Most common 2007 Lexus GS450H problems
Share of the 15 complaints; one complaint can involve more than one system. "~" is the median mileage when the problem started.
Lexus GS450H complaints by model year
2007 Lexus GS450H recalls (1)
Engine and engine cooling › Engine
Toyota is recalling certain model year 2006 through 2008 Lexus passenger cars manufactured from August 26, 2005 through August 4, 2008. Micro-foreign objects in the material of the valve spring May degrade the strength of the valve spring, possibly causing the spring to break.
Remedy: Toyota will notify owners and dealers will repair the vehicles free of charge. The safety recall began on September 2, 2010. Owners May contact Lexus at 1-800-255-3987.
NHTSA defect investigations
Federal safety investigators have looked into a possible defect involving the 2007 Lexus GS450H:
Pedestrian alert sounds
NHTSA received a petition on or about July 18, 2022, requesting that Federal Motor Vehicle Safety Standard (FMVSS) 141 be applied to all electric and hybrid vehicles operating in the United States. The petition can be reviewed at NHTSA.gov under ODI Number 11486072. FMVSS 141 establishes performance requirements for pedestrian alert sounds for motor vehicles.
What 2007 Lexus GS450H owners say
Brakes
Tl* the contact owns a 2007 Lexus GS450H. The contact stated that the brakes screeched excessively when the brake pedal was depressed. The vehicle was taken to the dealer for diagnostic testing and determined that the actuator assembly needed to be replaced. The manufacturer was made aware of the failure. The vehicle was not repaired. The failure mileage was 110,000.
Tl* the contact owns a 2007 Lexus gs450 hybrid. The contact stated that while driving at various speeds and engaging the brakes, the vehicle would shake violently. The vehicle was taken to the dealer but the technician was unable to diagnose the failure. The manufacturer was made aware of the failure but did not offer any assistance since the dealer was unable to diagnose the failure. The vehicle was not repaired. The VIN was not available. The failure mileage was 80,000 and the current mileage was 120,000.
Engine & cooling
Tl* the contact owns a 2007 Lexus GS450H. While the vehicle was parked, a loud unknown noise was heard from the rear of the vehicle. The check engine, stability control, and electronic stability program warning lights illuminated. In addition, the vehicle vibrated severely when restarted and failed to accelerate when the accelerator pedal was depressed. The failure occurred whenever the vehicle was operated. The vehicle was taken to a dealer where it was diagnosed, but the cause of the failure was not found. The vehicle was not repaired. The manufacturer was not made aware of the failure. The failure mileage was 150,000.
Tl* the contact owns a 2007 Lexus GS450H. The contact stated that while driving 10 MPH, there was a loud banging noise heard from under the engine. The contact came to a stop on the shoulder of the road and exited the vehicle. The vehicle then immediately caught on fire. The fire department was called to extinguish the fire and a fire report was filed. The vehicle was inspected by the contact's insurance company but the cause of the failure was undetermined. The manufacturer was made aware of the failure, but no assistance was provided to the contact. The failure and current mileage was 46,080. Kmj
2007 Lexus GS450H engines & fuel economy
| Engine | Transmission | Drive | MPG city / hwy / combined |
|---|---|---|---|
| 3.5L 6-cyl hybrid | 6-speed automatic | RWD | 22 / 25 / 23 |
EPA ratings. Class: Compact car.
Frequently asked questions
Is the 2007 Lexus GS450H a good car?
There isn't enough complaint history for the GS450H to compare model years reliably. So far owners have filed 15 complaints with NHTSA.
What is the most common problem with the 2007 Lexus GS450H?
The brakes — 6 complaints, 40% of all complaints for this model year. Next are the engine & cooling (4) and electrical system (2).
How many recalls does the 2007 Lexus GS450H have?
There is 1 recall for the 2007 Lexus GS450H, the most recent from July 6, 2010 (engine). Recall repairs are free at any authorized dealer — check whether yours has been done with the VIN recall check.
At what mileage do 2007 Lexus GS450H problems happen?
The median mileage reported in complaints is about 76,000 miles; 42% of problems with a recorded mileage started before 50,000 miles.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.