ElectricalHigh
TIPM and general electrical gremlins.
- Typically appears
- 60,000+ miles
- What to inspect
- Test all accessories, remote functions, and check for warning lights.
- Typical repair
- Electrical diagnosis & module repair · £120–£900
Is the 2011–2021 Jeep Grand Cherokee reliable?
Scored from 8 documented faults · reviewed by the VehicleFaults Research Team
Quick answer
3.9/ 10
Buy with cautionOn our documented-fault scoring the Jeep Grand Cherokee rates 3.9 out of 10 · buy with caution. We hold 8 known faults for it and 3 are rated high severity, so the risk is real but contained. The weak points cluster around engine, electrical and suspension. A well-serviced example with evidence for the big-ticket items is usually a safe buy; the score describes the model, not the specific car in front of you.
Verdict · Walk unless the history is spotless
What the score is built from
- Critical
- 0
- High
- 3
- Medium
- 5
- Low
- 0
Weak points cluster around engine, electrical, suspension, body.
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Check this carThe faults that decide it
Engine (3.0 CRD)High
Oil pooling in the engine V-valley leaking down the bell housing due to a failed oil cooler seal.
- Typically appears
- 60,000-80,000 miles
- What to inspect
- Shine a torch down the front of the engine valley beneath the turbo intake; look for fresh oil drips underneath where the engine meets the gearbox.
- Typical repair
- Turbocharger replacement · £750–£2,200
DrivetrainHigh
Transfer case control module or motor failure causing a 'Serv 4WD' warning and drivetrain binding.
- Typically appears
- 70,000-100,000 miles
- What to inspect
- Start the engine, engage 4WD Low, and perform a tight figure-of-eight on the forecourt listening for drivetrain clunks or skipping tyres.
- Typical repair
- Driveline / differential repair · £450–£1,800
EngineMedium
3.6L Pentastar rocker arm / lifter tick (earlier builds).
- Typically appears
- 70,000+ miles
- What to inspect
- Listen for a ticking noise on start-up and at idle.
- Typical repair
- Suspension refresh (per axle) · £250–£1,100
SuspensionMedium
Quadra-Lift air suspension faults on so-equipped models.
- Typically appears
- 70,000+ miles
- What to inspect
- Confirm the SUV raises/lowers correctly with no faults.
- Typical repair
- Suspension refresh (per axle) · £250–£1,100
Costs are indicative UK independent-garage bands for budgeting and negotiation · never a quote.
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