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Ford F-150 vs GMC Sierra: fuel economy and fuel cost

In model year 2026 the Ford F-150 is the cheaper of the two to fuel: about $2,720 a year for its lowest-cost configuration (F-150 Pickup HEV, 24 MPG combined), against $3,340 for the GMC Sierra (Sierra, 20 MPG combined). That is $620 a year, or $3,100 over five years.

Both are classed as Standard pickups by the EPA. Costs assume 15,000 miles a year and the same fuel and electricity prices for both vehicles, using the EPA combined rating (55% city, 45% highway). Each figure is rounded to $10 and every difference is calculated from the rounded values.

Illustration: Standard pickups
  • Hybrid
  • Standard pickups

Ford F-150

Lowest fuel cost configuration

F-150 Pickup HEV

24 MPG
Combined
23 MPG
City
25 MPG
Highway
Annual fuel cost
$2,720

$18.13 per 100 miles

15,000 mi/yr, same fuel prices

12 configurations in MY2026

Illustration: Standard pickups
  • Gas
  • Standard pickups

GMC Sierra

Lowest fuel cost configuration

Sierra

20 MPG
Combined
18 MPG
City
21 MPG
Highway

Plug-in versions (electric or plug-in hybrid) are not used for this headline; see the powertrain table below.

Annual fuel cost
$3,340

$22.27 per 100 miles

15,000 mi/yr, same fuel prices

25 configurations in MY2026

What the fuel costs

Annual fuel cost of the lowest-cost configuration

  • Ford F-150$2,720 a year · $18.13 per 100 mi
  • GMC Sierra$3,340 a year · $22.27 per 100 mi

Difference per year

$620

Ford F-150 costs less to fuel

Over 5 years

$3,100

$620 a year × 5, 15,000 mi/yr, same fuel prices

Head to head, MY2026

Ford F-150 and GMC Sierra compared on their lowest fuel cost configuration
Measure Ford F-150 GMC Sierra
Lowest-cost configuration F-150 Pickup HEVSierra
Powertrain HybridGas
Combined rating 24 MPG (better)20 MPG
City rating 23 MPG (better)18 MPG
Highway rating 25 MPG (better)21 MPG
Annual fuel cost $2,720/yr (better)$3,340/yr
Cost per 100 miles $18.13 (better)$22.27
Annual cost range, all configurations $2,720–$6,720$1,360–$5,360
Configurations in MY2026 1225
EPA class Standard pickupsStandard pickups

Best configuration by powertrain

Lowest-cost configuration of each powertrain, Ford F-150 and GMC Sierra
Powertrain Ford F-150 GMC Sierra
Gas 21 MPG · $3,120/yr F-150 Pickup 20 MPG · $3,340/yr Sierra
Hybrid 24 MPG · $2,720/yr F-150 Pickup HEV Not offered in MY2026
Electric Not offered in MY2026 68 MPGe · $1,360/yr SIERRA EV Ext Range (11kW Charger)
Diesel Not offered in MY2026 25 MPG · $3,730/yr Sierra

Each cell shows the combined rating and the annual fuel cost of the lowest-cost configuration with that powertrain.

Where each one comes out ahead

Generated from the numbers above, comparing the lowest fuel cost configurations. No subjective judgements.

Ford F-150

  • Lower annual fuel cost: $2,720 vs $3,340
  • Higher combined rating: 24 MPG vs 20 MPG
  • Higher city rating: 23 MPG vs 18 MPG
  • Higher highway rating: 25 MPG vs 21 MPG
  • Lower annual cost for the best gas configuration: $3,120 vs $3,340
  • Offers hybrid configurations in MY2026; the GMC Sierra does not

GMC Sierra

  • Offers electric configurations in MY2026; the Ford F-150 does not
  • Offers diesel configurations in MY2026; the Ford F-150 does not

Year by year

Combined rating and annual fuel cost by model year, Ford F-150 and GMC Sierra
Model year Ford F-150 GMC Sierra
CombinedPer yearCombinedPer year
2026 12–24 MPG $2,720–$6,720 15–25 MPG $1,360–$5,360
2025 12–23 MPG $2,840–$6,720 15–26 MPG $1,440–$5,360
2024 12–23 MPG $2,850–$5,470 15–25 MPG $3,310–$5,360
2023 12–25 MPG $2,600–$5,470 15–26 MPG $3,290–$5,300
2022 15–25 MPG $2,600–$4,380 14–26 MPG $3,240–$5,600
2021 15–25 MPG $2,580–$4,380 14–26 MPG $3,100–$5,020
2020 16–24 MPG $2,960–$4,320 15–26 MPG $3,100–$4,750
2019 16–25 MPG $2,930–$4,290 15–21 MPG $3,100–$4,750
2018 16–25 MPG $2,910–$4,290 17–20 MPG $3,290–$4,740
2017 16–22 MPG $3,020–$4,080 17–20 MPG $3,290–$3,920
2016 16–21 MPG $3,040–$4,080 17–20 MPG $3,290–$3,840
2015 17–22 MPG $3,010–$3,830 17–20 MPG $3,290–$3,840
2014 13–19 MPG $3,410–$4,960 17–20 MPG $3,300–$3,940
2013 13–19 MPG $3,450–$4,960 14–21 MPG $3,100–$4,610
2012 13–19 MPG $3,470–$4,960 14–21 MPG $3,100–$4,610
2011 12–19 MPG $3,470–$5,230 14–21 MPG $3,100–$4,610
2010 15–17 MPG $3,840–$4,360 14–22 MPG $2,970–$4,670
2009 15–17 MPG $3,840–$4,360 14–21 MPG $3,110–$4,670
2008 14–16 MPG $4,080–$4,670 14–17 MPG $3,840–$5,740
2007 14–16 MPG $4,080–$4,670 14–17 MPG $3,840–$5,740
2006 14–16 MPG $4,080–$4,670 13–17 MPG $3,840–$6,180
2005 14–15 MPG $4,360–$4,670 9–17 MPG $3,840–$5,940
2004 12–16 MPG $4,080–$6,180 13–17 MPG $3,840–$5,030
2003 12–16 MPG $4,080–$6,180 13–16 MPG $4,080–$5,030
2002 11–17 MPG $3,840–$6,700 12–16 MPG $4,080–$5,440
2001 11–16 MPG $4,080–$6,180 11–17 MPG $3,840–$5,940
2000 13–16 MPG $4,080–$6,180 12–18 MPG $3,630–$5,440

Earlier model years are costed with today's fuel prices, so the table shows how each model's efficiency changed, not what fuel cost at the time. Ranges cover every configuration of that model year. Electric configurations are not included in the MPG range of a year that also has other powertrains.

Frequently asked questions

Which is cheaper to fuel, the Ford F-150 or the GMC Sierra?

The Ford F-150 is cheaper: about $2,720 a year against $3,340 for the GMC Sierra, a difference of $620 a year. That compares the lowest-cost configuration of each in model year 2026 at 15,000 miles a year with the same fuel prices.

How much would the Ford F-150 save over five years?

About $3,100 ($620 a year for five years), assuming 15,000 miles a year and the same fuel prices. Your total depends on how much you drive and on local prices; see fuel cost by state.

Which has the better fuel economy rating, the Ford F-150 or the GMC Sierra?

The Ford F-150 is rated 24 MPG combined against 20 MPG for the GMC Sierra. City: 23 MPG vs 18 MPG. Highway: 25 MPG vs 21 MPG. These are the EPA ratings of each model's lowest-cost configuration.

How is the annual fuel cost calculated?

Distance of 15,000 miles a year at the EPA combined rating (55% city, 45% highway). Gasoline is priced at $4.36/gal (EIA U.S. average for regular, Sep 2026) and electricity at 18.3¢/kWh (EIA U.S. residential average, Jul 2026); premium and diesel configurations use their own EIA prices. Each result is rounded to $10, and differences are calculated from the rounded figures.

Are the Ford F-150 and the GMC Sierra in the same class?

Yes. The EPA classes both as Standard pickups.

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More comparisons

EPA ratings: fueleconomy.gov file of Sep 29, 2026 · Prices: EIA regular gasoline, U.S. avg, Sep 2026 ($4.36/gal); residential electricity, U.S. avg, Jul 2026 (18.3¢/kWh) · 15,000 mi/yr, 55% city, same prices for both vehicles