Fuel Savings Calculator
Compare annual fuel costs between two vehicles side by side. See how much you'd save per year and over 5 years by switching to a more efficient car.
Annual Fuel Savings
$797.73/year
Vehicle 1 Cost
$2,147.73
Vehicle 2 Cost
$1,350.00
Gallons Saved
253 gal
5-Year Savings
$3,988.64
โ Vehicle 2 saves $797.73/year โ switching from 22 to 35 MPG saves 253 gallons annually.
๐ก How to Use the Fuel Savings Calculator
How to Calculate Fuel Savings Between Vehicles
When considering a new vehicle, fuel savings are a major factor. A vehicle with better fuel economy can save thousands of dollars over its lifetime.
Example: Switching from a 22 MPG SUV to a 35 MPG sedan, driving 15,000 miles/year at $3.15/gallon:
- SUV: 15,000 รท 22 ร $3.15 = $2,148/year
- Sedan: 15,000 รท 35 ร $3.15 = $1,350/year
- Annual savings: $798/year
- 5-year savings: $3,990
Diminishing Returns of Higher MPG
Counterintuitively, improving from 15 to 25 MPG saves more than improving from 35 to 45 MPG for the same annual mileage. This is because fuel consumption is inversely proportional to MPG. Going from 15โ25 saves 267 gallons; going from 35โ45 saves only 95 gallons (at 15,000 miles/year).