Buick fuel economy — every nameplate compared

EPA records 33 distinct Buick nameplates across 44 model years, from 1984 to 2027. The most efficient nameplate on record is the Encore GX at 31 mpg combined; the thirstiest is 15 mpg.

33nameplates on record

31best nameplate mpg

15lowest nameplate mpg

709configurations on record

Nameplates ranked by best combined rating

#	Model	Model years	Best	Worst	Configs	EPA class	Gallons a year at best rating
1	Encore GX	2020–2026	31	27	21	Small Sport Utility Vehicle 2WD	371 gal
2	Encore	2013–2022	30	25	30	Small Sport Utility Vehicle 2WD	383 gal
3	Envista	2024–2026	30	30	5	Small Station Wagons	383 gal
4	Regal eAssist	2012–2016	29	28	5	Midsize Cars	397 gal
5	LaCrosse eAssist	2012–2019	29	28	7	Midsize Cars	397 gal
6	Century	1984–2005	27	18	60	Midsize Cars	426 gal
7	Skyhawk	1984–1989	27	19	40	Compact Cars	426 gal
8	Skyhawk Wagon	1984–1989	27	21	28	Small Station Wagons	426 gal
9	Regal	1984–2020	26	16	100	Midsize Cars	442 gal
10	Century Wagon	1985–1996	26	17	41	Midsize-Large Station Wagons	442 gal
11	Envision	2016–2026	26	22	22	Small Sport Utility Vehicle 4WD	442 gal
12	Skylark	1984–1998	25	18	46	Compact Cars	460 gal
13	LaCrosse	2011–2019	25	20	24	Midsize Cars	460 gal
14	Verano	2012–2017	25	24	14	Compact Cars	460 gal
15	Electra/Park Avenue	1984–1990	24	15	16	Large Cars	479 gal
16	Somerset/Skylark	1986–1987	24	20	6	Compact Cars	479 gal
17	Cascada	2016–2019	24	23	4	Subcompact Cars	479 gal
18	Regal TourX	2018–2020	24	24	3	Small Station Wagons	479 gal
19	Lacrosse/Allure	2005–2010	23	19	15	Midsize Cars	500 gal
20	Enclave	2008–2027	23	17	40	Standard Sport Utility Vehicle 2WD	500 gal
21	Riviera	1984–1999	21	15	25	Midsize Cars	548 gal
22	LeSabre	1984–2005	21	16	35	Large Cars	548 gal
23	Park Avenue	1991–2005	21	18	28	Large Cars	548 gal
24	LeSabre/Electra Wagon	1985–1989	21	17	7	Midsize-Large Station Wagons	548 gal
25	Lucerne	2006–2011	21	18	15	Large Cars	548 gal
26	Rendezvous	2002–2007	20	18	17	Sport Utility Vehicle - 4WD	575 gal
27	Reatta	1988–1991	20	19	4	Two Seaters	575 gal
28	Terraza	2005–2008	19	17	8	Minivan - 2WD	605 gal
29	Roadmaster	1992–1996	18	17	5	Large Cars	639 gal
30	Roadmaster Wagon	1991–1996	18	17	7	Midsize-Large Station Wagons	639 gal
31	Coachbuilder Wagon	1990–1995	18	17	7	Special Purpose Vehicles	639 gal
32	Riviera Convertible	1984–1985	17	15	8	Compact Cars	676 gal
33	Rainier	2004–2007	17	15	16	Sport Utility Vehicle - 2WD	676 gal

Configurations Buick has offered by model year

Model year	Nameplates	Configurations	Most efficient that year
2027	1	2	Enclave (22 mpg)
2026	4	8	Encore GX (30 mpg)
2025	4	8	Encore GX (30 mpg)
2024	4	7	Encore GX (30 mpg)
2023	3	7	Encore GX (30 mpg)
2022	4	9	Encore GX (30 mpg)
2021	4	11	Encore GX (31 mpg)
2020	6	14	Encore GX (31 mpg)
2019	8	17	LaCrosse eAssist (29 mpg)
2018	8	17	Encore (30 mpg)
2017	7	16	Encore (30 mpg)
2016	9	20	Encore (30 mpg)
2015	7	16	Encore (28 mpg)
2014	7	16	Encore (28 mpg)
2013	7	19	Regal eAssist (29 mpg)
2012	6	15	Regal eAssist (28 mpg)
2011	4	10	Regal (24 mpg)
2010	3	9	Lacrosse/Allure (23 mpg)
2009	3	7	Lacrosse/Allure (21 mpg)
2008	4	9	Lacrosse/Allure (21 mpg)
2007	5	12	Lacrosse/Allure (21 mpg)
2006	5	15	Lacrosse/Allure (21 mpg)
2005	7	16	Century (21 mpg)
2004	6	13	Century (21 mpg)
2003	5	8	Century (21 mpg)
2002	5	8	Century (21 mpg)
2001	4	6	Century (21 mpg)
2000	4	6	Century (21 mpg)
1999	5	7	Century (21 mpg)
1998	6	9	Skylark (23 mpg)
1997	4	7	Skylark (23 mpg)
1996	9	14	Century (24 mpg)
1995	10	17	Skylark (22 mpg)
1994	9	15	Century (24 mpg)
1993	10	18	Century (23 mpg)
1992	10	20	Skylark (23 mpg)
1991	10	17	Skylark (24 mpg)
1990	9	16	Century (23 mpg)
1989	11	23	Skyhawk (26 mpg)
1988	11	25	Skyhawk (27 mpg)
1987	10	29	Skyhawk (26 mpg)
1986	10	30	Skyhawk (27 mpg)
1985	11	69	Century (27 mpg)
1984	9	72	Skyhawk (26 mpg)