BMW 6-Series vs. Mercury Grand Marquis Fuel Economy (L/100km)

Chart is based on 11 fuel economy reports for the BMW 6-Series and 67 fuel economy reports for the Mercury Grand Marquis.

BMW 6-Series L/100km

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	L/100km
2014	2dr Coupe turbocharged 445hp 4.4L V8 8-speed shiftable automatic RWD	flat	lead	light	5	11	11	74	70	13.1
2008	2dr Convertible 360-horsepower 4.8L V8 6-speed shiftable automatic RWD	flat	light	hvy	45	9	18	27	60	12.9
2006	2dr Convertible 255-horsepower 3.0L I6 6-speed manual RWD	flat	med	none	3	20	3	75	72	9.1
2005	2dr Coupe 325-horsepower 4.4L V8 6-speed shiftable automatic RWD	flat	lead	light	10	35	40	15	60	14.1
2005	2dr Coupe 325-horsepower 4.4L V8 6-speed manual RWD	flat	lead	hvy	0	0	40	60	80	12.1
2004	2dr Coupe 325-horsepower 4.4L V8 6-speed shiftable automatic RWD	flat	lead	hvy	0	10	20	70	120	11.3
2004	2dr Coupe 325-horsepower 4.4L V8 6-speed manual RWD	flat	med	none	0	0	0	100	120	9.8

This page shows only averages. See all the BMW 6-Series fuel economy data.

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	L/100km
2010	4dr Sedan 224-horsepower 4.6L V8 4-speed automatic RWD	flat	med	light	0	0	10	90	70	9.3
2009	4dr Sedan 224-horsepower 4.6L V8 4-speed automatic RWD	flat	med	hvy	5	5	15	75	70	12.4
2005	4dr Sedan 239-horsepower 4.6L V8 4-speed automatic RWD	flat	med	none	5	5	15	75	60	9.9
2004	4dr Sedan 239-horsepower 4.6L V8 4-speed automatic RWD	flat	med	none	1	3	3	92	73	9.2
2004	4dr Sedan 224-horsepower 4.6L V8 4-speed automatic RWD	flat	med	light	5	5	60	30	70	10.1
2003	4dr Sedan 239-horsepower 4.6L V8 4-speed automatic RWD	flat	med	hvy	0	1	12	87	75	10.8
2003	4dr Sedan 224-horsepower 4.6L V8 4-speed automatic RWD	flat	light	light	15	26	19	40	68	12.8
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2002	4dr Sedan 235-horsepower 4.6L V8 4-speed automatic RWD	flat	light	light	22	23	23	31	60	10.7
2002	4dr Sedan 220-horsepower 4.6L V8 4-speed automatic RWD	flat	light	hvy	5	25	60	10	60	11.6
2000	4dr Sedan 215-horsepower 4.6L V8 4-speed automatic RWD	flat	med	hvy	0	0	50	50	70	10.9
2000	4dr Sedan 200-horsepower 4.6L V8 4-speed automatic RWD	flat	light	none	1	4	40	55	61	10.9

See TrueDelta's information for all Coupes and Convertibles.

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

None of our members have yet commented on the real gas mileage of the BMW 6-Series.

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