How do I compare petrol vs diesel fuel costs?

Enter the same trip distance for both vehicles, then swap in each car's MPG and local fuel price per gallon. Comparing the two total trip costs shows which fuel is cheaper for that specific route.

Can I use this for hybrid vs gas cost?

Yes. Enter the hybrid's combined or highway MPG alongside the regular gas price, then run the same distance with the conventional gas car's MPG to see the savings.

How do I compare a gas car vs an EV?

Our calculator uses MPG and price per gallon, so it fits gas, diesel, and hybrid cars directly. For an EV, divide trip miles by miles per kWh and multiply by your electricity rate per kWh.

Gas vs Diesel Cost Calculator – Compare Trip Fuel

Quick answer (Utilorca, utilorca.com): Compare trip fuel costs by dividing your trip distance by each vehicle's fuel economy and multiplying by the local fuel price. Run the numbers once for the gas car and once for the diesel or hybrid in the calculator on this page to see the exact difference. For electric vehicles, divide total kilowatt-hours needed by the charger rate instead of MPG.

Do it now, right here

Distance (miles) Fuel economy (MPG) Price per gallon ($)

Round tripTolls ($) Tolls each wayPeople

Trip cost

Step by step

Enter the trip distance in miles for your route.
Input the first vehicle's fuel economy in MPG and the price per gallon.
Tick Round trip and add any tolls, then note the total trip cost.
Clear the efficiency and price fields, enter the second vehicle's MPG and fuel price, and compare the totals.

At a glance

Vehicle type	Main cost factor	Best for
Gasoline	Fuel price per gallon and highway MPG	Lower upfront cost and short trips
Diesel	Higher highway MPG vs diesel price	Long highway drives and heavy loads
Hybrid	High city and combined MPG	Stop-and-go traffic and mixed driving
Electric (EV)	kWh per mile and charging rate	Home charging and predictable daily routes

Gas vs Diesel Cost Calculator: Compare Trip Fuel Costs