Mercury Grand Marquis vs. BMW 7-Series Fuel Economy (g/100m)

Chart is based on 67 fuel economy reports for the Mercury Grand Marquis and 156 fuel economy reports for the BMW 7-Series.

Mercury Grand Marquis g/100m

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	g/100m
2010	4dr Sedan 224-horsepower 4.6L V8 4-speed automatic RWD	flat	med	light	0	0	10	90	70	4.0
2009	4dr Sedan 224-horsepower 4.6L V8 4-speed automatic RWD	flat	med	hvy	5	5	15	75	70	5.3
2005	4dr Sedan 239-horsepower 4.6L V8 4-speed automatic RWD	flat	med	none	5	5	15	75	60	4.2
2004	4dr Sedan 239-horsepower 4.6L V8 4-speed automatic RWD	flat	med	none	1	3	3	92	73	3.9
2004	4dr Sedan 224-horsepower 4.6L V8 4-speed automatic RWD	flat	med	light	5	5	60	30	70	4.3
2003	4dr Sedan 239-horsepower 4.6L V8 4-speed automatic RWD	flat	med	hvy	0	1	12	87	75	4.6
2003	4dr Sedan 224-horsepower 4.6L V8 4-speed automatic RWD	flat	light	light	15	26	19	40	68	5.4
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2002	4dr Sedan 235-horsepower 4.6L V8 4-speed automatic RWD	flat	light	light	22	23	23	31	60	4.5
2002	4dr Sedan 220-horsepower 4.6L V8 4-speed automatic RWD	flat	light	hvy	5	25	60	10	60	4.9
2000	4dr Sedan 215-horsepower 4.6L V8 4-speed automatic RWD	flat	med	hvy	0	0	50	50	70	4.6
2000	4dr Sedan 200-horsepower 4.6L V8 4-speed automatic RWD	flat	light	none	1	4	40	55	61	4.6

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	g/100m
2014	4dr Sedan, ext. turbocharged 315hp 3.0L I6 8-speed shiftable automatic AWD	hills	lead	none	0	60	40	0	0	6.1
2010	4dr Sedan turbocharged 400hp 4.4L V8 6-speed shiftable automatic RWD	flat	med	hvy	10	10	75	5	80	7.1
2009	4dr Sedan turbocharged 400hp 4.4L V8 6-speed shiftable automatic RWD	flat	med	light	0	15	5	80	65	6.1
2008	4dr Sedan 360-horsepower 4.8L V8 6-speed shiftable automatic RWD	hills	med	light	20	10	20	50	75	5.3
2007	4dr Sedan 360-horsepower 4.8L V8 6-speed shiftable automatic RWD	flat	light	light	0	0	20	80	70	3.7
2006	4dr Sedan 360-horsepower 4.8L V8 6-speed shiftable automatic RWD	hills	med	hvy	6	26	12	56	72	4.8
2004	4dr Sedan 325-horsepower 4.4L V8 6-speed shiftable automatic RWD	hills	med	light	23	28	40	10	65	15.4
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2003	4dr Sedan 325-horsepower 4.4L V8 6-speed shiftable automatic RWD	flat	light	none	45	20	5	30	60	4.8
2002	4dr Sedan 325-horsepower 4.4L V8 6-speed shiftable automatic RWD	flat	med	light	0	50	30	20	75	5.3
2001	4dr Sedan 282-horsepower 4.4L V8 5-speed shiftable automatic RWD	hills	med	hvy	27	28	7	38	70	4.9
2001	4dr Sedan 282-horsepower 4.4L V8 5-speed automatic RWD	flat	med	light	10	10	5	75	75	3.6
2000	4dr Sedan, ext. 326-horsepower 5.4L V12 5-speed shiftable automatic RWD	hills	med	hvy	10	40	25	25	70	6.4
2000	4dr Sedan 282-horsepower 4.4L V8 5-speed shiftable automatic RWD	hills	lead	hvy	1	4	10	85	80	4.9

This page shows only averages. See all the BMW 7-Series fuel economy data.

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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

None of our members have yet commented on the real gas mileage of the BMW 7-Series.