2018 Jeep Grand Cherokee buying guide

A data-driven checklist for buying a used 2018 Jeep Grand Cherokee, built from 842 owner complaints, 10 recall campaigns, 442 service bulletins and federal safety records — not opinions.

Know before you buy

10 recall campaigns affect this model year. Check each one and confirm the repairs were done — recall work is free at any authorized dealer.
Main problem areas: electrical system (336), engine (120), power train (70), fuel/propulsion system (43), seats (42).
Symptoms owners describe: stalling (46), check engine light (40), misfire / rough idle (20), overheating (19), vibration / shaking (17), hesitation / surging (15). Test-drive with these in mind.
Reported incident mileage: among 247 complaints with a usable odometer reading, half were filed between 7,679 and 58,608 miles (median 28,700). This describes when owners reported problems — it does not predict when a particular vehicle will develop one.
3 federal investigations have named this model year — read what they cover.
Crash-test rating: 4/5 stars overall from NHTSA. Full safety record.
Fuel economy: 17–25 MPG combined (EPA; engines: 3.6L 6-cyl, 3L 6-cyl, 5.7L 8-cyl).

When problems get reported

Reported incident mileage among 247 complaints with usable odometer readings.

under 20k		107
20–40k		47
40–60k		31
60–80k		30
80–100k		22
100–150k		9
150k+		1

Before you hand over money

Run the VIN through our free VIN decoder to confirm the exact build.
Check open recalls by VIN at nhtsa.gov/recalls — a recall that was never fixed is a free repair you can claim.
Get a pre-purchase inspection focused on the problem areas listed above.

This guide is generated from official NHTSA, EPA and FARS records. Complaints are unverified owner reports and raw counts are not adjusted for sales volume.