Mazda 6 Gas Tank Size & Fuel Capacity by Year

Sedan 2003–202119 model years

16.4–18.5gal · 62–70 L

Across 19 model years (2003–2021), the Mazda 6 has used tanks from 16.4–18.5 gallons. The 2021 model holds 16.4 gallons.

Pick your model year

Mazda 6 fuel tank by model year

Model years with the same tank sizes, grouped. A change usually marks a new generation or a redesign.

Year	Tank	Liters	Best highway range	Trims
2021 Mazda 6	16.4 gallons	62 L	574 mi	6
2020 Mazda 6	16.4 gallons	62 L	574 mi	5
2019 Mazda 6	16.4 gallons	62 L	574 mi	5
2018 Mazda 6	16.4 gallons	62 L	574 mi	6
2017 Mazda 6	16.4 gallons	62 L	574 mi	10
2016 Mazda 6	16.4 gallons	62 L	623 mi	5
2015 Mazda 6	16.4 gallons	62 L	656 mi	5
2014 Mazda 6	16.4 gallons	62 L	623 mi	5
2013 Mazda 6	18.5 gallons	70 L	555 mi	6
2012 Mazda 6	18.5 gallons	70 L	574 mi	7
2011 Mazda 6	18.5 gallons	70 L	574 mi	7
2010 Mazda 6	18.5 gallons	70 L	555 mi	9
2009 Mazda 6	18.5 gallons	70 L	555 mi	10
2008 Mazda 6	18.0 gallons	68 L	522 mi	17
2007 Mazda 6	18.0 gallons	68 L	522 mi	29
2006 Mazda 6	18.0 gallons	68 L	522 mi	15
2005 Mazda 6	18.0 gallons	68 L	504 mi	10
2004 Mazda 6	18.0 gallons	68 L	522 mi	5
2003 Mazda 6	18.0 gallons	68 L	522 mi	2

What size gas tank does the Mazda 6 have?

The 2021 Mazda 6 holds 16.4 gallons. Older years range from 16.4–18.5 gallons; the table has every year.

Has the tank size changed over the years?

Yes. The largest tank changed in 2014, 2009.