Buick MPG Ratings

Compare fuel economy across all 32 Buick models

New
27 MPG (avg)
2026 models
Best: Envista at 30 MPG
Used
21 MPG (avg)
Pre-2026 models
Best: 2024 Envista at 30 MPG
Data sourced from the U.S. EPA fuel economy database, updated annually.

Current models

Models still in production in 2026

Model MPG Fuel cost/yr
Enclave ›
2008–2026
19 $3,083
Encore ›
2013–2026
28 $2,145
Envision ›
2016–2026
24 $2,584
Envista ›
2024–2026
30 $2,000

Recent models

Models in production between 2015 and 2025

Model MPG Fuel cost/yr
Cascada ›
2016–2019
24 $2,850
LaCrosse ›
2011–2019
23 $2,647
Regal ›
1984–2020
21 $2,962
Verano ›
2012–2017
24 $2,493

Older models

Models last produced between 1984 and 2014

Model MPG Fuel cost/yr
Century ›
1984–2005
21 $2,929
Century Estate Wagon ›
1984
21 $3,194
Century Wagon ›
1985–1996
20 $3,006
Coachbuilder Wagon ›
1990–1995
18 $3,436
Electra Estate Wagon ›
1984
17 $3,867
Electra/Park Avenue ›
1984–1990
19 $3,400
Estate Wagon ›
1990
18 $3,300
Funeral Coach/Hearse ›
1996
18 $3,300
Lacrosse/Allure ›
2005–2010
20 $2,977
LeSabre ›
1984–2005
19 $3,243
LeSabre/Electra Wagon ›
1985–1989
18 $3,493
Lucerne ›
2006–2011
19 $3,130
Park Avenue ›
1991–2005
20 $3,248
Rainier ›
2004–2007
16 $3,750
Reatta ›
1988–1991
20 $3,075
Regal/Century ›
1997
20 $3,167
Rendezvous ›
2002–2007
19 $3,185
Riviera ›
1984–1999
18 $3,526
Roadmaster ›
1991–1996
18 $3,442
Skyhawk ›
1984–1989
24 $2,568
Skylark ›
1984–1998
22 $2,797
Somerset Regal ›
1985
22 $2,763
Somerset/Skylark ›
1986–1987
22 $2,717
Terraza ›
2005–2008
18 $3,256