Jul 31, 2023 · The final years make great purchases as Jeep had already worked on the issues that had plagued earlier model years. We particularly recommend the 2017 Grand Cherokee as it had excellent reliability ratings on J.D. Power. 2017 Jeep Grand Cherokee Reliability. Avg. Yearly Maintenance Costs: $517 (RepairPal)

Feb 13, 2021 · oldmac1. 430 posts · Joined 2008. #10 · Feb 14, 2021. My extended warranty on my 15 came into play and saved me $2150 dollars but took 3 weeks to be replaced. My 18 has not needed to be replaced (yet) but I do have a extended warranty. The air suspension does work well but my failure rate is 1 out of 3 Jeeps have failed during cold weather.

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