The Green Car Payback Question

By Jim Motavalli And Tabitha Alterman
Published on May 10, 2012
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PHOTO: FOTOLIA/ANDY DEAN
Calculate how long the green car payback period will be for any car at any projected gas price to help you decide if the return on your hybrid or electric car investment is worthwhile.

Who doesn’t want clean air, clean water, a comfortable climate and a healthy environment for today and for future generations? Although most folks agree that hybrid and electric cars contribute to all of these societal blessings, if they also save us money, they’ll grab a bigger share of the market.

But their higher initial price tag can be hard to swallow or even impossible to pay for some, especially during these unstable economic times. The deciding factor for some comes down to the expected return on investment, or ROI: How long will it take to make back your investment with at-the-pump savings?

To help you envision that payback period, we’ve compared six sets of comparable cars in a range of prices, styles and miles per gallon ratings. The payback periods range from less than four months (keep reading to see this gem!) to more than 17 years (eek!). In short, predicting green car ROI is a complex task with many variables, but doing so is useful if you’re in the market for a new car.

Real-Life Return on Electric Car Investment

Each person’s green car payback will be different. Our comparisons are based on an average of 15,000 miles driven annually, with 45 percent of that on highways and 55 percent within cities. If you drive more than that in the city, you could stand to save a ton of dough by driving a hybrid or all-electric car. Stop-and-go driving and relatively slower speeds require less energy from the cars’ batteries, maximizing the already stellar energy efficiency of electric drive (see How Much Does It Cost to Power an Electric Car? in the article “Why Electric Cars Are Cleaner”). If you drive more than 15,000 miles a year (that’s about 1,250 monthly, 312 weekly or 45 daily), you’ll definitely break even sooner. Gas prices are volatile and it’s difficult to predict their roller coaster rides. But there can be no disputing that the faster gas prices rise and the higher they go, the more you’ll save with a high-mpg car. We’ve devised a simple worksheet to help you calculate your own potential payback period with whichever vehicles you’d like to consider and whatever gas price you want to input. Your old clunker only gets 18 mpg these days, you say? You’re in for a treat. (See How to Calculate Your Own Green Car Payback.)

Our calculations and worksheet consider only prices and gas mileage, but you should also look at the cost or savings associated with insurance, maintenance (keep reading), and local incentives.

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