At the ongoing Japan Mobility Show 2025, Maruti Suzuki's parent company has a Fronx FFV concept on display, which is powered by an engine that can run E85 petrol; fuel that has up to 85 percent ethanol content. The final production Maruti Fronx flex fuel is scheduled to arrive in India sometime next year.

Maruti Fronx flex fuel engine details

Fronx FFV will run on E20 and higher ethanol blends

While the exact specifications of the Fronx FFV concept's engine have not been revealed, this unit is capable running petrol that has 20 percent to 85 percent ethanol content. This means that it'll run on the current E20 petrol available in India, and when E85 petrol is introduced, the Fronx flex fuel will be able to run on that too. The Indian govenment is already exploring options of increasing the ethanol blend to 30 percent in the next five years, and progressing toward even higher blends.

Maruti Fronx flex fuel exterior and interior details

Green stickers mark flex fuel version apart

Other than the lurid green flex fuel stickers, nothing else marks this Fronx apart from its standard counterpart. It has the same 3,995mm long, 1,765mm wide, and 1,550mm tall dimensions, and other than the blacked-out alloys looks identical to the model that is on sale in India and exported to Japan. It should be noted that the Japan-spec Fronx gets an ADAS suite, and is powered by a 1.5-litre petrol engine that has 5-speed manual and a 6-speed torque converter automatic options. Suzuki's AllGrip Select AWD tech is an optional extra.