The M18 served primarily in Western Europe, but was also present in the Pacific.
M18 strength in the European Theatre of Operations varied from 136 in June 1944 to a high of 540 in March 1945.
Losses totaled 216.
Kills claimed were 526 in total: 498 in Europe, 17 in Italy, and 11 in the Pacific.
The kills-to-losses ratio for Europe was 2.3 to 1 and the overall kill to loss ratio was 2.4 to 1.

M18s were “…not primarily used for tank fighting, but were committed more often to improvised roles, usually direct fire support for infantry.”
The M18 served primarily in Western Europe, but was also present in the Pacific. M18 strength in the European Theatre of Operations varied from 136 in June 1944 to a high of 540 in March 1945. Losses totaled 216. Kills claimed were 526 in total: 498 in Europe, 17 in Italy, and 11 in the Pacific. The kills-to-losses ratio for Europe was 2.3 to 1 and the overall kill to loss ratio was 2.4 to 1.
M18s were “…not primarily used for tank fighting, but were committed more often to improvised roles, usually direct fire support for infantry.”
M18 Hellcat