2019 GMC Sierra 1500 MPG and Fuel Cost

The 2019 GMC Sierra 1500 is rated 15 to 21 mpg combined across 22 EPA-tested gas versions; the best is the 2.7L turbo 4-cyl · RWD · 8-speed automatic · 4-mode/Sport transmission.

EPA fuel economy

2019 GMC Sierra 1500 · 22 EPA-tested versions

Best EPA rating

21MPG combined

20 city 23 highway

$2,950 a year to fuel

Fuel economy score4/10

2.7L turbo 4-cyl · RWD · 8-speed automatic · 4-mode/Sport transmission

Best version costs $3,750 more in fuel over 5 years vs the average new vehicle (EPA)

Fuel cost: 15,000 miles a year at EPA's $4.00 a gallon (regular gas).

Data: US EPA, fueleconomy.govUpdated Nov 12, 2026

At EPA's price assumptions, fuel costs $2,950 to $4,550 a year. Compared with 2018, the best gas version is up 1 mpg.

More complaints than most Sierra 1500 years

The 2019 drew 148 owner complaints in its first three years, against about 98 for a typical Sierra 1500 year: 1.5 times as many. It is not a year to avoid, which takes at least twice the typical count and at least 50 complaints.

Years to avoid: 2014 and 2023. Based on owner complaints, not adjusted for sales.

Every Sierra 1500 year ranked The 2019 Sierra 1500's recalls and problems

Every 2019 Sierra 1500 version

EPA's ratings for each version it tested. Fuel cost is EPA's estimate for 15,000 miles a year at its current prices.

Version	Combined	City / Hwy	Fuel / year
2.7L turbo 4-cyl · RWD · 8-speed automatic · 4-mode/Sport transmission Best EPA listing: Sierra C10 2WD	21 mpg	20 / 23	$2,950
2.7L turbo 4-cyl · 4WD · 8-speed automatic · 4-mode/Sport transmission EPA listing: Sierra K10 4WD	20 mpg	19 / 22	$3,100
2.7L turbo 4-cyl · RWD · 8-speed automatic · 3-mode transmission (work truck) EPA listing: Sierra C10 2WD	20 mpg	19 / 22	$3,100
2.7L turbo 4-cyl · 4WD · 8-speed automatic · 3-mode transmission (work truck) EPA listing: Sierra K10 4WD	19 mpg	18 / 20	$3,300
5.3L 8-cyl · RWD · 8-speed automatic EPA listing: Sierra C10 2WD	19 mpg	17 / 23	$3,300
5.3L 8-cyl · RWD · 8-speed automatic · XFE EPA listing: Sierra C10 XFE 2WD	19 mpg	17 / 24	$3,300
4.3L 6-cyl · 4WD · 6-speed automatic EPA listing: Sierra K10 4WD	17 mpg	15 / 20	$3,650
4.3L 6-cyl · RWD · 6-speed automatic EPA listing: Sierra C10 2WD	17 mpg	16 / 21	$3,650
4.3L 6-cyl · RWD · 6-speed automatic · Cab Chassis EPA listing: Sierra C10 Cab Chassis 2WD	17 mpg	15 / 19	$3,650
5.3L 8-cyl · 4WD · 6-speed automatic · K10 EPA listing: Sierra K10 4WD	17 mpg	15 / 20	$3,650
5.3L 8-cyl · 4WD · 6-speed automatic · LTD K15 EPA listing: Sierra LTD K15 4WD	17 mpg	15 / 21	$3,650
5.3L 8-cyl · 4WD · 8-speed automatic EPA listing: Sierra K10 4WD	17 mpg	15 / 21	$3,650
5.3L 8-cyl · 4WD · 8-speed automatic · AT4 EPA listing: Sierra K10 4WD AT4	17 mpg	15 / 20	$3,650
5.3L 8-cyl · RWD · 6-speed automatic · C10 EPA listing: Sierra C10 2WD	17 mpg	15 / 21	$3,650
5.3L 8-cyl · RWD · 6-speed automatic · C10 · Flex-fuel (E85) EPA listing: Sierra C10 2WD · Flex-fuel (E85)	17 mpg	15 / 20	$3,650
5.3L 8-cyl · RWD · 6-speed automatic · LTD C15 EPA listing: Sierra LTD C15 2WD	17 mpg	15 / 22	$3,650
6.2L 8-cyl · 4WD · 10-speed automatic EPA listing: Sierra K10 4WD · Premium fuel	17 mpg	15 / 20	$4,550
6.2L 8-cyl · 4WD · 10-speed automatic · AT4 EPA listing: Sierra K10 4WD AT4 · Premium fuel	17 mpg	15 / 19	$4,550
5.3L 8-cyl · 4WD · 6-speed automatic · K10 · Flex-fuel (E85) EPA listing: Sierra K10 4WD · Flex-fuel (E85)	16 mpg	15 / 19	$3,900
5.3L 8-cyl · RWD · 6-speed automatic · C10 Cab Chassis EPA listing: Sierra C10 Cab Chassis 2WD	16 mpg	14 / 19	$3,900
4.3L 6-cyl · 4WD · 6-speed automatic · Cab Chassis EPA listing: Sierra K10 Cab Chassis 4WD	15 mpg	14 / 17	$4,150
5.3L 8-cyl · 4WD · 6-speed automatic · K10 Cab Chassis EPA listing: Sierra K10 Cab Chassis 4WD	15 mpg	14 / 17	$4,150

Fuel cost at your prices

EPA's annual cost uses 15,000 miles a year, 55% city driving and its current prices: $4.00 a gallon for regular gas and $5.01 a gallon for premium gas. Change the numbers to match your driving.

Version	Per year	Per month	5 years
2.7L turbo 4-cyl · RWD · 8-speed automatic · 4-mode/Sport transmission	$2,857	$238	$14,286
2.7L turbo 4-cyl · 4WD · 8-speed automatic · 4-mode/Sport transmission	$3,000	$250	$15,000
2.7L turbo 4-cyl · RWD · 8-speed automatic · 3-mode transmission (work truck)	$3,000	$250	$15,000
2.7L turbo 4-cyl · 4WD · 8-speed automatic · 3-mode transmission (work truck)	$3,158	$263	$15,789
5.3L 8-cyl · RWD · 8-speed automatic	$3,158	$263	$15,789
5.3L 8-cyl · RWD · 8-speed automatic · XFE	$3,158	$263	$15,789
4.3L 6-cyl · 4WD · 6-speed automatic	$3,529	$294	$17,647
4.3L 6-cyl · RWD · 6-speed automatic	$3,529	$294	$17,647
4.3L 6-cyl · RWD · 6-speed automatic · Cab Chassis	$3,529	$294	$17,647
5.3L 8-cyl · 4WD · 6-speed automatic · K10	$3,529	$294	$17,647
5.3L 8-cyl · 4WD · 6-speed automatic · LTD K15	$3,529	$294	$17,647
5.3L 8-cyl · 4WD · 8-speed automatic	$3,529	$294	$17,647
5.3L 8-cyl · 4WD · 8-speed automatic · AT4	$3,529	$294	$17,647
5.3L 8-cyl · RWD · 6-speed automatic · C10	$3,529	$294	$17,647
5.3L 8-cyl · RWD · 6-speed automatic · C10 · Flex-fuel (E85)	$3,529	$294	$17,647
5.3L 8-cyl · RWD · 6-speed automatic · LTD C15	$3,529	$294	$17,647
6.2L 8-cyl · 4WD · 10-speed automatic	$4,421	$368	$22,103
6.2L 8-cyl · 4WD · 10-speed automatic · AT4	$4,421	$368	$22,103
5.3L 8-cyl · 4WD · 6-speed automatic · K10 · Flex-fuel (E85)	$3,750	$312	$18,750
5.3L 8-cyl · RWD · 6-speed automatic · C10 Cab Chassis	$3,750	$312	$18,750
4.3L 6-cyl · 4WD · 6-speed automatic · Cab Chassis	$4,000	$333	$20,000
5.3L 8-cyl · 4WD · 6-speed automatic · K10 Cab Chassis	$4,000	$333	$20,000

At the default settings the results match EPA's annual cost before EPA rounds it to the nearest $50.

GMC Sierra 1500 MPG by model year

The best-rated version in each model year; the highlighted year is this page. Gas: 18 to 21 mpg (every year from 2010 to 2026); highest in 2019. Hybrid: 21 to 22 mpg (2010 to 2013); highest in 2010.

Best gas version
Best hybrid version

2019: gas 21 mpg · hybrid not offered

Show as a table

GMC Sierra 1500 best combined mpg by model year
Model year	Best gas version	Best hybrid version
2010	18	22
2011	18	21
2012	18	21
2013	18	21
2014	20	–
2015	20	–
2016	20	–
2017	20	–
2018	20	–
2019	21	–
2020	21	–
2021	21	–
2022	20	–
2023	20	–
2024	20	–
2025	19	–
2026	20	–

Every Sierra 1500 year's ratings in one table

How the 2019 Sierra 1500 compares

2019 full-size pickups covered on this site, ranked by their best combined rating. Fuel cost is for each model's cheapest version to run, at EPA's prices.

2019 model	Best combined	Best gas	Fuel / year
Ford F-150 Best: diesel	25 mpg	22 mpg	$2,850
Ram 1500 Best: diesel	23 mpg	23 mpg	$2,700
Chevrolet Silverado 1500 Best: gas	21 mpg	21 mpg	$2,950
GMC Sierra 1500 This page Best: gas	21 mpg	21 mpg	$2,950
Toyota Tundra Best: gas	16 mpg	16 mpg	$3,900

2019 Sierra 1500 recalls and complaints

NHTSA lists 10 safety recalls and 662 owner complaints for the 2019 Sierra 1500.

Owners most often describe engine failure (151 complaints, 23%), then the check engine light (83). NHTSA's overall crash rating: 4 to 5 stars, depending on the version.

See the 2019 Sierra 1500 recalls and problems

Questions

Does the 2019 GMC Sierra 1500 need premium gas?

Some versions do. EPA lists the 6.2L 8-cyl versions on premium, the rest use regular.

How does the 2019 Sierra 1500's MPG compare with the 2018?

For 2019, the best gas version is rated 21 mpg, up 1 from 20.

Sources and method

US EPA and Department of Energy fuel economy data (fueleconomy.gov), file dated Nov 4, 2026.
EPA fuel price assumptions: regular $4.00, midgrade $4.61, premium $5.01, diesel $6.13 a gallon; electricity $0.15 per kWh.
Recall and complaint counts: NHTSA recall file dated Nov 12, 2026 and complaint file dated Nov 11, 2026.

Ratings are EPA estimates. Real-world mileage depends on how, where and in what weather you drive. How we build these pages. Spotted an error? Tell us.