The battle ends after a week of fighting in early September 1942

At the end of the Battle of Alam el Halfa, we can compare the losses of the combatants:

Germans:  
  1,859 men killed, wounded, or missing
  33 guns, 298 vehicles, and 38 tanks lost

Italians: 
  1,051 men killed, wounded, or missing
  22 guns, 97 vehicles, and 11 tanks lost

British:  
  1,750 men killed, wounded, or missing
  15 anti-tank guns and 67 tanks lost or damaged 
     (31 Grants and 21 Valentines used as infantry tanks)

This is based on the account in Vol.III of the Official History.