MakesBuick
Buick MPG by model
EPA has rated 32 Buick nameplates in model years 1984–2026; eight of them have a page of their own here. Its highest rating is 31 MPG, by the Encore in 2020–2021. The Regal has the longest record, 30 model years, and the Rainier the weakest yearly peak, 16 MPG. Of these nameplates, nine have had a diesel version, the fifth most of any make on this site. Of the 32, 17 are cars.
Every Buick nameplate
| Nameplate | Model years | Class (most years) | Best version, MPG | Weakest year | Other powertrains |
|---|---|---|---|---|---|
| Century | 1984–2005 | midsize cars | 27 (1985) | 20 | diesel |
| Century Wagon | 1985–1996 | midsize-large station wagons | 26 (1985) | 20 | diesel |
| Encore | 2013–2026 | small SUVs | 31 (2020–2021) | 28 | flex-fuel |
| LeSabre | 1984–2005 | large cars | 21 (2003–2005) | 19 | diesel |
| Lucerne | 2006–2011 | large cars | 21 (2009 and 2011) | 19 | flex-fuel |
| Regal | 1984–2020 | midsize cars | 29 (2013) | 19 | diesel, flex-fuel, hybrid |
| Riviera | 1984–1999 | midsize cars | 21 (1984–1985 and 1996) | 19 | diesel |
| Skyhawk | 1984–1989 | compact cars | 27 (1986 and 1988) | 26 | gasoline only |
| Cascada | 2016–2019 | subcompact cars | 24 (2018–2019) | 23 | gasoline only |
| Century Estate Wagon | 1984 | midsize station wagons | 25 (1984) | 25 | diesel |
| Coachbuilder Wagon | 1990–1995 | special purpose vehicles | 18 (1992 and 1994–1995) | 17 | gasoline only |
| Electra Estate Wagon | 1984 | midsize-large station wagons | 21 (1984) | 21 | diesel |
| Electra/Park Avenue | 1984–1990 | large cars | 24 (1984) | 19 | diesel |
| Enclave | 2008–2026 | standard SUVs | 23 (2025) | 18 | gasoline only |
| Envision | 2016–2026 | small SUVs | 26 (2021–2023) | 22 | gasoline only |
| Envista | 2024–2026 | small station wagons | 30 (2024–2026) | 30 | flex-fuel |
| Estate Wagon | 1990 | midsize-large station wagons | 18 (1990) | 18 | gasoline only |
| Funeral Coach/Hearse | 1996 | special purpose vehicles | 18 (1996) | 18 | gasoline only |
| LaCrosse | 2011–2019 | midsize cars | 29 (2013 and 2018–2019) | 23 | flex-fuel, hybrid |
| Lacrosse/Allure | 2005–2010 | midsize cars | 23 (2010) | 21 | gasoline only |
| LeSabre/Electra Wagonsame ratings as the Oldsmobile Custom Cruiser | 1985–1989 | midsize-large station wagons | 21 (1985) | 17 | diesel |
| Park Avenue | 1991–2005 | large cars | 21 (2003–2005) | 19 | gasoline only |
| Rainier | 2004–2007 | SUVs | 17 (2006–2007) | 16 | gasoline only |
| Reatta | 1988–1991 | two-seater cars | 20 (1988–1989) | 19 | gasoline only |
| Regal/Century | 1997 | midsize cars | 21 (1997) | 21 | gasoline only |
| Rendezvous | 2002–2007 | SUVs | 20 (2002–2004) | 19 | gasoline only |
| Roadmaster | 1991–1996 | large cars | 18 (1994–1996) | 17 | gasoline only |
| Skylark | 1984–1998 | compact cars | 25 (1985 and 1988) | 22 | gasoline only |
| Somerset Regal | 1985 | compact cars | 25 (1985) | 25 | gasoline only |
| Somerset/Skylark | 1986–1987 | compact cars | 24 (1986) | 23 | gasoline only |
| Terrazasame ratings as the Chevrolet Uplander | 2005–2008 | minivans | 19 (2006–2008) | 18 | flex-fuel |
| Verano | 2012–2017 | compact cars | 25 (2015) | 24 | flex-fuel |