One problem related to engine oil leaking has been reported for the 2003 Nissan Xterra. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2003 Nissan Xterra based on all problems reported for the 2003 Xterra.
Nissan Xterra frame rusted beyond any safety justification. Oil leaks from engine up two 2 quart a day lead to engine seized up without warning.