It depends on the engine you have: The 3.4L V6 gets 21/32 The 3.8L V6 gets 19/29
The 2003 Chevrolet Impala Sedan gets 17 miles per gallon in the city, and 27 miles per gallon on the highway. The gas tank holds 17 gallons.
The EPA range estimate for the 2003 Chevrolet Impala is 323 mi. in the city, 493 mi. on the highway.
The 2003 Chevrolet Impala has 12 valves.
The 2003 Chevrolet Impala has a V6 engine.
The 2003 Chevrolet Impala is a gas-powered vehicle.
The 2003 Chevrolet Impala has a 4-speed automatic.
The 2003 Chevrolet Impala has overhead valves (OHV).
The height of the 2003 Chevrolet Impala is 4 ft. 9.3 in. (57.3 in.).
The 2003 Chevrolet Impala's turning circle is 38 ft..
The 2003 Chevrolet Impala runs on regular unleaded.
The 2003 Chevrolet Impala is 16 ft. 8 in. (200 in.) long.
The 2003 Chevrolet Impala has a drag coefficient of .30 Cd.