2026 Buick Envista (Flex Fuel) MPG & Specs — Real-World vs EPA, All Trims
Fuel grade varies by trim — see the breakdown below.
Is the 2026 Buick Envista (Flex Fuel) good on gas?
At up to 30 MPG combined, the 2026 Buick Envista (Flex Fuel) is better than average for a Small Station Wagons — that class averages about 24.7 MPG across 1,736 EPA-tested versions, so it's a good pick on fuel for its size.
Real-world MPG vs the EPA number
The EPA figures above come from a standardized dynamometer test, not the open road — real-world MPG typically runs a bit lower depending on your driving, climate and terrain. That's true of every car on this site, old or new.
For its most efficient trim, the EPA estimates about $2,100 a year in fuel (15,000 miles) — roughly $175 a month.
2026 Buick Envista (Flex Fuel) trims & fuel economy
| Trim (engine / transmission) | Fuel | MPG | Fuel/yr (today's price) |
|---|---|---|---|
| 1.2L 3-cyl, Automatic 6-spd, FWD | FLEX-FUEL | 30 | $2,100 |
2026 Buick Envista (Flex Fuel) specs
What the EPA test-car listings record for this model year — every combination sold is a row in the trims table above.
| Engine options | 1.2L 3-cyl turbo |
| Transmission | Automatic 6-spd |
| Drive type | FWD |
| EPA body class | Small Station Wagons |
| Fuel | Flex-fuel |
| Tailpipe CO₂ | 297 g/mi |
Similar cars (Small Station Wagons)
Cars that take premium · Cheapest cars to fuel · Where fuel grade depends on the trim · Fuel guides
1 trim(s) · EPA FuelEconomy.gov data retrieved 2026-07-24 · fuel prices AAA national average as of 2026-07-05.