2018 Jeep Grand Cherokee Pre-Purchase Inspection Checklist
Known Issues — 2018 Jeep Grand Cherokee
CRITICAL
Air suspension failures (Quadra-Lift) — compressor and bag failures very common
CRITICAL
EcoDiesel emissions issues — recall and legal history, verify status
MODERATE
HEMI 5.7L tick on cold start — common, often harmless but monitor
MODERATE
Electronic parking brake failure on newer models
MODERATE
4xe PHEV charging system reliability data still accumulating
What to Inspect
- Test air suspension leveling at all heights
- Listen for HEMI tick — warm up and cold start
- Check EcoDiesel recall status if diesel
- Test electronic parking brake
- Test 4xe charging if applicable
Expected Maintenance Costs
| Service | Interval | Cost |
|---|---|---|
| Oil change (V6 Pentastar) | every 6,000 miles | $70-$100 |
| Oil change (5.7L HEMI) | every 6,000 miles | $90-$130 |
| Air suspension service | as needed | $400-$2,000 |
| Spark plugs (HEMI) | every 60,000 miles | $150-$280 |
| Brake pads (front) | every 35,000 miles | $120-$190 |
| Transfer case fluid | every 60,000 miles | $80-$130 |
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