2021 Jeep Gladiator Pre-Purchase Inspection Checklist
Known Issues — 2021 Jeep Gladiator
CRITICAL
Death wobble on lifted or modified examples
MODERATE
Pentastar V6 oil consumption
MODERATE
Soft top seal leaking wind noise and water
MINOR
Bed flex noise on rough terrain — unibody-like rigidity limits
MINOR
EcoDiesel fuel economy below expectations off-road
What to Inspect
- Drive at highway speed to check for death wobble
- Check oil for consumption
- Check soft top seals for water intrusion
- Inspect undercarriage for off-road damage
- Test all drivetrain modes
Expected Maintenance Costs
| Service | Interval | Cost |
|---|---|---|
| Oil change (Pentastar) | every 6,000 miles | $70-$100 |
| Differential fluid (front & rear) | every 30,000 miles | $130-$200 |
| Transfer case fluid | every 60,000 miles | $80-$130 |
| Spark plugs | every 60,000 miles | $100-$180 |
| Brake pads (front) | every 30,000-40,000 miles | $110-$180 |
| Coolant flush | every 60,000 miles | $100-$160 |
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