2019 · Full-Size Pickup · Gas / Flex-fuel

2019 GMC Sierra MPG & fuel economy

The 2019 GMC Sierra is a full-size pickup offered in 22 EPA-rated configurations. The most efficient version returns 21 MPG combined (20 city / 23 highway) on regular gasoline. Across the lineup, combined ratings range from 15 to 21 MPG. That's up 1 MPG from the 2018 model. Among 12 full-size pickups rated for 2019, it ranks 5th for lowest fuel cost. At 15,000 miles a year with $3.10/gal regular gas, it costs about $2,214 a year to fuel.

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Combined 21 MPG 20 MPG city · 23 MPG hwy
Driving range — not published for this model
Your fuel cost $2,214 15,000 mi/yr · $14.76 per 100 mi
Class rank, 2019 #5 of 12 Full-Size Pickups by fuel cost

What will it cost you?

Your mileage and prices are saved and used across the site.

Fuel average

The 2019 GMC Sierra's fuel average is 8.9 km/L (11.2 L/100 km), or 21 MPG combined: 8.5 km/L in the city and 9.8 km/L on the highway.

MPGkm/LL/100 km
City208.511.8
Highway239.810.2
Combined218.911.2

How it ranks among 2019 Full-Size Pickups

Full class ranking →
  1. 1Ford Ranger23 MPG $2,022
  2. 2Ram 1500 Hybrid23 MPG $2,022
  3. 3Ford F15022 MPG $2,114
  4. 4Honda Ridgeline22 MPG $2,114
  5. 5GMC Sierra21 MPG $2,214
  6. 12Roush Performance F15012 MPG $4,938
2019 SierraOther full-size pickupsClass median: $2,217/yr

Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.

Sierra MPG across model years

Full history →

22 EPA-rated configurations

ConfigurationTypeCityHwyCombinedRangeYour cost / yr
RWD · 2.7L 4-cyl turbo · 8-speed automatic
Sierra C10 2WD		 Gas 20 MPG 23 MPG 21 MPG — $2,214
RWD · 2.7L 4-cyl turbo · 8-speed automatic
Sierra C10 2WD		 Gas 19 MPG 22 MPG 20 MPG — $2,325
4WD · 2.7L 4-cyl turbo · 8-speed automatic
Sierra K10 4WD		 Gas 19 MPG 22 MPG 20 MPG — $2,325
RWD · 5.3L 8-cyl · 8-speed automatic
Sierra C10 2WD		 Gas 17 MPG 23 MPG 19 MPG — $2,447
RWD · 5.3L 8-cyl · 8-speed automatic
Sierra C10 XFE 2WD		 Gas 17 MPG 24 MPG 19 MPG — $2,447
4WD · 2.7L 4-cyl turbo · 8-speed automatic
Sierra K10 4WD		 Gas 18 MPG 20 MPG 19 MPG — $2,447
RWD · 5.3L 8-cyl · 6-speed automatic
Sierra LTD C15 2WD		 Gas 15 MPG 22 MPG 17 MPG — $2,735
4WD · 5.3L 8-cyl · 6-speed automatic
Sierra LTD K15 4WD		 Gas 15 MPG 21 MPG 17 MPG — $2,735
4WD · 5.3L 8-cyl · 8-speed automatic
Sierra K10 4WD		 Gas 15 MPG 21 MPG 17 MPG — $2,735
4WD · 5.3L 8-cyl · 8-speed automatic
Sierra K10 4WD AT4		 Gas 15 MPG 20 MPG 17 MPG — $2,735
RWD · 5.3L 8-cyl · 6-speed automatic
Sierra C10 2WD		 Gas 15 MPG 21 MPG 17 MPG — $2,735
4WD · 5.3L 8-cyl · 6-speed automatic
Sierra K10 4WD		 Gas 15 MPG 20 MPG 17 MPG — $2,735
RWD · 4.3L 6-cyl · 6-speed automatic
Sierra C10 2WD		 Gas 16 MPG 21 MPG 17 MPG — $2,735
RWD · 5.3L 8-cyl · 6-speed automatic
Sierra C10 2WD		 Flex-fuel 15 MPG 20 MPG 17 MPG — $2,735
4WD · 4.3L 6-cyl · 6-speed automatic
Sierra K10 4WD		 Gas 15 MPG 20 MPG 17 MPG — $2,735
RWD · 4.3L 6-cyl · 6-speed automatic
Sierra C10 Cab Chassis 2WD		 Gas 15 MPG 19 MPG 17 MPG — $2,735
4WD · 5.3L 8-cyl · 6-speed automatic
Sierra K10 4WD		 Flex-fuel 15 MPG 19 MPG 16 MPG — $2,906
RWD · 5.3L 8-cyl · 6-speed automatic
Sierra C10 Cab Chassis 2WD		 Gas 14 MPG 19 MPG 16 MPG — $2,906
4WD · 5.3L 8-cyl · 6-speed automatic
Sierra K10 Cab Chassis 4WD		 Gas 14 MPG 17 MPG 15 MPG — $3,100
4WD · 4.3L 6-cyl · 6-speed automatic
Sierra K10 Cab Chassis 4WD		 Gas 14 MPG 17 MPG 15 MPG — $3,100
4WD · 6.2L 8-cyl · 10-speed automatic
Sierra K10 4WD		 Gas 15 MPG 20 MPG 17 MPG — $3,485
4WD · 6.2L 8-cyl · 10-speed automatic
Sierra K10 4WD AT4		 Gas 15 MPG 19 MPG 17 MPG — $3,485

Specs (most efficient configuration)

Fuel
Regular gasoline
Engine / motor
2.7L 4-cyl turbo
Transmission
8-speed automatic
Drivetrain
RWD
Tailpipe CO₂
421 g/mi
EPA fuel economy score
4/10
EPA greenhouse gas score
4/10

2019 GMC Sierra vs. rivals

vs Chevrolet Silverado 21 MPG · $2,214/yr Same fuel cost vs Ford F150 Diesel 25 MPG · $2,220/yr Sierra saves $6/yr vs Ford F150 22 MPG · $2,114/yr F150 saves $101/yr vs Honda Ridgeline 22 MPG · $2,114/yr Ridgeline saves $101/yr vs Ram 1500 20 MPG · $2,325/yr Sierra saves $111/yr vs Ram 1500 Diesel 23 MPG · $2,413/yr Sierra saves $199/yr vs Ford Ranger 23 MPG · $2,022/yr Ranger saves $193/yr vs Ram 1500 Hybrid 23 MPG · $2,022/yr 1500 Hybrid saves $193/yr vs Nissan Titan 18 MPG · $2,583/yr Sierra saves $369/yr vs Toyota Tundra 16 MPG · $2,906/yr Sierra saves $692/yr vs Roush Performance F150 12 MPG · $4,938/yr Sierra saves $2,723/yr vs Toyota Tacoma 21 MPG · $2,214/yr Same fuel cost

Compare the 2019 Sierra

With any other car from any year, including other Sierra model years. Type a year to jump, e.g. "2015 Accord".

Frequently asked questions

What is the gas mileage of the 2019 GMC Sierra?

Up to 21 MPG combined (20 city / 23 highway); ratings range from 15 to 21 MPG depending on configuration.

What fuel does the 2019 GMC Sierra use?

Regular gasoline.

What is the fuel average in km/L for the 2019 GMC Sierra?

The 2019 GMC Sierra's fuel average is 8.9 km/L (11.2 L/100 km), or 21 MPG combined: 8.5 km/L in the city and 9.8 km/L on the highway.

How much does it cost to fuel the 2019 GMC Sierra per year?

About $2,214 at 15,000 miles a year with $3.10/gal regular gas, or $14.76 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.

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