2015 Lexus RX Pre-Purchase Inspection Checklist
Known Issues — 2015 Lexus RX
CRITICAL
3.5L 2GR-FE V6 water pump impeller erosion causing overheating
MODERATE
Hybrid battery pack degradation on RX450h (10+ year units)
MODERATE
Rear differential carrier bearing noise on AWD units
MINOR
Navigation system outdated and slow — maps no longer updated
MINOR
Automatic transmission harsh shift at high mileage
MINOR
Interior leather cracking on high-use surfaces
What to Inspect
- Water pump condition and coolant history on 3.5L V6
- Hybrid battery SoH on RX450h
- Rear differential noise on test drive
- Transmission shift smoothness across all ranges
- Interior leather condition
- Scan for fault codes on hybrid system
Expected Maintenance Costs
| Service | Interval | Cost |
|---|---|---|
| Oil change (synthetic) | every 10,000 miles | $120-$180 |
| Transmission fluid service | every 60,000 miles | $200-$350 |
| Spark plugs (iridium) | every 60,000-120,000 miles | $200-$350 |
| Brake fluid flush | every 3 years | $100-$160 |
| Air filter | every 30,000 miles | $40-$80 |
| Coolant flush | every 100,000 miles | $150-$250 |
| Hybrid transaxle fluid (450h) | every 100,000 miles | $200-$350 |
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