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Toyota Grand highlander Engine Problems

80 owner complaints filed with NHTSA across 2 model years.

Complaints by Year

Worst year: 2024. Best year: 2025.

Owner Reports

A representative sample of complaints filed with NHTSA.

Engine · 2024 2

Horrible gas smell on the interior and exterier of vehicle after fueling up.

Engine · 2024 2

I currently own a 2024 Toyota Grand Highlander with the 2.4L turbo engine, which I purchased in July 2023. I have been experiencing a strong gasoline/fuel smell coming from the vehicle. I took the vehicle to Fox Toyota in El Paso for in...

Engine · 2025 2

I have noticed on several separate occasions a strong gas odor coming from my 2025 Toyota Grand Highlander after I have completed a drive. This has been intermittent, however, yesterday on XXX, the gasoline odor was so strong after I par...

Engine · 2025 2

I continuously have issues accelerating from stop in my max hybrid. the issue is particularly worse when it is warm out. I press the gas and the RPMs drop really low and I barely move through the intersection for a few seconds. Once it f...

Engine · 2024 2

During driving on a highway at highway speed (not off-roading), A road debris or rock went through the front grille's hole and damaged the cooling system which leaked coolant and i experienced a loss of power and propulsion while driving...

Engine · 2024 2

While driving on a highway at highway speed of approximately 62 miles per hour, a rock from the highway went through the front grille's hole, and punctured the area of the radiator, resulted in a large loss of coolant, and the vehicle's ...

Engine · 2024 2

Vehicle intermittently fails to accelerate when accelerator pedal is depressed after stopping. Vehicle may move extremely slowly for several seconds and then suddenly regain power. This has occurred while entering/intersecting traffic an...

Engine · 2024 2

See attached Citizen's Petition Letter

Engine · 2025 2

The component that was available for inspection was our gas tank. It provided a profuse smell of fumes coming out of the tank and/or exhaust. You could also see vapors coming out of the gas tank when driving. The fumes alone are extremel...

Engine · 2025 2

After a complete stop at a stop sign there is hesitation/stalling when trying to accelerate. Sometimes the hesitation is several seconds and then the engine kicks in and lurches forward. Couple times this has been a safety issue as it ...

Engine · 2024 2

I've had consistent issues with the vehicle accelerating and shifting. These include sluggish acceleration, loss of power and sputtering when we've come to a complete stop and starting to move again. We've almost been hit by other vehicl...

Engine · 2025 2

This vehicle has just over 18,000 miles on it and is 14 months old. It has a manufacturer design defect that allows small stones or birds to hit and puncture the air conditioning condenser. It is a known defect and Toyota refuses to wa...

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