Japanese automakers have long been synonymous with reliability. But in a surprising turn, three big-name Japanese brands landed on 2025’s least reliable list, according to recent dependability studies. Whether you’re shopping for a new ride or keeping an eye on repair costs, these ratings matter more than ever. If you value freedom from breakdowns, knowing which Japanese brands lag behind can save you stress and money. Here’s a deep dive into each brand that stumbled in 2025’s reliability rankings.
1. Mitsubishi: Falling Behind the Pack
Mitsubishi ranked at the very bottom among Japanese car brands in JD Power’s 2025 Vehicle Dependability Study. That places it behind other brands from Japan in terms of problems per 100 vehicles. Owners reported issues in crucial systems—like the drivetrain and electrical components—within the first few years of ownership. Reliability experts warn that warranties may cover early defects, but frequent visits to the shop can still be costly and time-consuming. If you’re considering a Mitsubishi, budgeting extra for maintenance and repairs may be wise.
2. Nissan: CVT Concerns and Electrical Woes
Nissan and its luxury offshoot Infiniti also landed among the least reliable Japanese brands in 2025. A key liability? Nissan’s use of continuously variable transmissions (CVTs), which many owners report failing prematurely, sometimes well before 100,000 miles. Electrical issues, particularly infotainment glitches and sensor malfunctions, further eroded trust in the brand. Mechanics have described some Nissan models as “ticking time bombs” because of these transmission problems. Before buying, ask a trusted mechanic about common repair costs for the specific model you’re eyeing.
3. Honda (Acura wounds?) – A Surprise on the List
Although Honda’s luxury division, Acura, was cited in one report, the broader brand didn’t escape mention completely. While Honda often tops reliability charts, some newer models are slipping in dependability rankings. Observers note that high-tech infotainment systems and increasingly complex engine designs can introduce failure points. Consumer Reports and JD Power flagged early electrical or transmission concerns in a few 2023–2024 models. That shifts the reputation; even once-trustworthy Honda now needs careful research before purchasing.
Digging Into Why They Dropped
Brand reputation used to trump short-term issues—but not any longer. In 2025, reports like Consumer Reports and JD Power’s dependability studies emphasize vehicle performance in the first three years. The industry average for vehicle problems has climbed 6%, reaching the highest level since 2009. Even brands like Mitsubishi, Nissan, and unexpected names like Honda are feeling the squeeze. Buyers rely less on past stereotypes and more on hard data from owners who’ve experienced real-world reliability.
Where Japanese Reliability Still Holds Strong
Don’t lose faith in Japanese engineering just yet. Brands like Toyota, Lexus, Subaru, and Mazda continue to top reliability charts in 2025. Toyota and Lexus remain household names for long-lasting vehicles with lower lifetime costs. Subarus and Mazda models also earn high marks for mechanical simplicity and longevity. So if you’re set on Japanese quality, stick with these brands while steering clear of the few slipping behind.
Drive With Confidence, Not Assumptions
Japanese automakers remain at the heart of global automotive culture. Yet, 2025’s reliability rankings reveal that even trusted brands—Mitsubishi, Nissan, and parts of Honda—can underperform. The key is awareness: know the weak spots and prepare accordingly. Research model-specific data, ask the right questions before buying, and always account for potential repairs. That way, you can still enjoy Japanese innovation without the headaches.
Have you owned—or avoided—a car from one of these Japanese brands? Tell us about your experience in the comments and help others drive smarter!
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