BYD’s Fang Cheng Bao Formula S liftback sedan has been seen testing in China, with new images revealing both its exterior and interior details. The Formula S, along with its S GT wagon sibling, is preparing for a Q3 2026 launch following recent regulatory filings.
First Look at the Formula S Sedan
Recent sightings show the Fang Cheng Bao Formula S sedan in light camouflage, featuring unpainted bumpers and minimal vinyl, indicating it is close to production. The vehicle is equipped with a roof-mounted LiDAR unit and is expected to include BYD’s DiPilot 5.0 assisted-driving system. The rims seen on the test car match those listed in the official MIIT application.
Interior and Design Details
Leaked images reveal a velvet red interior with a steering wheel embossed with the FCB logo. The front seats feature side bolsters, though they do not appear to be heavily sport-oriented. Both the Formula S sedan and S GT wagon adopt a design language similar to the Denza Z sports car, with aerodynamic elements such as front splitters and rear diffusers. The taillight design is inspired by the FCB logo.
Model Variants and Performance
The Formula S liftback measures 5,060 mm (~199 inches) in length, 1,967 mm (~77 inches) in width, and 1,483 mm (~58 inches) in height, with a wheelbase of 2,950 mm (~116 inches). The S GT wagon is slightly shorter at 5,025 mm (~198 inches) but shares the same width, height, and wheelbase. The sedan’s curb weight ranges from 1,999 to 2,250 kg (~4,407 to ~4,960 lbs), while the S GT wagon weighs in at 2,170 to 2,280 kg (~4,784 to ~5,027 lbs).
For powertrains, the entry-level rear-wheel drive Formula S sedan and S GT wagon both use a 245 kW (329 hp) rear motor. The mid-level RWD sedan steps up to a 300 kW (402 hp) rear motor. Both models offer a top all-wheel drive trim with a 490 kW (657 hp) twin-motor system. BYD’s Blade Battery 2.0 and Flash Charging technology are set to be included, though specific battery details have not been disclosed.
Brand Expansion and Market Context
Fang Cheng Bao (FCB) was introduced by BYD in 2023 as a dedicated off-road sub-brand. In 2024, FCB announced plans to expand into sports cars and sedans, and the Formula X concept was unveiled at the 2026 Beijing Auto Show. The Formula S and S GT are FCB’s first sedan and wagon models, diversifying a lineup that previously consisted only of off-road SUVs.
According to China EV DataTracker, Fang Cheng Bao delivered 26,361 units domestically in May 2026, marking consistent year-on-year growth over the past 12 months.
Why this matters
The introduction of the Formula S and S GT marks Fang Cheng Bao’s entry into the sedan and wagon segments, expanding beyond its original off-road SUV focus. This move reflects BYD’s ongoing efforts to diversify its offerings and strengthen its position in China’s competitive new energy vehicle market.
What this means for buyers
Buyers interested in BYD’s latest technology and design language can look forward to the Formula S and S GT launching in Q3 2026. With a range of powertrain options and advanced features like DiPilot 5.0, these models are set to offer new choices for those seeking performance-oriented electric sedans and wagons from a growing Chinese brand.
Key Specs
- Length (Formula S liftback): 5,060 mm (~199 inches)
- Width: 1,967 mm (~77 inches)
- Height: 1,483 mm (~58 inches)
- Wheelbase: 2,950 mm (~116 inches)
- Curb Weight (Formula S sedan): 1,999–2,250 kg (~4,407–4,960 lbs)
- Curb Weight (S GT wagon): 2,170–2,280 kg (~4,784–5,027 lbs)
- Entry RWD Motor: 245 kW (329 hp)
- Top AWD System: 490 kW (657 hp)
Source
Images sourced from: theelectricviking.com
