India’s fuel landscape is changing fast. Petrol pumps are already supplying E20, and the push toward even higher ethanol blends is getting stronger each year. Naturally, vehicle owners are worried—Will my car handle these blends? Will I need a new engine?
And right in the middle of this confusion, Maruti Suzuki has brought something that feels like a clear, confident answer.
At the Japan Mobility Show 2025, the company showcased the Maruti Suzuki Fronx Flex Fuel, a concept crossover designed to work with ethanol blends all the way up to 85%. It’s a model built for the next phase of India’s fuel transition, and it’s set to arrive in India in 2026.
Market Performance: A Fuel Transition That’s Driving New Conversations
With the government exploring the possibility of increasing ethanol blending to 30% within the next five years, the auto industry has become a key talking point in the market.
Investors, consumers, and automakers are watching closely, and anything that aligns with India’s green mobility direction is catching attention.
In that backdrop, the Maruti Suzuki Fronx Flex Fuel feels timely. It carries the same familiar design, but with the ability to handle E20 to E85—a capability that directly speaks to India’s evolving fuel ecosystem.
Main News: Fronx Flex Fuel Unveiled at Japan Mobility Show 2025
Maruti Suzuki pulled the covers off the Fronx Flex Fuel at the Japan Mobility Show 2025, giving everyone a first look at a crossover built for high ethanol-blend compatibility.
The highlight is clear and simple:
The Fronx Flex Fuel can run on petrol with ethanol blends up to 85%.
This means India’s shift toward higher-blend fuel—whenever it officially arrives—won’t be a concern for this model. Whether it’s today’s E20 or a future E85, the crossover has been engineered to support both.
The model showcased is scheduled to launch in India in 2026, adding another option for buyers who want a vehicle that’s already in sync with fuel norms that are still evolving.
Company Details: Same Fronx Identity, Future-Ready Capability
Maruti Suzuki hasn’t changed the personality of the Fronx for this flex fuel version. The concept shown in Japan looks almost identical to the model currently sold in India.
Dimensions stay unchanged:
- Length: 3,995 mm
- Width: 1,765 mm
- Height: 1,550 mm
It also carries black alloy wheels similar to the regular version. The only visual difference comes from the bright green Flex Fuel decals, clearly marking its ethanol-ready design.
Inside, the concept mirrors the export-spec version of the Fronx that’s built in India and sold overseas.
Key features include:
- ADAS suite
- Heated front seats
- Electronic Parking Brake (EPB)
- Auto Hold function
These features match the Japan-spec model exported from India, giving the concept a global edge without changing its core structure.
Powertrain Options: What the Concept Reveals
The Japan-spec Fronx uses a 1.5-litre petrol engine, offered with:
- A 5-speed manual gearbox
- A 6-speed torque converter automatic
It also features AllGrip Select AWD technology.
In India, the current Fronx lineup comes with two engine choices:
- 1.2-litre DualJet petrol
- 1.0-litre turbo petrol
Maruti Suzuki has not confirmed what engine the Indian Flex Fuel version will use. What is clear is the brand’s goal: compatibility with E20 and higher blends, up to E85, without revealing final specs yet.
Flex Fuel Capability: Built for E20, Ready for E85
Even though Maruti Suzuki hasn’t released the technical specifications, the big confirmation is already out in the open:
The Fronx Flex Fuel can run on petrol with ethanol blends from 20% all the way to 85%.
That makes it compatible with:
- Today’s E20 fuel used in India
- Future higher blends
- Possible E85, whenever introduced in the country
In a market preparing for a major fuel shift, this capability stands out as a practical solution rather than a mere concept.
Summary: A Familiar Crossover Ready for India’s Next Fuel Era
The Maruti Suzuki Fronx Flex Fuel keeps everything that makes the Fronx popular today but adds a layer of future-proof engineering. It’s built to adapt, built to handle higher ethanol blends, and built for a market that’s stepping into a new fuel chapter.
Key takeaways:
- Unveiled at Japan Mobility Show 2025
- India launch set for 2026
- Runs on E20 to E85
- Same dimensions and design as the current Fronx
- Export-spec features showcased
- Engine options for India not yet confirmed
As India moves deeper into ethanol-blended mobility, the Fronx Flex Fuel stands as a crossover prepared for the upcoming change—without losing its familiar appeal.
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