The Great Wall Shanhai Cannon (Chinese: 山海炮; pinyin: Shānhǎi Pào) is a mid-size pickup truck produced by Great Wall Motor since 2022. It was first introduced at the Chengdu Auto Show in August 2022. The vehicle is positioned above the Great Wall Pao, with larger exterior dimensions and larger powertrain output.^[2]

In March 2024, the vehicle was launched in Thailand as the GWM Poer Sahar. It will also be marketed in Australia and New Zealand in mid-2024 as the GWM Cannon Alpha.^[3]

The Shanhai Cannon was introduced on 26 August 2022 at the Chengdu Auto Show, and went on sale in the Chinese market on 30 December 2022 at the Guangzhou Auto Show.^[4] It uses a body-on-frame chassis shared with the Tank 500, with an option of a V6 petrol engine with 48V mild hybrid system and a diesel engine.^[5] All models come equipped with series is equipped with a BorgWarner 4A+MLOCK four-wheel drive system as standard.^[4]

The rear tailgate of the Shanhai Cannon features dual opening mechanisms: a conventional drop-down function with dampers and a 60:40 split, barn-door style sideways opening. The release button, concealed within the logo, operates two functions: a regular press lowers the tailgate, while a brief press initiates the sideways opening.^[6]

The Shanhai Cannon features a dashboard that is shared with the Tank 500. It includes a digital meter panel, a 12.3-inch touchscreen display, 10 Infinity-branded speakers, and electric front seats with eight-way adjustment for the driver and four-way adjustment for the passenger. The leather seats are equipped with massage functionality and ventilation. Other equipment include advanced driver assistance systems (ADAS) package, a 360-degree camera, reclinable rear seats up to 33 degrees, and a central rear armrest with a wireless smartphone charging pad.^[6]

The hybrid version of the Shanhai Cannon was introduced in Thailand as the GWM Poer Sahar HEV at the Bangkok International Motor Show in March 2024. The vehicle is powered by a 2.0-litre four-cylinder turbocharged petrol engine producing 180 kW (241 hp; 245 PS) and 380 N⋅m (38.7 kg⋅m; 280 lb⋅ft), combined with an electric motor with 78 kW (105 hp; 106 PS) and 268 N⋅m (27.3 kg⋅m; 198 lb⋅ft) paired to a lithium-ion battery, 9-speed automatic gearbox and four-wheel drive system. The hybrid powertrain is also used by the Tank 300 HEV.^[6]