17 gals
17.5 gallons
18 gal
16.5 gallons
If you mean passenger capacity, it is 5. If you mean oil capacity, it is 4.5 qts. If you mean fuel capacity, it is 18 gallons.
The 2012 Buick Regal runs on flex-fuel (FFV).
How do you replace the fuel filter on a 2003 Buick Regal?
along the frame towards the back near the fuel tank divers side
The 2013 Buick Regal runs on regular unleaded.
The 2001 Buick Regal runs on regular unleaded.
The 2011 Buick Regal runs on regular unleaded.
The 2002 Buick Regal runs on regular unleaded.
The 2003 Buick Regal runs on regular unleaded.