2019 head-to-head · Midsize & Large SUV

2019 Ford Flex vs GMC Yukon

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
$2,447/ year to fuel
19 MPG
✓ Cheaper to run
$2,583/ year to fuel
18 MPG

The 2019 Ford Flex is the cheaper one to run. Driving 15,000 miles a year with $3.10/gal regular gas, it costs about $2,447 a year to fuel (19 MPG), versus $2,583 for the 2019 GMC Yukon (18 MPG). That's roughly $136 a year, or about $680 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 Flex
  • GMC Yukon

Side by side

Ford FlexGMC Yukon
$2,447 Your annual fuel cost $2,583
19 MPG Combined efficiency 18 MPG
16 MPG City 15 MPG
23 MPG Highway 22 MPG
468 g/mi Tailpipe CO₂ (g/mi) 505 g/mi
3/10 EPA fuel economy score 3/10
3/10 EPA greenhouse gas score 3/10
Gas Powertrain Gas
Regular gasoline Fuel Regular gasoline
3.5L 6-cyl Engine / motor 5.3L 8-cyl
6-speed automatic Transmission 6-speed automatic
FWD 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 Flex vs GMC Yukon across model years

  • Ford Flex
  • GMC Yukon

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 46 2019 midsize & large SUVs, the Ford Flex ranks 18th and the GMC Yukon 24th for lowest fuel cost.

Frequently asked questions

Which is more fuel-efficient, the 2019 Ford Flex or the 2019 GMC Yukon?

Measured by cost to drive, the Ford Flex. The Ford Flex is rated 19 MPG combined and the GMC Yukon 18 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2019 Ford Flex vs. the GMC Yukon per year?

At 15,000 miles a year with $3.10/gal regular gas, about $2,447 for the Ford Flex and $2,583 for the GMC Yukon.

Ford Flex vs GMC Yukon in other years

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