1800 or so
The 2006 Chevrolet Impala has 12 valves.
The 2006 Chevrolet Impala's engine produces 211 hp @ 5800 rpm.
The gas tank on the 2006 Chevrolet Impala holds 17 gal..
The 2004 Chevrolet Impala has 12 valves.
The 2014 Chevrolet Impala has 16 valves.
The 2010 Chevrolet Impala has 12 valves.
The 2003 Chevrolet Impala has 12 valves.
The 2008 Chevrolet Impala has 12 valves.
The 2005 Chevrolet Impala has 12 valves.
The 2002 Chevrolet Impala has 12 valves.
The 2007 Chevrolet Impala has 12 valves.
The 2011 Chevrolet Impala has 12 valves.