2018 Lexus RX350L
2018 Lexus RX350L
Overview
The 2018 Lexus RX350L is a three-row luxury SUV known for its comfortable ride, premium interior, and Lexus’s reputation for reliability. This model year introduced the longer wheelbase variant, offering more passenger and cargo space. Mechanically, it shares much with the standard RX, focusing on a smooth, refined driving experience. Owners generally report high satisfaction with its build quality and long-term durability. While no vehicle is entirely immune to issues, the RX350L tends to perform well in reliability metrics, with most reported problems being minor and infrequent. This analysis focuses on documented technical issues beyond routine maintenance.
Engine
3.5L V6 (2GR-FKS)
No Major Issues
- Symptoms: No widespread issues reported.
- Solution: No widespread issues reported.
- Cost: N/A
Transmission
8-Speed Automatic (UA80E)
No Major Issues
- Symptoms: No widespread issues reported.
- Solution: No widespread issues reported.
- Cost: N/A
Suspension
Standard Suspension
No Major Issues
- Symptoms: No widespread issues reported.
- Solution: No widespread issues reported.
- Cost: N/A
Electrical
Infotainment System
Infotainment Glitches
- Symptoms: Occasional screen freezing, unresponsiveness, or Bluetooth connectivity issues.
- Solution: Software updates or system resets. In rare cases, component replacement.
- Cost: $100 - $1500 (Software update is usually free, replacement can be costly)
Battery
Premature Battery Drain
- Symptoms: Difficulty starting, battery warning lights, or electrical components malfunctioning.
- Solution: Battery testing and replacement.
- Cost: $200 - $400
Exterior
Body Panels & Paint
No Major Issues
- Symptoms: No widespread issues reported.
- Solution: No widespread issues reported.
- Cost: N/A
Lighting
No Major Issues
- Symptoms: No widespread issues reported.
- Solution: No widespread issues reported.
- Cost: N/A
Interior
Upholstery & Trim
No Major Issues
- Symptoms: No widespread issues reported.
- Solution: No widespread issues reported.
- Cost: N/A
Climate Control
No Major Issues
- Symptoms: No widespread issues reported.
- Solution: No widespread issues reported.
- Cost: N/A
Summary Verdict
The 2018 Lexus RX350L demonstrates strong reliability, consistent with Lexus’s brand reputation. The powertrain (3.5L V6 engine and 8-speed automatic transmission) is robust and rarely presents significant issues. Suspension components are also generally durable. The most commonly cited areas for potential concern, though infrequent, are within the electrical system, specifically related to the infotainment unit experiencing occasional glitches and, less commonly, premature battery drain. Exterior and interior components are typically well-built and hold up well over time. Overall, the RX350L is a dependable choice for a luxury three-row SUV, with a low probability of major mechanical failures.