle’s actual fuel costs and
Read articleBefore your next drive
Keep safety on the checklist.
Explore recall campaigns or find the official lookup for your specific vehicle.