The Bestune B70 is a mid-size sedan produced by the FAW Group under the brand name Bestune.

The first generation B70 was developed with the Ford CD3 platform shared with the Mazda 6, and was produced from 2006 to 2014 with a mid-cycle facelift in 2012.

The Second generation B70 was produced from 2014 to 2019 and was also built on the same platform as the Mazda 6 with an additional RS performance variant available with a Volkswagen-sourced turbo engine.

The third generation B70 was produced from 2020, the first car to be bult on FAW's FMA architecture.

The first-generation B70 is technically based on the first generation of the Mazda6. The car was introduced in 2006 and the engine of this car was made by Mazda.^[1] was revised in 2012.

The car is optionally powered by a 2.0 litre engine with 108 or a 2.3 litre engine with 120 kW (161 hp; 163 PS) and both engines are sourced from Mazda. For the 2.0 L version, a six-speed manual transmission and a five-speed automatic are available, while the 2.3 L version is automatic only. The facelifted B70 ran on a 1.8 litre engine from FAW.

The security equipment is correspondingly much higher than the price of Chinese cars. Airbags for driver and front passenger are as standard as tire-pressure monitoring system, ABS and a traction control. For a surcharge there are numerous other airbags. Other equipment includes air conditioning as standard; for an extra charge, there are things like DVD player and navigation system.^[2]

An FCV variant was unveiled as a concept car on 15 April 2010.

• Besturn B70 pre-facelift front
• Besturn B70 pre-facelift rear

The second generation Bestune B70 was launched onto the market in May 2014. It is based on the same platform as the second generation Mazda6. The engines of the second generation B70 includes a 108 kW 2.0 liter (LF) engine and a 120 kW 2.3 liter (L3) engine. The engine options were dropped in 2012 and replaced by an 1.8 liter (ET3) engine shared with the B50 developed by FAW.^[5]

The design of the second generation Bestune B70 was also done by Giorgetto Giugiaro.^[6]

• Bestune B70 second generation
• The rear view of the second generation Bestune B70

The third generation Bestune B70 is a 5-door liftback sedan that debuted during the 2020 Beijing Auto Show. The third generation Bestune B70 is the first car to be bult on FAW's FMA architecture. According to FAW, FMA stands for FAW Modular Architecture, while "F" also stands for both "Forward" and "Future".^[8]

• Bestune B70 third generation
• Rear view

The third generation Bestune B70 sedan is equipped with a 169-horsepower (126 kW; 171 PS) 1.5-litre turbo engine,^[9] and the engine pairs with either a six-speed automatic transmission or a six-speed manual transmission.^[10]

In November 2023, Bestune launched the fourth generation of B70.^[11] The fourth-generation has discontinued the previous 1.5-liter turbocharged engine paired with a 7-speed dual-clutch transmission powertrain. The entire lineup comes equipped with a 2.0-liter turbocharged engine and an Aisin 6-speed automatic transmission.^[12]