2021 Tesla Model X Pre-Purchase Inspection Checklist
Known Issues — 2021 Tesla Model X
CRITICAL
Falcon wing door mechanism failures and water leaks — very common
CRITICAL
Drive unit failures on early examples
CRITICAL
12V battery sudden failure causing power loss
MODERATE
MCU failure on pre-2021 models
MODERATE
Panel gaps on falcon wing doors and cargo area
What to Inspect
- Test falcon wing doors multiple times — critical failure point
- Check for water leaks around falcon wing doors
- Test drive unit for noise
- Verify MCU generation and recall status
- Test full charging session and check battery health
Expected Maintenance Costs
| Service | Interval | Cost |
|---|---|---|
| Tire rotation | every 6,000 miles | $60-$120 |
| Falcon wing door service | as needed | $300-$2,000 |
| Brake fluid flush | every 2 years | $150-$250 |
| Cabin air filter (HEPA) | every 3 years | $80-$150 |
| Tire replacement (performance) | every 20,000-30,000 miles | $900-$1,800 |
| 12V battery replacement | every 4-5 years | $200-$400 |
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