Mercury Grand Marquis vs. Chevrolet Avalanche MPG

Chart is based on 67 fuel economy reports for the Mercury Grand Marquis and 118 fuel economy reports for the Chevrolet Avalanche.

Mercury Grand Marquis 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
2010	4dr Sedan 224-horsepower 4.6L V8 4-speed automatic RWD	flat	med	light	0	0	10	90	70	25.3
2009	4dr Sedan 224-horsepower 4.6L V8 4-speed automatic RWD	flat	med	hvy	5	5	15	75	70	19.0
2005	4dr Sedan 239-horsepower 4.6L V8 4-speed automatic RWD	flat	med	none	5	5	15	75	60	23.8
2004	4dr Sedan 239-horsepower 4.6L V8 4-speed automatic RWD	flat	med	none	1	3	3	92	73	25.7
2004	4dr Sedan 224-horsepower 4.6L V8 4-speed automatic RWD	flat	med	light	5	5	60	30	70	23.4
2003	4dr Sedan 239-horsepower 4.6L V8 4-speed automatic RWD	flat	med	hvy	0	1	12	87	75	21.8
2003	4dr Sedan 224-horsepower 4.6L V8 4-speed automatic RWD	flat	light	light	15	26	19	40	68	18.5
Looking for a warranty? Get a quote.
2002	4dr Sedan 235-horsepower 4.6L V8 4-speed automatic RWD	flat	light	light	22	23	23	31	60	22.0
2002	4dr Sedan 220-horsepower 4.6L V8 4-speed automatic RWD	flat	light	hvy	5	25	60	10	60	20.3
2000	4dr Sedan 215-horsepower 4.6L V8 4-speed automatic RWD	flat	med	hvy	0	0	50	50	70	21.8
2000	4dr Sedan 200-horsepower 4.6L V8 4-speed automatic RWD	flat	light	none	1	4	40	55	61	21.9

Return to top

This page shows only averages. See all the Mercury Grand Marquis fuel economy data.

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
Looking for a warranty? Get a quote.
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

Return to top

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

See TrueDelta's information for all Sedans

See TrueDelta's information for all Mercury models and Chevrolet models.

What Our Members Are Saying about the Real Gas Mileage of the Mercury Grand Marquis

Mercury Grand Marquis Real Gas Mileage: Pros
Year	Body/Powertrain	Comment
2008	4dr Sedan 224-horsepower 4.6L V8 4-speed automatic RWD	Incredible- 21mpg city, 27mpg HWY see full Mercury Grand Marquis review

Mercury Grand Marquis Real Gas Mileage: Cons
Year	Body/Powertrain	Comment
2005	4dr Sedan 239-horsepower 4.6L V8 4-speed automatic RWD	The V-8 is thirsty for city driving. The extra power would be nice for highway & mountain driving, though. see full Mercury Grand Marquis review

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