A defective set of spark plugs with certain model year 2023 Toyota GR86 to have premature failure. While driving at highway speed spark plug blew up resulting in a cylinder 4 misfire and loss of drivability. The service advisor from the Toyota dealership unofficially confirmed this has happened to multiple other gr86 models. Along with being unofficially confirmed by an aftermarket specialist. Ori…
2023 toyota GR86 engine problems
moderate 3 complaints filed with NHTSA · avg repair $3,100
What owners are reporting 3 most recent
The contact owned a 2023 Toyota GR86 Sport vehicle. The contact stated that while driving 139 MPH for a couple of minutes, the vehicle stalled. Several unknown warning lights were illuminated. The contact was able to pull to the side of the road. The vehicle failed to restart and was towed to the dealer, where it was diagnosed that the engine had failed and needed to be replaced. The contact state…
Oil leak caused from poor/bad spark tube seals Fire Hazard: Oil leaks, especially from hot engine parts, can increase the risk of fire. Oil on the exhaust system or other components can ignite, causing a dangerous situation. Car was brought to dealership for a leak. Oil was found leaking from engine gasket cover from spark tube seals. Toyota only fixes the seals that are found cracked. ALL sea…
Common questions
How serious is the engine problem on the 2023 toyota GR86?
It's a documented issue but not catastrophic. 3 complaints have been filed. Repairs average $3,100 and most owners catch it before it causes a breakdown.
At what mileage does the engine typically fail?
Mileage data is limited for this issue. Owners report failures across a wide range, suggesting cause is more about driving conditions and maintenance than mileage alone.
What does it cost to fix?
Independent shops typically charge around $3,100 for engine repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to engine?
No active recalls currently cover engine issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.