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EnginePart report

2007 Lexus GS450H Engine Problems

Complaints
3about this part
Share
20%of 15 total for the year
Median mileage
130,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 3 complaints about the engine of the 2007 Lexus GS450H, 20% of the 15 complaints for this model year. Where a mileage was given, the median is 130,000 miles. 1 a fire, according to the filers.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“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. …”

NHTSA complaint #10889044, filed 2016-07, 150,000 miles

“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. …”

NHTSA complaint #10510565, filed 2013-05, 46,080 miles

Related service bulletins

Engine: other model years

YearComplaintsShare of year
2008120%
2007320%

Other parts of the 2007 Lexus GS450H

Brakes
6 complaints
Electrical system
2 complaints
Transmission and drivetrain
2 complaints
Air bags
1 complaints
Engine cooling
1 complaints
Other or unknown
1 complaints
Steering
1 complaints
Body and structure
1 complaints
Suspension
1 complaints
Visibility (wipers, defrost, mirrors)
1 complaints

← All problems reported for the 2007 Lexus GS450H

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology