2018 Lexus NX300h
The 2018 Lexus NX300h is a luxury compact SUV known for its fuel efficiency and comfortable ride. It features a hybrid powertrain consisting of a 2.5-liter inline-4 engine paired with an electric motor, producing a combined 194 horsepower and 152 lb-ft of torque. It uses an electronically controlled continuously variable transmission (ECVT). While owners appreciate the NX300h’s reliability, fuel economy, and luxurious interior, some common complaints involve the infotainment system’s complexity, the sometimes-sluggish acceleration, and the limited cargo space compared to some competitors.
Electric Motor
Hybrid Electric Motor
- High Voltage Battery Degradation
- Description/Symptoms: Reduced electric-only driving range, warning lights illuminating, and decreased overall fuel economy.
- Solution: Replacement of the high voltage battery pack.
- Estimated Cost to Fix: $5,000 - $8,000+
- Recalls: None Found
Transmission
ECVT (Electronically Controlled Continuously Variable Transmission)
- No Issues Found
Suspension
- No Issues Found
Electrical
- Infotainment System Freezing/Crashing
- Description/Symptoms: The infotainment screen freezes, becomes unresponsive, or crashes randomly. This affects navigation, audio, and climate control functions.
- Solution: Software update from the dealership. In some cases, replacement of the infotainment unit may be necessary.
- Estimated Cost to Fix: $0 (software update) - $1,500+ (unit replacement)
- Recalls: None Found
- Bluetooth Connectivity Issues
- Description/Symptoms: Difficulty pairing devices, dropped connections, or inability to stream audio via Bluetooth.
- Solution: Trying a different phone, software update, or phone update. Some cases may require Bluetooth system replacement.
- Estimated Cost to Fix: $0 (software/phone update) - $500+ (unit replacement)
- Recalls: None Found
Exterior
- No Issues Found
Interior
- No Issues Found
Summary
The 2018 Lexus NX300h appears to be a generally reliable vehicle with a few common issues. The most significant potential problem is high voltage battery degradation, which can be costly to repair. The infotainment system issues can be frustrating. Overall, the vehicle demonstrates moderate cost of ownership with the potential for some expensive repairs.