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Extended cab pickups have a vast array of benefits that make them appealing buys. There’s the spacious interior designed to fit passengers comfortably. Then there’s the technological features, with many models offering everything from terrain mapping to hands-free calling.

However, as many buyers can attest, the truck’s fuel efficiency can often be the determining factor in whether it’s the right purchase. AxleGeeks examined each 2015 extended cab pickup model to identify the nine that deliver the best fuel efficiency.

2015 Nissan Titan S

The 2015 Nissan Titan delivers a combined fuel efficiency of only 15 miles per gallon making it 17 percent less efficient than the average output of other trucks in its class.

2015 Toyota Tundra SR

With a combined output of 17 mpg—55 percent factored into its 15 city mpg and 45 percent for its 19 highway mpg—the 2015 Toyota Tundra’s efficiency aligns with expectations for a truck of its size.

2015 Nissan Frontier S

This model earns up to 19 miles per gallon in the city and 23 mpg on the highway, making its 21 combined mpg average for its class.

2015 GMC Sierra 1500

The 2015 GMC Sierra 1500 is an appealing choice because it delivers a combined 21 mpg, making it 17 percent more efficient than its similar-sized counterparts.

2015 Ford F-150 XL

This truck delivers the efficiency you demand with its respectable highway 25 mpg and city output of 18 mpg. Its combined 21 mpg puts it in a similar position with the 2015 GMC Sierra, as both are 17 percent more efficient than others in its class.

2015 Chevrolet Silverado 1500 Work Truck

This model delivers decent efficiency with a combined 21 mpg. Where it really shines is in its highway range, where its ability to go up to 624 miles on a single tank is 52 miles more than its competitors, resulting in fewer trips to the gas station.

2015 GMC Canyon SL

The 2015 GMC Canyon SL delivers 19 mpg in the city and 26 mpg on the highway, resulting in a combined efficiency of 22 mpg. This makes the truck 4.8 percent more efficient than other models in its class.

2015 Chevrolet Colorado

Similar to the 2015 GMC Canyon SL, the 2015 Chevrolet Colorado earns a combined 22 mpg, making it 4.8 percent more efficient than the average efficiency output of its competitors. Add to this a highway range of 546 miles—61 miles better than its competition—and this truck is a great option if you want to save on fuel costs.

2015 Toyota Tacoma

The 2015 Toyota Tacoma tops the list as the most efficient extended cab pickup with a combined fuel efficiency of 23 miles per gallon. Its output is 9.5 percent more efficient than other trucks in its class.

Adding to its allure is its city range of 443 miles on a single tank, which is 44 miles more than you would receive from similar-sized trucks.