
Fuel Matters
These lists show the vehicles within each category that achieved the best or worst gas mileage in Consumer Reports' real-world tests. They have selected mpg cutoffs that are relative to each category. For example, a vehicle that gets 19 mpg would not be a standout among wagons, but it would be among the highest in the midsized SUV or minivan categories.
Here are some highlights from Consumer Reports' list of the most fuel-efficient new cars.
Photo Credit: kevindooley
—Subscribe to ConsumerReports.org or check out Consumer Reports’ Annual Auto Issue.

The Most Efficient Subcompact Car
Smart ForTwo Passion
Overall mpg: 39
City mpg: 30
Highway mpg: 44
Photo Credit: jiazi
—Subscribe to ConsumerReports.org or check out Consumer Reports’ Annual Auto Issue.

The Most Efficient Small Car
Honda Insight EX
Overall mpg: 38
City mpg: 29
Highway mpg: 45
Photo Credit: David Villarreal Fernandez
—Subscribe to ConsumerReports.org or check out Consumer Reports’ Annual Auto Issue.

The Most Efficient Sporty Car/Roadster
Mini Cooper (base)
Overall mpg: 33
City mpg: 24
Highway mpg: 41
Photo Credit: MSVG
—Subscribe to ConsumerReports.org or check out Consumer Reports’ Annual Auto Issue.

The Most Efficient Sedan
Toyota Camry Hybrid
Overall mpg: 34
City mpg: 28
Highway mpg: 41
Photo Credit: Toyota.com
—Subscribe to ConsumerReports.org or check out Consumer Reports’ Annual Auto Issue.

The Most Efficient Wagon & Hatchback
Toyota Prius IV
Overall mpg: 44
City mpg: 32
Highway mpg: 55
Photo Credit: Toyota.com
—Subscribe to ConsumerReports.org or check out Consumer Reports’ Annual Auto Issue.

The Most Efficient Small SUV
Mercury Mariner Hybrid
Overall mpg: 26
City mpg: 22
Highway mpg: 27
Photo Credit: resedabear
—Subscribe to ConsumerReports.org or check out Consumer Reports’ Annual Auto Issue.

The Most Efficient Midsized/Large SUV
Lexus RX 450h
Overall mpg: 26
City mpg: 22
Highway mpg: 31
Photo Credit: dahnielson
—Subscribe to ConsumerReports.org or check out Consumer Reports’ Annual Auto Issue.

The Most Efficient Minivan
Toyota Sienna XLE (FWD)
Overall mpg: 19
City mpg: 13
Highway mpg: 28
Photo Credit: stevelyon
—Subscribe to ConsumerReports.org or check out Consumer Reports’ Annual Auto Issue.

The Most Efficient Pickup
Toyota Tacoma (base, V6)
Overall mpg: 17
City mpg: 13
Highway mpg: 21
Photo Credit: m_sabal
—Subscribe to ConsumerReports.org or check out Consumer Reports’ Annual Auto Issue.

The Losers
And now, here are the least fuel-efficient cars that Consumer Reports tested.
Photo Credit: Looking Glass
—Subscribe to ConsumerReports.org or check out Consumer Reports’ Annual Auto Issue.

The Least Efficient Subcompact Car
Suzuki SX4 Technology
Overall mpg: 24
City mpg: 17
Highway mpg: 31
Photo Credit: JLaw45
—Subscribe to ConsumerReports.org or check out Consumer Reports’ Annual Auto Issue.

The Least Efficient Small Car
Chevrolet Cobalt LT
Overall mpg: 24
City mpg: 16
Highway mpg: 34
Photo Credit: Ryan Frost
—Subscribe to ConsumerReports.org or check out Consumer Reports’ Annual Auto Issue.

The Least Efficient Roadster/Sporty Car
Dodge Viper SRT10
Overall mpg: 15
City mpg: 10
Highway mpg: 24
Photo Credit: robad0b
—Subscribe to ConsumerReports.org or check out Consumer Reports’ Annual Auto Issue.
The Least Efficient Sedan
Mercury Grand Marquis LSE
Overall mpg: 16
City mpg: 10
Highway mpg: 25
Photo Credit: MercuryVehicles.com
—Subscribe to ConsumerReports.org or check out Consumer Reports’ Annual Auto Issue.

The Least Efficient Small SUV
Jeep Wrangler Unlimited Sahara
Overall mpg: 15
City mpg: 10
Highway mpg: 21
Photo Credit: jiazi
—Subscribe to ConsumerReports.org or check out Consumer Reports’ Annual Auto Issue.

The Least Efficient Midsized SUV
Jeep Commander Limited (5.7, V8)
Overall mpg: 13
City mpg: 9
Highway mpg: 19
Photo Credit: ~anuradha
—Subscribe to ConsumerReports.org or check out Consumer Reports’ Annual Auto Issue.

The Least Efficient Minivan
Volkswagen Routan (4.0)
Overall mpg: 16
City mpg: 10
Highway mpg: 27
Photo Credit: Volkswagen.com
—Subscribe to ConsumerReports.org or check out Consumer Reports’ Annual Auto Issue.

The Least Efficient Pickup
Ford F-250 Lariat (6.4, turbodiesel)
Overall mpg: 10
City mpg: 7
Highway mpg: 16
Photo Credit: TheStreet.com
—Subscribe to ConsumerReports.org or check out Consumer Reports’ Annual Auto Issue.

Best of the Best
Fuel efficiency is one of several factors Consumer Reports takes into account in creating their annual car report. Want to know the overall best cars of 2010? Click here.
Photo Credit: Getty Images
—Subscribe to ConsumerReports.org or check out Consumer Reports’ Annual Auto Issue.

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