Above Average Reliability
2018 Lexus LX Pre-Purchase Inspection Checklist
Known Issues — 2018 Lexus LX
MODERATE
5.7L 3UR-FE V8 timing chain tensioner wear on high-mileage units
MODERATE
Air suspension height control system failure
MODERATE
Transfer case actuator failure causing 4WD mode issues
MODERATE
Rear differential leak from worn carrier seals
MINOR
Navigation system outdated — no longer updated post-2022
MINOR
Third-row seat power fold mechanism failure
What to Inspect
- Air suspension height control in all positions
- 4WD engagement — test 4H, 4L, and crawl mode
- Transfer case actuator smoothness
- Rear differential for leaks
- Third-row power seat fold mechanism
- Timing chain cold-start rattle on V8
Maintenance costs to expect
| Service | Interval | Cost |
|---|---|---|
| Oil change (synthetic) | every 10,000 miles | $180-$280 |
| Transfer case fluid | every 30,000 miles | $150-$250 |
| Front/rear differential fluid | every 30,000 miles | $200-$350 |
| Spark plugs (iridium) | every 90,000-120,000 miles | $400-$650 |
| Air suspension inspection | every 30,000 miles | $100-$200 |
| Brake fluid flush | every 3 years | $150-$250 |
| Coolant flush | every 100,000 miles | $200-$350 |
Get a Personalized AI Inspection Report
The data above covers common issues. For a comprehensive, AI-generated report specific to this vehicle — including detailed checks for every system, red flags, and a full verdict — generate your free report below.
2 free reports per day · No account needed
More Lexus Inspection Checklists
Maintenance Guides for Lexus Owners
Want a complete buying guide? Read our used car buying inspection checklist.
