Car

Gas car or electric car?

What each costs to run for a year. Fill in what you know; anything you leave blank uses a typical rating or United States (national average)'s average price.

Your numbers

Your state (for average prices)

Miles you drive a year miles

Your odometer, or last year's inspection or service records. Blank = 12,000.

Gas car fuel economy MPG

Combined MPG from the window sticker or fueleconomy.gov. Blank = 28.

Electric car consumption kWh per 100 miles

The EPA label figure, which counts charging losses. Blank = 30.

Prices blank = United States (national average) average

Gasoline price $ per gallon

Electricity price $ per kWh

Your bill's price per unit, taxes and delivery charges included, is the most accurate number. Where the averages come from

Purchase prices and CO2 (optional)

Price of the gas model $

Price of the electric model $

Rebates or credits you will actually get for the electric one $

Your grid's CO2 per kWh kg CO2 per kWh

Payback is worked out only when both purchase prices are filled in. Count only rebates or credits you know you qualify for.

Fill in what you know, then Compare

Pressing Compare with every box blank shows the typical case with United States (national average)'s average prices. Then change one number at a time to see what moves the result.

Miles you drive a year12,000 miles
Gas car fuel economy28 MPG
Electric car consumption30 kWh per 100 miles

Household Ledger $1.95/month or $19.50/year, or $1.00 for one printable report Free during preview