The 2015 Buick Enclave has been rated by EPA, and there's not much change from the 2014 model year.
On the EPA test cycle, front-wheel-drive models earned 17 mpg city, 24 mpg highway, and a combined 19 miles per gallon. While that's not far off from other vehicles in its class, those numbers can be hard to swallow when so many family sedans today earn upwards of 35 mpg on the highway.
In our experience, the EPA numbers seem a little optimistic, based on the real-world observations of our editors along with other review sources. In our last significant stint with a previous mode-year Enclave, we saw an indicated 17 mpg over a range of driving conditions.
The Enclave's ratings fall to 16/22 mpg or 18 mpg combined when it's fitted with all-wheel drive.