The Least Reliable New Cars Include EVs, Plug-In Hybrids, And One GMC SUV
Modern cars are marvels of technological innovation. Manufacturers are continuously pushing the boundaries of what's possible, and this results in some amazing vehicles that are capable of so much more than their predecessors. But this endless process of development can sometimes result in tech that isn't quite ready for mainstream use.
Buggy electronic systems, major engine design flaws, and poor quality control procedures can all lead to an endless cycle of repairs, and recalls, costing the consumer time, money and sometimes their sanity. Some manufacturers have got it figured out, and they rely on proven platforms and well-developed technologies to reduce the chance of major issues in their vehicles. But there are still a few manufacturers out there that haven't quite mastered the art of building consistently reliable vehicles, some due to a lack of development, some because they are pushing the limits of what is possible to the very last micron.
To help you know which cars are best to avoid, we found the five worst performing cars on the market today, and to ensure our data was unbiased and representative of real-world use, we used the latest predicted reliability data from Consumer Reports. As a non-profit that buys every car it tests and maintains strict independence from the auto industry, Consumer Reports is a trusted source for millions. The predicted reliability scores below are based on actual owner feedback from hundreds of thousands of vehicles, providing a real-world look at what it is like to live with these models. So, here are the five worst new cars currently on sale in descending order.
Genesis GV60
- CR Predicted Reliability Score: 21/100
- Model Production Dates: 2023–Present
- Segment: Luxury Electric SUV
This is not a comparison of the most accomplished cars in their respective segments, because if it were, the Genesis GV60 would be up there with the class leaders. Unfortunately, its quality interior, solid handling and strong performance are plagued by electrical gremlins.
EVs in general have suffered in reliability compared to their gas-powered counterparts, and the GV60 is no exception, with owners having significant issues with the Integrated Charging Control Unit (ICCU), EV battery problems, and several in-car electrical system failures. Noises and leaks were also reported, with trim pieces around the windshield apparently a particular weak spot.
Mazda CX-90 Plug-in Hybrid
- CR Predicted Reliability Score: 20/100
- Model Production Dates: 2024–Present
- Segment: Mid-size SUV
Mazda typically enjoys a reputation for solid reliability across most of its models, but the CX-90 Plug-in Hybrid (PHEV) has proven to be an exception. While infotainment and general electrical issues were noted, the new hybrid powertrain was responsible for the majority of the reported issues. Aside from jerky responses from the drivetrain, the EV battery, electric motor and fuel system problems have been all too common.
Some owners complained of new vehicles requiring extended stays with Mazda dealerships to rectify issues. If you're considering opting for the regular CX-90 instead, be warned that it was just out of the top five list here with an equally dismal 23/100 predicted reliability rating. Hopefully Mazda can rectify the issues in these models soon, as they are some of the best mid-size SUVs out there in terms of interior quality and overall driving appeal.
Chevrolet Blazer EV
- CR Predicted Reliability Score: 19/100
- Model Production Dates: 2024–Present
- Segment: Mid-size Electric SUV
The Chevrolet Blazer EV had a bit of a patchy start, with GM ordering a temporary stop-sale order shortly after its launch. The reason was buggy software that caused infotainment screens to go blank and several charging failures. A second stop-sale order was announced in July 2025 for drivetrain issues.
If that didn't shake owner confidence, then the intermittent issues with the electric heating system, 12-volt battery, and other electrical accessories certainly did. While the Blazer EV has the potential to be a segment leader, and has a great ride, comfortable interior and plenty of drivetrain options. But, until these issues are resolved it is difficult to recommend it over its competitors.
Rivian R1T
- CR Predicted Reliability Score: 18/100
- Model Production Dates: 2022–Present
- Segment: Full-size Electric Truck
The Rivian R1T is another vehicle on this list that overdelivers in several areas but falls desperately short on durability. Available with a range of impressive powertrains, and packed with clever engineering solutions, the R1T was one of the original EV pioneers in the full-size truck segment. However, the problems are numerous and range from poor quality control to serious issues like electric motor and battery failure.
Leaking seals, malfunctioning electric door handle motors and erratic tailgate latches all contributed to the R1T's dismal score, which is made that much worse considering its premium pricing which starts at $72,990 for the base trim.
GMC Acadia
- CR Predicted Reliability Score: 14/100
- Model Production Dates: 2024–Present
- Segment: Mid-size SUV
The unfortunate ‘winner' of this year's least reliable vehicle is the recently redesigned GMC Acadia. It is a solid offering in the mid-size SUV segment, with plenty of passenger and cargo space, a third row that is usable for adults and attractive styling inside and out. Its larger dimensions may be an improvement over the outgoing model, but the noisy and troublesome new turbocharged four-cylinder engine is not.
The new transmission accounts for the bulk of issues, with owners complaining of leaks and some needing a complete replacement. The brakes and electrical systems are also troublesome, and considering the rock bottom predicted reliability score, the Acadia in its current form is best avoided for now.
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This story was originally published May 17, 2026 at 9:30 AM.