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2018 Buick Enclave MPG

EPA-rated · verified snapshot 2026-08-30 · Standard Sport Utility Vehicle 2WD

The 2018 Buick Enclave gets 21 MPG combined — 18 city and 26 highway — in its most efficient configuration (3.6L · 6-cyl · Automatic 9-spd · Front-Wheel Drive).

21COMBINED MPG
City18 MPG
Highway26 MPG
$2,950Fuel cost / yr (EPA est.)
416 g/miCO₂
RegularFuel
$-3,7505-yr fuel cost vs. average vehicle
4 / 10EPA Fuel Economy & GHG score
Where it sits among suvs (2018)

Compared with the 2017 model, the 2018 Enclave is +3 MPG better at its best.

Every 2018 Enclave trim

ConfigurationCityHwyComb.$/yr
3.6L · 6-cyl · Automatic 9-spd · Front-Wheel Drive182621$2,950
3.6L · 6-cyl · Automatic 9-spd · All-Wheel Drive172520$3,100

FAQ

How does the 2018 Enclave's fuel economy compare to other suvs?
The 2018 Enclave's 21 MPG combined is above the suvs average of 20.4 MPG for 2018.
How much does it cost to fuel a 2018 Enclave per year?
Based on EPA assumptions (15,000 miles/year), estimated annual fuel cost is $2,950 for the most efficient trim.
What is the city and highway MPG of the 2018 Enclave?
The most efficient trim is rated 18 MPG city and 26 MPG highway.