2017 head-to-head · Midsize & Large SUV
2017 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.
On fuel costs these two are nearly tied. Driving 15,000 miles a year with $3.10/gal regular gas, the most efficient 2017 Ford Flex (19 MPG) costs about $2,447 a year to fuel and the 2017 GMC Yukon (19 MPG) about $2,447.
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 Flex | GMC Yukon | |
|---|---|---|
| $2,447 | Your annual fuel cost | $2,447 |
| 19 MPG | Combined efficiency | 19 MPG |
| 16 MPG | City | 16 MPG |
| 23 MPG | Highway | 23 MPG |
| 468 g/mi | Tailpipe CO₂ (g/mi) | 477 g/mi |
| 4/10 | EPA fuel economy score | 4/10 |
| 4/10 | EPA greenhouse gas score | 4/10 |
| 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 44 2017 midsize & large SUVs, the Ford Flex ranks 19th and the GMC Yukon 16th for lowest fuel cost.
Frequently asked questions
How much does it cost to fuel the 2017 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 $2,447 for the GMC Yukon.
Ford Flex vs GMC Yukon in other years
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