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Updated April 2, 2025
Mazda has long marketed itself as the enthusiast’s choice among mainstream brands. “Zoom-Zoom” built a loyal following, and the newer “Driving Matters” tagline continues to emphasize handling and engagement. That reputation leads many buyers to assume used Mazdas hold their value as well as a Miata owner’s smile. But the reality is more nuanced: while the Miata, Mazda3, CX-30, and CX-5 retain decent resale, several other models see their prices drop far faster than comparable rivals.
This isn’t a list of cars that are unreliable or unpleasant to drive—though some have their quirks. Instead, it’s a look at four Mazda models that offered something rare, ambitious, or unique, yet still fail to command strong prices on the used market. Based on the latest 2025 auction data, dealer pricing, and consumer reports, here are the Mazdas that will surprise you—in the wrong way.
The second-generation CX-9 (2016–2023) was Mazda’s flagship three-row crossover, praised for its near-luxury interior, responsive turbocharged engine, and driving dynamics that Car and Driver once called “Miata-like.” The Signature trim even featured Nappa leather, real Santos rosewood, and heated captain’s chairs. Priced at over $47,000 in 2022, it competed directly with the Toyota Highlander and Honda Pilot.
Yet the used market has not been kind. According to iSeeCars’ 2025 depreciation study, a five-year-old CX-9 has lost about 50.7% of its value, compared to the Highlander’s 41.8%. That nine-percentage-point gap means the Mazda is worth roughly $5,000 less than a comparable Toyota after five years. Current dealer listings show a 2020 CX-9 Grand Touring averaging $23,500, while a 2020 Highlander XLE runs closer to $28,000.
Why the disconnect? The CX-9’s third-row space is notably tight, its cargo area trails the segment, and Mazda’s upscale pitch didn’t fully convince buyers that the crossover was a true luxury vehicle. Moreover, the CX-9 was discontinued in the U.S. after 2023, and replacement parts may become pricier. New nuance: In 2024, Mazda stopped offering the CX-9 entirely, pivoting to the larger CX-90, which further depressed demand for the used CX-9.
The 2022 MX-30 was Mazda’s first battery-electric vehicle in the U.S., and it arrived with commendable eco-conscious detailing: recycled fabrics, cork trim, and rear-hinged “freestyle” doors. The starting price of $33,470 seemed reasonable for an EV—until you realized its EPA range was only 100 miles. Mazda even offered a “MX-30 Owner’s Advantage” program that gave buyers up to 10 days of free loaner car use per year for three years, an implicit admission that the car was barely usable for road trips.
Unsurprisingly, U.S. sales ended after the 2023 model year. Today, a 2022 MX-30 can be found for around $12,300, according to Kelley Blue Book’s 2025 figures—a 58% loss in just three years. That places it among the worst-depreciating 2022 SUVs in the database. 2025 update: With no successor planned, the MX-30 has become a niche curiosity. Some California dealers are now sitting on unsold 2023 units, marking them down to $18,000, yet they still struggle to move. The limited range, combined with the lack of a DC fast-charging network compatibility (the MX-30 uses a CHAdeMO port, which is disappearing), ensures resale will remain depressed.
The RX-8 (2004–2011) is a pure enthusiast machine: a 1.3-liter two-rotor engine producing 232 hp, rear-wheel drive, a six-speed manual, and even rear-hinged back doors for surprising practicality. In theory, this should be a collectible. In practice, the rotary engine’s notorious oil consumption, unreliable apex seals, and high maintenance costs scare off potential buyers.
As of 2025, a clean 2004 RX-8 typically sells for $4,400 at dealers, with private-party values around $3,775, per Kelley Blue Book. Even the top-tier “Sport” trim in excellent condition is only worth about $9,250. Compare that to a 2004 Nissan 350Z, which still commands $8,000–$12,000. Fresh perspective: The RX-8’s resale is also hurt by the rise of affordable aftermarket engine swaps. Many owners replace the rotary with a more reliable V6 or LS V8, which further devalues unmodified examples. Mazda officially stated that only about 60% of RX-8s sold in the U.S. were still on the road in 2020; that number has likely dropped further.
The Mazda6 (2003–2021) was once the darling of the midsize sedan segment, praised for its sharp handling, upscale interior, and available turbocharged engine. But it was discontinued in the U.S. after 2021 as buyers shifted to crossovers. The used market has responded with a shrug.
A 2018 Mazda6 Grand Touring with the 2.5T engine now averages about $16,500, according to CarGurus’ 2025 data. That’s a 55% depreciation over 7 years. In contrast, a 2018 Honda Accord 2.0T is worth about $20,000. The discrepancy is even more stark for the base model. 2025 context: The Mazda6’s successor, the CX-60 (not sold in the U.S.), and the new CX-70 have stolen the sporty sedan’s thunder. Additionally, the Mazda6’s infotainment system is now dated, and replacement parts are becoming harder to find. With no new sedan on the horizon, the Mazda6 will likely continue to depreciate faster than its Japanese rivals.
Mazda builds driver-focused cars that often feel more special than their price tags suggest. But that specialness doesn’t always translate to strong resale. The CX-9, MX-30, RX-8, and Mazda6 all suffer from market-specific factors: limited practicality, niche powertrains, discontinuation, or reputational issues. If you’re shopping used, these models can be bargains—but be prepared for the trade-offs. And if you care about resale value, stick with the Miata, CX-5, or Mazda3.
