6quarter
Any engine that the 03 Impala came with takes 4.5 qts.
4 1/2 quarts
5 qts. with a new filter.
4.5 us quarts (4.2 liters).....
Purolator L22500
2002 Chevrolet Impala's offered with two different engines; 3.4 and 3.8 Liters V6.
4 1/2 to 5 quarts of oil depending on engine size and oil filter capacity.
4.23 Quarts
5 quarts with filter change.
It is on the very bottom of the engine on the oil pan.
M62 oil capacity is 9.77 quarts.
Engine oil capacity, 5 qts with filter change.