The 2011 Chevrolet Impala has 12 valves.
The 2011 Chevrolet Impala has a V6 engine.
The 2011 Chevrolet Impala has a 4-speed automatic.
The 2011 Chevrolet Impala has overhead valves (OHV).
The 2011 Chevrolet Impala has a drag coefficient of .33 Cd.
The 2011 Chevrolet Impala is 16 ft. 8.4 in. (200.4 in.) long.
The 2011 Chevrolet Impala's turning circle is 38.0 ft..
The 2011 Chevrolet Impala has 56.4 in. of front hip room.
The 2011 Chevrolet Impala has 58.7 in. of front shoulder room.
The 2011 Chevrolet Impala has 58.6 in. of rear shoulder room.
The 2011 Chevrolet Impala has 37.8 in. of rear head room.
The 2011 Chevrolet Impala has 42.3 in. of front leg room.