The Pontiac G6's gas tank is 16.0 gallons.
Larger sized gas tanks are advantageous because you don't need to go to the gas station as often. Also, you can take advantage of days when gas prices are discounted and fill up your vehicle with a larger quantity of gas.
Scroll down for the gas tank size tables for your year and trim.
| Year | Trim | Engine | Gallons | Liters |
|---|---|---|---|---|
| 2010 | 4 Cyl. Sedan 4D | ECOTEC 2.4L | 16.0 | 60.6 |
| 2010 | V6 Sedan 4D | 3.5L | 16.0 | 60.6 |
| 2009 | 4 Cyl. Coupe 2D | ECOTEC 2.4L | 16.0 | 60.6 |
| 2009 | 4 Cyl. Sedan 4D | ECOTEC 2.4L | 16.0 | 60.6 |
| 2009 | V6 Convertible 2D GT | 3.5L | 16.0 | 60.6 |
| 2009 | V6 Convertible 2D GT Sport | 3.5L | 16.0 | 60.6 |
| 2009 | V6 Coupe 2D GT | 3.5L | 16.0 | 60.6 |
| 2009 | V6 Coupe 2D GXP | 3.6L | 16.0 | 60.6 |
| 2009 | V6 Sedan 4D GT | 3.5L | 16.0 | 60.6 |
| 2009 | V6 Sedan 4D GXP | 3.6L | 16.0 | 60.6 |
| 2009 | V6 Sedan 4D Sport | ECOTEC 2.4L | 16.0 | 60.6 |
| Year | Trim | Engine | Gallons | Liters |
|---|---|---|---|---|
| 2008 | 4 Cyl. Sedan 4D | ECOTEC 2.4L | 16.0 | 60.6 |
| 2008 | V6 Convertible 2D GT | 3.5L | 16.0 | 60.6 |
| 2008 | V6 Convertible 2D GT Sport | 3.5L | 16.0 | 60.6 |
| 2008 | V6 Coupe 2D GT | 3.5L | 16.0 | 60.6 |
| 2008 | V6 Coupe 2D GXP | 3.6L | 16.0 | 60.6 |
| 2008 | V6 Sedan 4D GT | 3.5L | 16.0 | 60.6 |
| 2008 | V6 Sedan 4D GXP | 3.6L | 16.0 | 60.6 |
| 2008 | V6 Sedan 4D Sport | ECOTEC 2.4L | 16.0 | 60.6 |
| 2007 | 4 Cyl. Sedan 4D | ECOTEC 2.4L | 16.0 | 60.6 |
| 2007 | V6 Convertible 2D GT | 3.5L | 16.0 | 60.6 |
| 2007 | V6 Convertible 2D GT Sport | 3.5L | 16.0 | 60.6 |
| 2007 | V6 Coupe 2D GT | 3.5L | 16.0 | 60.6 |
| 2007 | V6 Coupe 2D GT Sport (6 Spd MT) | 3.5L | 16.0 | 60.6 |
| 2007 | V6 Coupe 2D GTP | 3.6L | 16.0 | 60.6 |
| 2007 | V6 Sedan 4D GT | 3.5L | 16.0 | 60.6 |
| 2007 | V6 Sedan 4D GT Sport (6 Spd) | 3.5L | 16.0 | 60.6 |
| 2007 | V6 Sedan 4D GTP | 3.6L | 16.0 | 60.6 |
| 2007 | V6 Sedan 4D Sport | ECOTEC 2.4L | 16.0 | 60.6 |
| Year | Trim | Engine | Gallons | Liters |
|---|---|---|---|---|
| 2006 | 4 Cyl. Sedan 4D | ECOTEC, 2.4L | 16.0 | 60.6 |
| 2006 | V6 Convertible 2D GT | 3.5L | 16.0 | 60.6 |
| 2006 | V6 Convertible 2D GTP | 3.9L | 16.0 | 60.6 |
| 2006 | V6 Coupe 2D GT | 3.5L | 16.0 | 60.6 |
| 2006 | V6 Coupe 2D GTP | 3.9L | 16.0 | 60.6 |
| 2006 | V6 Sedan 4D | 3.5L | 16.0 | 60.6 |
| 2006 | V6 Sedan 4D GT | 3.5L | 16.0 | 60.6 |
| 2006 | V6 Sedan 4D GTP | 3.9L | 16.0 | 60.6 |
| 2005 | V6 Sedan 4D | 3.5L | 16.0 | 60.6 |
| 2005 | V6 Sedan 4D GT | 3.5L | 16.0 | 60.6 |
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Also, you can consult the vehicle's owner's manual.