The Changan CS55 E-Rock (commonly known as the CS55 EV) is a compact all-electric SUV launched by Changan Automobile during the initial phase of its new energy transition. Developed on the platform of Changan's best-selling petrol-powered CS55 PLUS, this model debuted in 2020 to cater to strong consumer demand for long-range EV family SUVs. It also served as a cornerstone of Changan New Energy's "E Series", underpinning the brand's early EV lineup.
Positioned as a compact electric SUV, the Changan CS55 E-Rock measures 4,515 mm in length, 1,860 mm in width, and 1,690 mm in height, with a 2,650 mm wheelbase. Marketed as a "High-Range Contender" and an "ICE-to-EV Pioneer on a Legacy Platform", its key highlights include:
Impressive driving range: At its 2020 debut, the Long Range variant packed an 84.2 kWh battery pack delivering up to 605 km of NEDC-rated range, offering a formidable mileage advantage over rival electric SUVs in its segment.
Understated exterior styling: Carrying over the mature, clean design language of the CS55 PLUS, the EV variant distinguishes itself with a closed-off front grille, a full-width light bar, and dedicated EV badging while retaining familiar family styling cues.
Well-rounded family appeal: Built on a proven ICE platform, the vehicle delivers dependable ride comfort, practical cabin packaging, and intuitive ergonomics, making it an easy transition for buyers accustomed to conventional petrol SUVs.
Origins (2019–2020): Driven by China's NEV mandate policy, Changan Automobile expedited the rollout of its "E Series" electric lineup. Conceived under this initiative, the CS55 E-Rock made its official debut in late 2019 before going on sale in July 2020.
Lifecycle (2020–2022): Serving as a transitional model, the SUV gained steady early traction and customer feedback through promotional campaigns. However, as Changan pivoted its R&D focus toward dedicated EV architectures such as the "CHN" platform and bespoke sub-brands like DEEPAL and AVATR, development priority for the CS55 E-Rock gradually wound down.
Current status (2026): By 2026, the CS55 E-Rock has been phased out from the brand's mainstream sales lineup. Changan's primary focus has completely shifted to purpose-built EV platforms, spearheaded by the Qiyuan and DEEPAL ranges. The model now primarily exists through existing vehicle maintenance and residual stock channels, having fulfilled its role as an early trailblazer in Changan's electrification journey.
Target demographic: The model primarily targeted middle-class families with an immediate need for an EV (particularly in quota-controlled cities like Beijing) who also valued brand reliability and conventional interior ergonomics.
Market reception: Owners praised its dependable real-world driving range, especially its commendable efficiency in hot weather. Nonetheless, being an ICE-converted EV, its packaging compromises (dictated by the underfloor battery pack) and cabin tech feel dated by 2026 industry standards.
Competitive environment: During its active market run, it went head-to-head with the likes of the BYD Song EV series and contemporary EV startups in the segment. With the rollout of Changan's dedicated next-gen EV architectures, the CS55 E-Rock's market share has since been smoothly superseded by newer in-house offerings.
Powertrain architecture: Powered by a front-mounted single electric motor producing 160 kW and 300 Nm of torque. The drivetrain is tuned for linear, smooth power delivery, comfortably catering to urban commutes and highway cruising.
Battery and charging: It features a ternary lithium-ion battery pack available in two capacities: 52.7 kWh (Standard Range) and 84.2 kWh (Long Range). With DC fast charging, a 30% to 80% state of charge (SoC) can be achieved in around 35 minutes.
Infotainment and tech: The cabin houses a 10.25-inch touchscreen infotainment display featuring in-car WeChat, remote vehicle telematics, and connected online services. While advanced for its era, the system lacked support for continuous over-the-air (OTA) upgrades for advanced driver assistance systems (ADAS).
As of 2026, Changan Automobile remains firmly committed to its overarching electrification and intelligence roadmap. For the CS55 E-Rock, the brand's main priority is ensuring steady aftersales parts supply and technical support for existing owners. Moving forward, Changan will continue deploying its dedicated full-domain intelligent architectures; the venerable CS55 nameplate will live on under the new Qiyuan lineup with advanced hybrid and dedicated EV powertrains, moving completely away from early-generation ICE-derived conversions.
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