If you’re asking the question, “What Mazda sedan is bigger than the Mazda 6?”, you’re not alone. As buyers seek more space, luxury, and performance, the Mazda lineup is evolving—and fast. While the Mazda 6 has long been the brand’s flagship sedan, recent developments suggest there’s something bigger, bolder, and more advanced on the horizon.
At Marin Mazda, Bay Area drivers are constantly searching for sedans that offer full-size comfort, premium features, and sharp Mazda styling. In this blog, we’ll explore whether any Mazda sedan is larger than the Mazda 6, what to expect in the near future, and what models you should be watching if space and sophistication are your top priorities.
Quick Overview: Mazda 6 Dimensions and Segment
Before diving into what might be bigger, let’s establish where the Mazda 6 sits in the lineup.
| Specification | 2021 Mazda 6 (Final U.S. Model Year) |
|---|---|
| Overall Length | 192.7 inches (4,895 mm) |
| Width | 72.4 inches (1,839 mm) |
| Height | 57.1 inches (1,450 mm) |
| Wheelbase | 111.4 inches (2,829 mm) |
| Cargo Volume | 14.7 cubic feet |
| Passenger Volume | 99.8 cubic feet |
The Mazda 6 was a mid-size sedan offering generous space, but still compact enough for urban driving. However, with the discontinuation of the Mazda 6 in the U.S. market, the question arises: what fills its place? Is there a larger Mazda sedan coming?
Is There a Mazda Sedan Bigger Than the Mazda 6?
Technically, no current Mazda sedan in production is larger than the discontinued Mazda 6. But that doesn’t mean a larger sedan isn’t on the way. Mazda has been hinting at the arrival of a more premium, larger platform that could compete with executive sedans.
Enter the Rear-Wheel-Drive Mazda Platform
Mazda has confirmed the development of a new large vehicle platform with rear-wheel-drive (RWD) and inline-6 engines, designed for more premium vehicles (Source). This includes:
- New RWD-based architecture
- Inline-6 Skyactiv engines
- Plug-in hybrid and mild hybrid capability
These vehicles are expected to be longer, wider, and more luxurious than any Mazda sedan to date, potentially rivaling models like the BMW 5 Series or Mercedes E-Class.
Mazda CX-70 and CX-90: The Platform Revealers
Although not sedans, the recently launched Mazda CX-70 and CX-90 SUVs give us a clear view into the size and refinement this new platform brings.
| Model | Overall Length | Width | Powertrain Options |
| CX-70 | 200.8 in | 78.5 in | Inline-6 Turbo, PHEV |
| CX-90 | 201.6 in | 78.5 in | Inline-6 Turbo, PHEV |
With these dimensions, any future sedan built on the same chassis would easily eclipse the Mazda 6 in size and power.
What About the Mazda 9? Rumors and Reality
There has been increasing speculation about a Mazda 9, a potential full-size sedan that could succeed the Mazda 6. While Mazda has not confirmed this model officially, auto insiders believe that such a sedan could:
- Measure over 195 inches in length
- Feature all-wheel-drive (AWD) options
- Include luxury interiors, including real wood trim, Nappa leather, and 12-inch digital displays
If true, this would make the hypothetical Mazda 9 not only larger than the Mazda 6, but also Mazda’s largest passenger car ever produced.
Sedan Alternatives with More Space: Mazda’s Real-World Options
If you need more room today and aren’t waiting on future models, your best bet is to explore Mazda’s crossover lineup that delivers similar driving dynamics with more cargo and passenger space.
Comparison: Mazda 6 vs. Mazda CX-50 vs. CX-90
| Metric | Mazda 6 | Mazda CX-50 | Mazda CX-90 |
| Passenger Volume | 99.8 cu ft | 100.3 cu ft | 141.6 cu ft |
| Cargo Volume | 14.7 cu ft | 31.4 cu ft | 15.9-75.2 cu ft |
| Overall Length | 192.7 in | 185.8 in | 201.6 in |
| Seating Capacity | 5 | 5 | 6-8 |
So while there may not be a larger Mazda sedan than the Mazda 6 right now, you can enjoy increased space and power in Mazda’s flagship crossovers available at Marin Mazda.
What to Watch For in 2025 and Beyond
The launch of the new Mazda6 successor (possibly Mazda 9) is expected to land first in Japan and Europe, then potentially come to the U.S. market depending on reception.
Likely Features:
- RWD architecture with optional AWD
- Turbocharged inline-6 producing up to 340 hp
- Plug-in hybrid powertrain with 500+ miles (800+ km) range
- More cabin space and trunk capacity than Mazda 6
- Premium materials rivaling Lexus and Genesis
It would aim directly at models like the Genesis G80, BMW 5 Series, and Audi A6.
Why Bay Area Drivers Should Care
Bay Area buyers are increasingly interested in vehicles that deliver performance and practicality. With long commutes on the 101 or I-80, road trips to Lake Tahoe, and urban maneuvering in San Francisco, a spacious sedan can be both luxurious and practical.
A Mazda 6 successor would be ideal for drivers who want:
- More rear seat legroom for family or colleagues
- Larger trunk for luggage, sports gear, or strollers
- Executive presence without the luxury price tag
And best of all, you can count on Mazda’s superior handling and value.
In the Meantime: Best Large Sedans in Stock
At Marin Mazda, we frequently have access to Certified Pre-Owned Mazda 6 models, as well as other spacious sedans from top automakers.
Benefits of CPO Mazda 6 models:
- 160-point inspection
- 12-month/12,000-mile warranty
- 7-year/100,000-mile powertrain coverage
- Competitive pricing under $25,000 USD
Check out our latest specials or contact us to inquire about current inventory.
Lease and Finance Options for Your Next Mazda
We make it simple to upgrade to a roomier vehicle today, even as we await new sedan arrivals.
Current Financing Promotions:
- Low APR financing on Mazda CX-50 and CX-90 models
- Flexible lease terms from 24 to 72 months
- Trade-in bonuses when upgrading from older sedans
Start your journey by getting pre-approved online or booking a visit to test drive potential alternatives.
Final Thoughts: Is There a Bigger Mazda Sedan Than the 6?
As of today, Mazda does not offer a sedan larger than the Mazda 6 in production. However, all signs point to a more spacious, luxurious, and powerful sedan being in development as part of Mazda’s new premium lineup.
If you’re seeking more interior volume now, your best choices are Mazda’s next-generation crossovers like the CX-70 and CX-90. And if you’re willing to wait, the rumored Mazda 9 or Mazda 6 successor could be worth it.
Looking for More Room Today?
Browse New Mazda Inventory | See Current Specials | Contact Marin Mazda to explore your options.
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