2017 Lexus GX460

The 2017 Lexus GX 460 is a body-on-frame SUV known for its off-road capability, luxurious features, and reliability. It’s powered by a 4.6-liter V8 engine producing 301 horsepower and 329 lb-ft of torque, paired with a 6-speed automatic transmission. It’s available only in 4-wheel drive. Owners appreciate its comfortable ride, quiet cabin, and Lexus reputation for dependability. Common complaints include its outdated infotainment system, less than stellar fuel economy, and body-on-frame handling characteristics compared to more modern crossover SUVs.

Engine

4.6L V8 (1UR-FE)

• Valley Plate Coolant Leak
  • Description/Symptoms: Coolant leak originating from the valley plate under the intake manifold, causing a loss of coolant and potential overheating. The coolant may have a sweet smell.
  • Solution: Replacement of the valley plate gasket and resealing the valley plate to the engine block.
  • Estimated Cost to Fix: $1,000 - $2,000+
  • Recalls: None Found
• Water Pump Failure
  • Description/Symptoms: Coolant leak from the water pump, often accompanied by a whining or squealing noise from the engine. Can lead to overheating if not addressed.
  • Solution: Replacement of the water pump and coolant.
  • Estimated Cost to Fix: $600 - $1,200+
  • Recalls: None Found

Transmission

6-Speed Automatic (A760F)

• Torque Converter Shudder
  • Description/Symptoms: Shuddering or vibration felt during low-speed acceleration, especially between 30-45 mph. It is most noticeable when the torque converter is locking and unlocking.
  • Solution: Performing a transmission fluid flush (multiple drain and fills may be required). In severe cases, torque converter replacement may be necessary.
  • Estimated Cost to Fix: Fluid flush: $200-$400, Torque converter replacement: $1,500-$3,000+
  • Recalls: None Found

Suspension

• Rear Air Suspension Failure
  • Description/Symptoms: The rear of the vehicle sagging or leaning to one side, often accompanied by an “AHC” warning light on the dashboard. The air compressor may also run excessively or fail.
  • Solution: Replacement of the faulty air springs (airbags), air compressor, or air suspension height sensors. It’s often recommended to replace air springs in pairs.
  • Estimated Cost to Fix: Air spring replacement (per side): $800 - $1,500, Air compressor replacement: $1,000 - $2,000+
  • Recalls: None Found

Electrical

• Navigation/Infotainment System Freezing or Rebooting
  • Description/Symptoms: The navigation/infotainment screen freezes, becomes unresponsive, or spontaneously reboots. This can affect navigation, audio, and climate control functions.
  • Solution: Software update of the navigation system. In some cases, the head unit needs to be replaced.
  • Estimated Cost to Fix: Software Update: $100-$300, Head Unit Replacement: $1,000 - $3,000+
  • Recalls: None Found
• Backup Camera Failure
  • Description/Symptoms: The backup camera display is black or distorted when the vehicle is shifted into reverse.
  • Solution: Check the camera wiring and connection. If wiring is good, then replace the backup camera.
  • Estimated Cost to Fix: $300-$800
  • Recalls: None Found

Exterior

• No Issues Found

Interior

• Cracked Dashboard
  • Description/Symptoms: Cracking of the dashboard, especially in warmer climates or with prolonged sun exposure.
  • Solution: Replacement of the dashboard. Applying a dashboard protectant can help prevent it.
  • Estimated Cost to Fix: $1,500 - $3,000+
  • Recalls: None Found

Summary

The 2017 Lexus GX 460 is generally a reliable vehicle. The most significant issues reported are related to the engine with the valley plate coolant leak being a common concern, and the rear air suspension system which can be expensive to repair. Infotainment glitches and cracked dashboards also affect some owners. While some repairs can be costly, the GX 460’s reputation for longevity and off-road capability often outweigh these potential drawbacks for buyers.