Cadillac gas tank sizes
38 models, tanks from 9.3–31.0 gallons. Pick one for every year and trim.
Current models
Older models
Allante1990–1993 · 22.0 gal
ATS2013–2018 · 16.0 gal
ATS Coupe2015–2019 · 16.0 gal
ATS-V2016–2019 · 16.0 gal
Brougham1990–1992 · 25.0 gal
Catera1997–2001 · 16.0–18.0 gal
CT4-V Blackwing2022 · 17.0 gal
CT5-V Blackwing2022 · 17.0 gal
CT62017–2020 · 15.6–19.5 gal
CT6-V2019–2020 · 19.2 gal
CTS2003–2019 · 17.0–19.0 gal
CTS Coupe2011–2014 · 18.0 gal
CTS Wagon2010–2014 · 18.0 gal
CTS-V2004–2019 · 17.0–19.0 gal
CTS-V Coupe2011–2015 · 18.0 gal
CTS-V Wagon2011–2014 · 18.0 gal
DeVille1990–2005 · 18.0–20.0 gal
DTS2006–2011 · 18.0 gal
Eldorado1990–2002 · 18.8–20.0 gal
ELR2014–2016 · 9.3 gal
Escalade EXT2002–2013 · 31.0 gal
Escalade Hybrid2009–2013 · 25.0–26.0 gal
Fleetwood1990–1996 · 18.0–23.0 gal
Seville1990–2004 · 18.0–20.0 gal
Sixty Special1993 · 18.0 gal
SRX2004–2016 · 20.0–21.0 gal
STS2005–2011 · 17.0 gal
STS-V2006–2009 · 17.0–17.5 gal
XLR2004–2009 · 18.0 gal
XLR-V2006–2009 · 18.0 gal
XTS2013–2019 · 19.0–20.0 gal
Tank sizes are in US gallons, across every year of that model.