An 04 burb is valued at appx 18 - 24k depending on options/condition. Usually extended warranties aren't worth the expense. Edmunds estimates the maintenance expense for the 07 burb over 5 years as:My 04's warranty is up this october. I can have it extended if I wish. It has 27k on it now. Do you think it pays? 2-yr's=$2050 3-yr's=$2560 4-yr's=$3650 and 6-yr's=$5895.