Buick Regal Fuel Tank Size by Year

Newest year we have: the 2020 Buick Regal manual lists 16.5 gal. Across 2014–2020 it changes by year and version, so check yours below. Each year links to its owner's manual page.

2019 Buick Regal, representative photo
Shown: a 2019 Buick Regal (same generation). Photo: SsmIntrigue, CC BY-SA 4.0
YearFuel tank sizeSource
2020 16.5 gal 2020 manual →
2019 16.5 gal 2019 manual →
2018 16.5 gal 2018 manual →
2017 18.6 gal 2.0L L4 Engine18.6 gal 2.4L L4 Engine (LEA) 2017 manual →
2016 18.6 gal 2.0L L4 Engine18.6 gal 2.4L L4 Engine (LEA) 2016 manual →
2015 18.6 gal 2.0L L4 Engine18.6 gal 2.4L L4 Engine (LEA) 2015 manual →
2014 18.6 gal 2.0L L4 Engine18.6 gal 2.4L L4 Engine (LEA)15.8 gal 2.4L L4 Engine (LUK) 2014 manual →

Years are the 2014–2020 model years we have the owner's manual for. Open a year to see every version and the page it's printed on.

Confirm with your own manual, dipstick or door-jamb label.
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