GMC Sierra 1500 vs. Mazda Mazda5 Fuel Economy (km/L)

Chart is based on 526 fuel economy reports for the GMC Sierra 1500 and 414 fuel economy reports for the Mazda Mazda5.

GMC Sierra 1500 km/L

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	km/L
2021	4dr Crew Cab 6ft bed turbocharged 277hp 3.0L V6 Diesel 10-speed shiftable automatic 4WD w/low range	flat	light	light	0	25	25	50	70	57.6
2018	4dr Crew Cab 5.5ft bed 420-horsepower 6.2L V8 8-speed shiftable automatic 4WD w/low range	flat	light	light	0	5	15	80	70	51.7
2015	4dr Crew Cab 5.5ft bed 420-horsepower 6.2L V8 8-speed shiftable automatic 4WD w/low range	flat	med	light	0	5	0	95	65	49.3
2015	2dr Regular Cab 6.5ft bed 355-horsepower 5.3L V8 6-speed shiftable automatic 4WD w/low range	flat	med	none	8	38	0	55	118	8.0
2014	4dr Crew Cab 5.5ft bed 420-horsepower 6.2L V8 6-speed shiftable automatic 4WD w/low range	hills	med	none	0	0	25	75	75	44.6
2014	4dr Crew Cab 5.5ft bed 355-horsepower 5.3L V8 6-speed shiftable automatic RWD	flat	light	hvy	5	10	0	85	63	58.8
2011	4dr Extended Cab 6.5ft bed 403-horsepower 6.2L V8 6-speed shiftable automatic RWD	flat	med	light	5	10	25	60	75	38.8
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2011	4dr Extended Cab 6.5ft bed 315-horsepower 5.3L V8 6-speed shiftable automatic RWD	flat	med	hvy	5	0	25	70	60	43.0
2011	4dr Extended Cab 6.5ft bed 302-horsepower 4.8L V8 4-speed automatic 4WD, part-time w/low range	hills	light	none	3	18	42	37	70	35.7
2010	4dr Extended Cab 6.5ft bed 315-horsepower 5.3L V8 6-speed shiftable automatic 4WD w/low range	flat	light	light	10	35	15	40	71	29.3
2010	4dr Crew Cab 5.5ft bed 403-horsepower 6.2L V8 6-speed shiftable automatic AWD	hills	med	light	0	25	25	50	60	43.5
2010	2dr Regular Cab 6.5ft bed 302-horsepower 4.8L V8 4-speed automatic RWD	flat	med	light	18	1	0	81	68	42.4
2009	4dr Extended Cab 6.5ft bed 367-horsepower 6.0L V8 6-speed shiftable automatic 4WD w/low range	flat	med	none	3	8	23	68	63	40.7
2009	4dr Extended Cab 6.5ft bed 315-horsepower 5.3L V8 4-speed automatic 4WD, part-time w/low range	hills	med	none	5	80	0	15	75	36.2
2009	4dr Crew Cab 5.5ft bed 367-horsepower 6.0L V8 6-speed shiftable automatic 4WD w/low range	flat	light	hvy	0	0	0	100	110	7.1
2009	4dr Crew Cab 5.5ft bed 315-horsepower 5.3L V8 6-speed shiftable automatic 4WD w/low range	flat	light	light	8	28	17	47	65	42.1
2008	4dr Extended Cab 6.5ft bed 315-horsepower 5.3L V8 4-speed automatic RWD	flat	light	light	0	10	0	90	100	8.6
2008	4dr Extended Cab 6.5ft bed 315-horsepower 5.3L V8 4-speed automatic 4WD w/low range	hills	light	light	17	22	27	34	60	40.0
2008	4dr Extended Cab 5.5ft bed 315-horsepower 5.3L V8 4-speed automatic 4WD w/low range	hills	light	light	0	33	25	42	70	40.0
2008	4dr Crew Cab 5.5ft bed 315-horsepower 5.3L V8 4-speed automatic 4WD w/low range	flat	light	none	9	0	27	64	60	42.1
2008	4dr Crew Cab 5.5ft bed 295-horsepower 4.8L V8 4-speed automatic 4WD, part-time w/low range	hills	lead	none	18	0	33	50	115	5.9
2008	2dr Regular Cab 8ft bed 295-horsepower 4.8L V8 4-speed automatic RWD	flat	light	light	0	0	10	90	65	51.7
2008	2dr Regular Cab 6.5ft bed 195-horsepower 4.3L V6 4-speed automatic RWD	flat	light	none	5	10	10	75	60	45.9
2007	4dr Extended Cab 6.5ft bed 367-horsepower 6.0L V8 4-speed automatic 4WD w/low range	hills	light	light	0	10	10	80	60	33.2
2007	4dr Extended Cab 6.5ft bed 315-horsepower 5.3L V8 4-speed automatic RWD	flat	light	light	12	37	25	27	75	41.6
2007	4dr Extended Cab 6.5ft bed 315-horsepower 5.3L V8 4-speed automatic 4WD w/low range	flat	med	light	5	0	53	43	70	33.2
2007	4dr Crew Cab 5.5ft bed 367-horsepower 6.0L V8 4-speed automatic RWD	flat	med	light	5	30	7	59	70	42.5
2007	4dr Crew Cab 5.5ft bed 367-horsepower 6.0L V8 4-speed automatic 4WD w/low range	flat	med	none	23	3	0	74	75	38.9
2007	4dr Crew Cab 5.5ft bed 315-horsepower 5.3L V8 4-speed automatic 4WD, part-time w/low range	flat	light	light	10	30	45	15	60	42.6
2007	4dr Crew Cab 5.5ft bed 315-horsepower 5.3L V8 4-speed automatic 4WD w/low range	flat	light	none	4	10	9	77	66	43.2
2007	4dr Crew Cab 5.5ft bed 295-horsepower 4.8L V8 4-speed automatic RWD	flat	med	light	5	65	0	30	60	39.3
2006	4dr Extended Cab 6.5ft bed 295-horsepower 5.3L V8 4-speed automatic 4WD w/low range	flat	light	none	30	20	20	30	100	6.3
2006	4dr Extended Cab 5.5ft bed 295-horsepower 5.3L V8 4-speed automatic RWD	flat	light	light	10	40	25	25	65	43.5
2006	4dr Crew Cab 5.5ft bed 345-horsepower 6.0L V8 4-speed automatic AWD	flat	med	none	5	20	50	25	65	36.0
2006	4dr Crew Cab 5.5ft bed 310-horsepower 5.3L V8 4-speed automatic 4WD, part-time w/low range	flat	light	none	2	80	10	8	70	39.5
2005	4dr Extended Cab 6.5ft bed 310-horsepower 5.3L V8 4-speed automatic 4WD w/low range	flat	light	light	7	11	13	69	62	37.7
2005	4dr Extended Cab 6.5ft bed 295-horsepower 5.3L V8 4-speed automatic 4WD w/low range	flat	med	hvy	4	8	88	0	N/A	41.2
2005	4dr Extended Cab 6.5ft bed 285-horsepower 4.8L V8 4-speed automatic 4WD w/low range	flat	light	light	0	0	0	100	110	7.4
2005	4dr Crew Cab 5.5ft bed 295-horsepower 5.3L V8 4-speed automatic 4WD w/low range	hills	light	light	0	10	10	81	68	38.1
2005	2dr Regular Cab 6.5ft bed 285-horsepower 4.8L V8 4-speed automatic RWD	flat	med	hvy	0	2	18	80	65	45.9
2003	4dr Extended Cab 6.5ft bed 285-horsepower 5.3L V8 4-speed automatic RWD	flat	light	light	13	13	13	60	60	40.8
2003	4dr Extended Cab 6.5ft bed 285-horsepower 5.3L V8 4-speed automatic 4WD, part-time w/low range	hills	v.lt	none	0	20	10	70	100	5.3
2003	4dr Extended Cab 6.5ft bed 285-horsepower 5.3L V8 4-speed automatic 4WD w/low range	flat	light	none	0	10	20	70	60	39.5
2001	4dr Extended Cab 6.5ft bed 285-horsepower 5.3L V8 4-speed automatic 4WD, part-time w/low range	flat	med	none	0	40	0	60	70	35.0
2001	2dr Regular Cab 6.5ft bed 270-horsepower 4.8L V8 4-speed automatic RWD	flat	med	light	0	40	0	60	110	33.1

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This page shows only averages. See all the GMC Sierra 1500 fuel economy data.

Mazda Mazda5 km/L

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	km/L
2015	4dr Minivan 157-horsepower 2.5L I4 5-speed shiftable automatic FWD	flat	med	light	22	0	0	78	67	55.3
2012	4dr Minivan 157-horsepower 2.5L I4 6-speed manual FWD	flat	lead	light	5	16	0	79	104	14.1
2012	4dr Minivan 157-horsepower 2.5L I4 5-speed shiftable automatic FWD	flat	light	light	3	5	16	76	64	61.8
2010	4dr Minivan 153-horsepower 2.3L I4 5-speed shiftable automatic FWD	flat	med	none	6	26	10	57	74	57.0
2010	4dr Minivan 153-horsepower 2.3L I4 5-speed manual FWD	flat	light	light	9	8	45	38	76	54.5
2009	4dr Minivan 153-horsepower 2.3L I4 5-speed shiftable automatic FWD	flat	light	light	9	18	20	53	68	54.7
2009	4dr Minivan 153-horsepower 2.3L I4 5-speed manual FWD	hills	light	light	6	12	15	67	78	52.2
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2008	4dr Minivan 153-horsepower 2.3L I4 5-speed shiftable automatic FWD	flat	light	light	2	10	36	51	64	59.5
2008	4dr Minivan 153-horsepower 2.3L I4 5-speed manual FWD	hills	light	none	10	43	14	33	64	60.0
2007	4dr Minivan 153-horsepower 2.3L I4 5-speed manual FWD	hills	lead	light	13	26	43	18	83	43.4
2007	4dr Minivan 153-horsepower 2.3L I4 4-speed shiftable automatic FWD	hills	light	light	1	35	40	23	83	18.4
2006	4dr Minivan 157-horsepower 2.3L I4 5-speed manual FWD	flat	med	none	26	11	25	38	116	16.6
2006	4dr Minivan 157-horsepower 2.3L I4 4-speed shiftable automatic FWD	flat	light	none	7	25	32	36	80	40.3

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This page shows only averages. See all the Mazda Mazda5 fuel economy data.

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What Our Members Are Saying about the Real Gas Mileage of the GMC Sierra 1500

GMC Sierra 1500 Real Gas Mileage: Pros
Year	Body/Powertrain	Comment
2004	4dr Extended Cab 6.5ft bed 295-horsepower 5.3L V8 4-speed automatic 4WD w/low range	Its great. see full GMC Sierra 1500 review

GMC Sierra 1500 Real Gas Mileage: Cons
Year	Body/Powertrain	Comment
2006	4dr Extended Cab 6.5ft bed 295-horsepower 5.3L V8 4-speed automatic 4WD w/low range	Fuel economy is a suggestion - the truck, like all trucks, gets mediocre fuel economy. see full GMC Sierra 1500 review

What Our Members Are Saying about the Real Gas Mileage of the Mazda Mazda5

Mazda Mazda5 Real Gas Mileage: Pros
Year	Body/Powertrain	Comment
2014	4dr Minivan 157-horsepower 2.5L I4 5-speed shiftable automatic FWD	The Mazda5 doesn't get great milage. But it's better than other minivans and most CUVs. Of the alternatives I shopped, the Mazda was the most frugal on gas. see full Mazda Mazda5 review
2010	4dr Minivan 153-horsepower 2.3L I4 5-speed manual FWD	Impressive considering all this vehicle can do (carry six, or a bunch of stuff). Driven with some restraint (60-65), I can average 30+ mpg on my weekly commute. With a microvan that can seat six. see full Mazda Mazda5 review
2010	4dr Minivan 153-horsepower 2.3L I4 5-speed manual FWD	Impressive considering all this vehicle can do (carry six, or a bunch of stuff). Driven with some restraint (60-65), I can average 30+ mpg on my weekly commute. With a microvan that can seat six. see full Mazda Mazda5 review
2010	4dr Minivan 153-horsepower 2.3L I4 5-speed shiftable automatic FWD	USED LESS GAS THAN MY OLD 97 VOYAGER see full Mazda Mazda5 review
2010	4dr Minivan 153-horsepower 2.3L I4 5-speed manual FWD	Best among all minivans see full Mazda Mazda5 review
2010	4dr Minivan 153-horsepower 2.3L I4 5-speed shiftable automatic FWD	Comparable to most compact cars. see full Mazda Mazda5 review
2009	4dr Minivan 153-horsepower 2.3L I4 5-speed shiftable automatic FWD	Better than our previous mini-van, mostly because of size. We drive it harder, so some of that advantage is lost :) see full Mazda Mazda5 review
2009	4dr Minivan 153-horsepower 2.3L I4 5-speed shiftable automatic FWD	reasonable gas mileage for a car that can hold 6. see full Mazda Mazda5 review
2008	4dr Minivan 153-horsepower 2.3L I4 5-speed manual FWD	Avg under 10L/100km one of buying criteria. good on hwy and not as bad as full sized van in city. Good for long summer road trips. see full Mazda Mazda5 review
2008	4dr Minivan 153-horsepower 2.3L I4 5-speed manual FWD	With a flexible 4 cylinder engine, and an available manual transmission, I average almost 30mpg with seating for 6 see full Mazda Mazda5 review

Mazda Mazda5 Real Gas Mileage: Cons
Year	Body/Powertrain	Comment
2014	4dr Minivan 157-horsepower 2.5L I4 5-speed shiftable automatic FWD	If only. If only Skyactiv came out during the 5's redesign. While gas usage is better than the competition, it's far worse than it could be. Just popping in Mazda's latest engine and tranmission combo would surely give several more mpg. Just a 10% improvement would make me happier. see full Mazda Mazda5 review
2007	4dr Minivan 153-horsepower 2.3L I4 4-speed shiftable automatic FWD	It uses twice as much fuel as a Prius. see full Mazda Mazda5 review
2006	4dr Minivan 157-horsepower 2.3L I4 4-speed shiftable automatic FWD	vehicle is heavy for its size so the fuel economy is not that great. see full Mazda Mazda5 review
2006	4dr Minivan 157-horsepower 2.3L I4 4-speed shiftable automatic FWD	My 4 speed automatic yields about 10.5 L/100 km on 50/50 highway and city driving with a conscious effort to stick to the speed limit and driving as if I had an egg under my right foot. Eh, I thought it would AT LEAST be under 10. see full Mazda Mazda5 review