Chevrolet Avalanche vs. Ford Flex MPG

Chart is based on 118 fuel economy reports for the Chevrolet Avalanche and 390 fuel economy reports for the Ford Flex.

Chevrolet Avalanche MPG

Year	Body/Powertrain	flat, hilly, or mountainousLand	driving style: very light to "lead foot"Foot	A/C use: none to heavyA/C	constant stop and goTraf %	many stops per mileCity %	stop every mile or twoSub %	fairly steady speedHwy %	Hwy Spd	MPG
2013	4dr SUT 320-horsepower 5.3L V8 6-speed shiftable automatic 4WD w/low range	flat	med	light	0	0	50	50	70	13.7
2012	4dr SUT 320-horsepower 5.3L V8 6-speed shiftable automatic 4WD w/low range	flat	med	none	0	10	55	35	75	17.0
2011	4dr SUT 320-horsepower 5.3L V8 6-speed shiftable automatic RWD	flat	light	none	45	0	32	23	90	17.7
2011	4dr SUT 320-horsepower 5.3L V8 6-speed shiftable automatic 4WD w/low range	hills	med	light	0	0	0	100	80	18.2
2011	4dr SUT 320-horsepower 5.3L V8 6-speed shiftable automatic 4WD	flat	v.lt	none	0	0	43	58	100	15.4
2009	4dr SUT 310-horsepower 5.3L V8 6-speed shiftable automatic 4WD w/low range	flat	light	none	0	10	25	65	70	17.6
2008	4dr SUT 320-horsepower 5.3L V8 4-speed automatic 4WD w/low range	flat	med	hvy	10	10	20	60	70	16.9
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2007	4dr SUT 320-horsepower 5.3L V8 4-speed automatic RWD	flat	med	hvy	5	40	40	15	60	16.1
2007	4dr SUT 320-horsepower 5.3L V8 4-speed automatic 4WD w/low range	flat	light	light	4	16	24	56	65	15.6
2006	4dr SUT 295-horsepower 5.3L V8 4-speed automatic RWD	hills	med	light	5	80	0	15	75	18.2
2006	4dr SUT 295-horsepower 5.3L V8 4-speed automatic 4WD w/low range	flat	med	none	5	40	18	38	65	14.5
2005	4dr SUT 295-horsepower 5.3L V8 4-speed automatic RWD	flat	med	light	5	5	15	75	70	19.0
2005	4dr SUT 295-horsepower 5.3L V8 4-speed automatic 4WD w/low range	flat	light	light	8	2	26	63	65	14.5
2004	4dr SUT 295-horsepower 5.3L V8 4-speed automatic 4WD w/low range	hills	light	none	0	0	7	93	80	17.3
2003	4dr SUT 285-horsepower 5.3L V8 4-speed automatic 4WD w/low range	flat	med	none	21	23	25	30	80	15.5
2002	4dr SUT 285-horsepower 5.3L V8 4-speed automatic RWD	flat	light	none	0	50	30	20	60	13.2
2002	4dr SUT 285-horsepower 5.3L V8 4-speed automatic 4WD w/low range	hills	light	light	0	0	0	100	70	20.5

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This page shows only averages. See all the Chevrolet Avalanche fuel economy data.

Ford Flex MPG

Year	Body/Powertrain	flat, hilly, or mountainousLand	driving style: very light to "lead foot"Foot	A/C use: none to heavyA/C	constant stop and goTraf %	many stops per mileCity %	stop every mile or twoSub %	fairly steady speedHwy %	Hwy Spd	MPG
2014	4dr SUV 287-horsepower 3.5L V6 6-speed shiftable automatic AWD	flat	light	none	0	55	0	45	110	17.9
2013	4dr SUV turbocharged 365hp 3.5L V6 6-speed shiftable automatic AWD	flat	med	hvy	10	20	10	60	70	18.7
2013	4dr SUV 287-horsepower 3.5L V6 6-speed shiftable automatic FWD	flat	light	hvy	5	0	58	37	75	18.6
2012	4dr SUV 262-horsepower 3.5L V6 6-speed automatic FWD	flat	med	none	0	16	26	59	68	23.6
2011	4dr SUV turbocharged 355hp 3.5L V6 6-speed shiftable automatic AWD	flat	med	light	47	10	15	28	80	18.3
2011	4dr SUV 262-horsepower 3.5L V6 6-speed automatic FWD	flat	light	none	0	25	50	25	75	22.5
2011	4dr SUV 262-horsepower 3.5L V6 6-speed automatic AWD	flat	light	none	10	60	20	10	60	17.8
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2010	4dr SUV turbocharged 355hp 3.5L V6 6-speed shiftable automatic AWD	flat	med	none	6	10	23	61	73	20.1
2010	4dr SUV 262-horsepower 3.5L V6 6-speed automatic FWD	flat	light	none	5	23	25	48	66	21.7
2010	4dr SUV 262-horsepower 3.5L V6 6-speed automatic AWD	flat	med	none	0	33	0	67	100	21.4
2009	4dr SUV 262-horsepower 3.5L V6 6-speed automatic FWD	flat	light	light	2	13	23	62	70	22.9
2009	4dr SUV 262-horsepower 3.5L V6 6-speed automatic AWD	hills	med	light	4	36	38	22	68	17.3

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This page shows only averages. See all the Ford Flex fuel economy data.

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What Our Members Are Saying about the Real Gas Mileage of the Chevrolet Avalanche

Chevrolet Avalanche Real Gas Mileage: Pros
Year	Body/Powertrain	Comment
2011	4dr SUT 320-horsepower 5.3L V8 6-speed shiftable automatic 4WD	0 see full Chevrolet Avalanche review
2007	4dr SUT 320-horsepower 5.3L V8 4-speed automatic 4WD w/low range	GREAT MPG FOR MID-SIZE TRUCK. see full Chevrolet Avalanche review

Chevrolet Avalanche Real Gas Mileage: Cons
Year	Body/Powertrain	Comment
2011	4dr SUT 320-horsepower 5.3L V8 6-speed shiftable automatic 4WD	what fuel economy? bought it to pull a Brenderup horse trailer (3300lbs including 1 horse) that can be pulled with a 4cyl car in europe.... doing 22l/100km on flat roads with light foot. more than double combined rating ....GM unresponsive! see full Chevrolet Avalanche review
2007	4dr SUT 320-horsepower 5.3L V8 4-speed automatic RWD	14MPG in the city sucks. see full Chevrolet Avalanche review
2007	4dr SUT 320-horsepower 5.3L V8 4-speed automatic 4WD w/low range	It only averages around 14 to 15 in a mostly city driving environment. Was hoping the V4 mode would kick in more often to help improve the economy. see full Chevrolet Avalanche review

What Our Members Are Saying about the Real Gas Mileage of the Ford Flex

Ford Flex Real Gas Mileage: Pros
Year	Body/Powertrain	Comment
2010	4dr SUV 262-horsepower 3.5L V6 6-speed automatic FWD	I am currently averaging 20 MPG overall with heavy highway use. For the size of vehicle I think that is rather reasonable. see full Ford Flex review
2010	4dr SUV 262-horsepower 3.5L V6 6-speed automatic FWD	1000 miles of ownership so far, 21-22 mpg in light suburb and highway driving, 24-25 mpg on 500 mile trip (fuel economy measured by calculating miles driven divided by gallons of fuel purchased). see full Ford Flex review
2009	4dr SUV 262-horsepower 3.5L V6 6-speed automatic FWD	Only driven around town, mileage 16.6, have never had it on the open road. see full Ford Flex review
2009	4dr SUV 262-horsepower 3.5L V6 6-speed automatic FWD	Very good for a 4500 lb vehicle. see full Ford Flex review