15 city 23 highway
21 mpg
About 19 mpg in the city and about 28 mpg on the highway.
It can get 17 MPG non-highway and 26 MPG on the highway. This is for the 2009 model so double check yourself.
City: 20 MPG Highway: 29 MPG
The Buick Lucerne is advertised as getting 18 mpg in the city and 23 mpg highway. Of course, the mileage could vary according to the driving style of the driver.
The new Buick Lacross has a MPG of 16 around town and 30 MPG highway driving. Be sure to also keep your Lacross well maintained to assure your great mileage.
The 200 Lesabre gets an estimated 19 mpg in the city. The vehicle gets 30 mpg on the highway.
about 30 to 36 mpg
20 to 22 city mpg 28 to 30high way
The EPA mileage estimate for the 2008 Buick LaCrosse is 17 mpg in the city, 28 mpg on the highway.
The EPA mileage estimate for the 2011 Buick Regal is 19 mpg in the city, 30 mpg on the highway.
The EPA mileage estimate for the 2013 Buick Regal is 25 mpg in the city, 36 mpg on the highway.