2018 Lexus ES Problems: 1 Issues Every Owner Should Know
2018 model year · 1,200+ owner reports · Updated April 2026
According to Au7o's analysis of 1,200+ owner reports, the 2018 Lexus ES has 1 documented known issues, with 1 rated critical. The most serious is Hybrid Battery Pack Degradation ($1,500-$5,000 repair). The most commonly reported issue is Hybrid Battery Pack Degradation with 1,200 owner reports. Across all issues, repair costs range from $1,500 to $5,000. DIY maintenance guides at au7o.io.
All 1 Known Issues
On the 2013-2019 Lexus ES 2.5L 2AR-FXE Hybrid, the ES300h hybrid battery pack experiences capacity degradation over time, particularly in hot climates where thermal cycling accelerates cell deterioration. Owners report reduced fuel economy, inability to maintain EV mode, and eventually a hybrid system warning light. The NiMH battery pack typically begins showing degradation between 8-12 years of age.
Common Symptoms
- Decreased fuel economy by 5-10 MPG
- Hybrid system warning light on dashboard
- Unable to enter or maintain EV mode
- Reduced acceleration performance
- Battery charge gauge drops rapidly
How to Fix
Replace the hybrid battery pack with a new or refurbished unit. Lexus dealers charge $3,000-$5,000 for a new pack. Aftermarket refurbished packs from companies like Green Bean Battery or Dorman cost $1,500-$2,500 installed. Individual cell replacement is also possible for partial degradation.
What Owners Are Using
Parts and tips from 1,200+ owners who fixed this issue
- UpgradeGreen Bean Battery refurbished hybrid battery pack with lifetime warranty — significantly cheaper than dealer replacement and includes professional installation. (Green Bean Battery #GBB-ES300H)