Yes, your sport utility vehicle has gotten smaller and more fuel efficient over the years. But even with those gains, SUVs still are behind cars when it comes to gas mileage. The reason: SUVs are …
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Yes, your sport utility vehicle has gotten smaller and more fuel efficient over the years. But even with those gains, SUVs still are behind cars when it comes to gas mileage.
The reason: SUVs are taller and heavier than cars, and no matter how sculpted their bodies are, they still run into more wind resistance.
“It comes down to the laws of physics,’’ said Jake Fisher, director of auto testing for Consumer Reports. “All things being equal, if you put the same powertrain (engine and transmission) in a vehicle that is taller and heavier, you’re going to get better fuel economy out of the car than with an SUV.’’
A comparison by The Associated Press of the 10 top-selling 2019 SUVs and comparable cars with similar gasoline powertrains found that in all cases, cars beat the SUVs in mileage, in several instances by 14% or more. The comparison is between two-wheel-drive vehicles.
The Detroit Three automakers all have stopped making many of their sedans as buyers shifted dramatically toward SUVs and trucks. But the companies said they would be ready with more efficient gas-powered SUVs as well as hybrid and electric utilities if gas prices spike.
About 70 percent of new-vehicle sales in the U.S. are SUVs and trucks and 30% cars as buyers opt for higher seating and more space to haul people and goods. It was about 50-50 just six years ago. SUVs also often are all-wheel-drive for better bad-weather performance, and they usually can tow heavier items.
Around a decade ago, many SUVs were based on truck underpinnings, and often their names were preceded by the words “gas-guzzling.’’ But as fuel prices spiked at times during the early 2000s, more efficient car-based SUVs started to gain in popularity.
Large truck-based SUVs are still around now, and they, too, get better mileage. But few gasoline-powered SUVs come anywhere close to comparable cars, according to Environmental Protection Agency estimates.
For instance, the most efficient gas-powered SUV in 2019, the small Nissan Kicks, gets 33 miles per gallon in combined city and highway driving. But the most efficient gas-powered car, the compact Mitsubishi Mirage, gets 39 mpg, 18% better.
Another good comparison is Honda’s CR-V compact SUV and a similarly equipped Civic compact car. With the same engine and transmission, the Civic gets far better mileage. A two-wheel-drive CR-V gets 30 miles per gallon in combined city and highway driving, but a Civic with the same 1.5-liter turbocharged four-cylinder engine and continuously variable transmission gets 36, or 20% higher. On the highway, the difference is even more pronounced with the Civic’s 42 mpg beating the larger CR-V by almost 24%.
Likewise, Toyota’s Highlander midsize SUV with a 2.7-liter four-cylinder engine gets 22 mpg in combined driving, but the recently updated Camry midsize car gets 34 mpg with a 2.5-liter four-cylinder engine. The Camry has a more efficient transmission that pushes its mileage 54% higher than the comparable Highlander, which will be updated for 2020.
Jeep’s Cherokee small SUV falls short of the mileage of the discontinued Dodge Dart compact car, even though the Cherokee was updated in 2019 and the Fiat Chrysler stopped making the Dart in 2016. A front-wheel-drive Cherokee with a 2-liter four-cylinder engine gets 26 mpg in city-highway driving, while the Dart mileage with a similar engine is 1 mpg, or 4% higher, at 27.
Even though SUVs and truck sales keep growing, research shows buyers still want better fuel economy, said IHS Markit Principal Automotive Analyst Stephanie Brinley. Most buyers, though, pick the type of vehicle they want and then check for mileage, she said.
That’s exactly what Sabrina Walker, 28, of Ann Arbor, Michigan, did when she bought her 2010 Toyota RAV4 small SUV. She wanted the added cargo space to haul things for her house, go camping and transport her two dogs. She decided on an SUV, but then picked the RAV4 in part for its mileage. It can get up to 24 mpg in combined driving and 28 mpg on the highway, according to EPA estimates.
“I won’t ever go back to a small car, not unless it’s a sports car,’’ she said. “It’s always going to be an SUV for me.’’
Brinley says consumers will return to cars en masse if gas prices spike at the same time economy goes sour and people think their jobs are threatened.
Brian Moody, executive editor of Autotrader, predicts some buyers will return to cars after they no longer need larger SUVs to transport children and their gear. As more automakers cancel car models in favor of SUVs, sedans that are left will be top-notch vehicles, updated with new technology that includes smaller, more efficient turbocharged engines, he said.
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