Life of a 2007 5.3L in a Suburban? Please help.

Branden Rasmussen

Asked by Jan 22, 2014 at 02:24 PM about the 2007 Chevrolet Suburban LT3 1500 4WD

Question type: Maintenance & Repair

I'm looking at 2007 1500 Suburban 4x4 with 125,000 miles on it. What is the life span of the GM 5.3 these days? Please help. Thanks in advance.

5 Answers


If maintained properly you can get 300,000 miles easy

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Best Answer

As Tuff said, maintenance is the key to longevity in any vehicle. Run a carfax or other vehicle history report. Many service facilities now report to carfax when a vehicle has maintenance or repairs done. This will be a good indicator of how well the vehicle has been taken care of. HTH. - Jim

1 out of 1 people think this is helpful.

You have to be careful with those engines, if the rings get plugged its 5,000 for a new motor!

Branden Rasmussen

Thank you for the information, 300,00 is a long time. I come from the old days of a SBC going 100,00 and out. I am looking for a family & car hauler :-)

1 out of 1 people think this is helpful.

Vehicles have come a long way since the 80's. Made to last longer. There is a guy who has one here and the truck is beat to pieces. 450,000 miles original engine and no tear downs to repair it.

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