2021 head-to-head · Full-Size Pickup

2021 Ford Ranger vs GMC Sierra

MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.

Swap sides
✓ Cheaper to run
$2,022/ year to fuel
23 MPG
✓ Cheaper to run
$2,214/ year to fuel
21 MPG

The 2021 Ford Ranger is the cheaper one to run. Driving 15,000 miles a year with $3.10/gal regular gas, it costs about $2,022 a year to fuel (23 MPG), versus $2,214 for the 2021 GMC Sierra (21 MPG). That's roughly $193 a year, or about $963 over five years.

Your numbers

Change these to match your driving and local prices. Every figure and chart on this page updates.

Fuel cost over 10 years

  • Ford Ranger
  • GMC Sierra

Side by side

Ford RangerGMC Sierra
$2,022 Your annual fuel cost $2,214
23 MPG Combined efficiency 21 MPG
21 MPG City 20 MPG
26 MPG Highway 23 MPG
387 g/mi Tailpipe CO₂ (g/mi) 421 g/mi
5/10 EPA fuel economy score 4/10
5/10 EPA greenhouse gas score 4/10
Gas Powertrain Gas
Regular gasoline Fuel Regular gasoline
2.3L 4-cyl turbo Engine / motor 2.7L 4-cyl turbo
10-speed automatic Transmission 8-speed automatic
RWD Drivetrain RWD

✓ marks the better value. EPA scores run 1–10 (10 is best). Volumes come from the EPA interior volume index and aren't published for every body style.

Ford Ranger vs GMC Sierra across model years

  • Ford Ranger
  • GMC Sierra

Annual fuel cost of the most efficient configuration of each model year, at your prices. Click a point to open that year.

How they differ

Among 17 2021 full-size pickups, the Ford Ranger ranks 2nd and the GMC Sierra 8th for lowest fuel cost.

Frequently asked questions

Which is more fuel-efficient, the 2021 Ford Ranger or the 2021 GMC Sierra?

Measured by cost to drive, the Ford Ranger. The Ford Ranger is rated 23 MPG combined and the GMC Sierra 21 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2021 Ford Ranger vs. the GMC Sierra per year?

At 15,000 miles a year with $3.10/gal regular gas, about $2,022 for the Ford Ranger and $2,214 for the GMC Sierra.

Ford Ranger vs GMC Sierra in other years

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