2015 head-to-head · Midsize & Large SUV
2015 Ford Flex vs GMC Acadia
MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.
The 2015 Ford Flex is the cheaper one to run. Driving 15,000 miles a year with $3.10/gal regular gas, it costs about $2,325 a year to fuel (20 MPG), versus $2,447 for the 2015 GMC Acadia (19 MPG). That's roughly $122 a year, or about $612 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 Acadia
Side by side
| Ford Flex | GMC Acadia | |
|---|---|---|
| $2,325 | Your annual fuel cost | $2,447 |
| 20 MPG | Combined efficiency | 19 MPG |
| 18 MPG | City | 17 MPG |
| 25 MPG | Highway | 24 MPG |
| 438 g/mi | Tailpipe CO₂ (g/mi) | 465 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 |
| 3.5L 6-cyl | Engine / motor | 3.6L 6-cyl |
| 6-speed automatic | Transmission | 6-speed automatic |
| FWD | Drivetrain | FWD |
✓ 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 Acadia across model years
- Ford Flex
- GMC Acadia
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 45 2015 midsize & large SUVs, the Ford Flex ranks 11th and the GMC Acadia 18th for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2015 Ford Flex or the 2015 GMC Acadia?
Measured by cost to drive, the Ford Flex. The Ford Flex is rated 20 MPG combined and the GMC Acadia 19 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2015 Ford Flex vs. the GMC Acadia per year?
At 15,000 miles a year with $3.10/gal regular gas, about $2,325 for the Ford Flex and $2,447 for the GMC Acadia.
Ford Flex vs GMC Acadia in other years
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