JAC 4

Model Overview

The "JAC 4" moniker spans several nameplates across JAC Motors' product line-up, most notably referring to the export-market JS4 and the domestic market's core EV offering, the iEVS4. Serving as a crucial product line marking JAC Passenger Cars' 3.0 era and its joint venture with Volkswagen, the iEVS4 alongside its sister model, the Jiayue X4, represented a strategic milestone in JAC's push towards a more youthful and tech-driven brand identity. Beyond these, the "JAC 4" badge was also seen on the 2013 Sunray commercial van series as the "4-Series", as well as the earlier 2014 "fourth-generation" all-electric family sedan, the "Heyue iEV4". As such, "JAC 4" carries a rich heritage, encompassing multiple segments ranging from commercial vans to family-oriented SUVs.

Design Language

Aesthetically, while the JAC iEVS4 is based on the petrol-powered Refine S4, it incorporates dedicated EV styling cues. Up front, it features a fully closed grille with the charging port neatly concealed behind the front emblem, flanking "eagle-eye" LED headlights that lend it a futuristic, eco-friendly aesthetic. Along the sides, a floating roof design paired with sharp dual character lines defines a sleek, dynamic profile. Meanwhile, its sibling, the Jiayue X4, adopts a bolder "Steel X-Man" design language, featuring split headlamps, an "alloy mecha" front grille, and full-width rear light bars for a distinctly aggressive, futuristic stance. Dimension-wise, the JAC JS4 measures 4,410 mm in length, 1,800 mm in width, and 1,660 mm in height, with a 2,620 mm wheelbase—placing it firmly within standard compact SUV proportions.

Powertrain and Performance

Powering the JAC iEVS4 is a front-mounted permanent magnet synchronous motor delivering 110 kW (around 150 PS) and a peak torque of 330 Nm. Juice is supplied by a high-safety lithium iron phosphate (LFP) battery pack, offering an NEDC-rated range of between 402 km and 470 km. As a fully electric crossover, the iEVS4 supports DC fast charging, allowing for quick top-ups suited for everyday urban commutes. On the other hand, the petrol-driven Jiayue X4 is powered by a 1.5-litre turbocharged engine producing 110 kW and 210 Nm of torque, paired with either a 6-speed manual or a CVT gearbox, complying with China 6b emission standards to cater to diverse driving preferences.

Chassis and Handling

Underneath, the JAC iEVS4 utilises a segment-standard setup comprising front MacPherson struts and a rear torsion beam, striking a balance between cabin packaging efficiency and fundamental ride comfort. Electric power steering (EPS) and an electronic parking brake (EPB) come standard across the range for effortless daily driving. Thanks to the low-slung underfloor battery pack, the iEVS4 benefits from a lower centre of gravity, resulting in improved ride stability over its petrol counterpart. Furthermore, built under stringent German VDA quality standards, the chassis was co-tuned by JAC Volkswagen and Magna engineers to elevate overall ride refinement.

Cabin and Features

Inside the cabin, the JAC iEVS4 sports a 10.25-inch floating touchscreen infotainment display alongside a fully digital instrument cluster, powered by the J-Link 3.5 connected system with iFLYTEK-developed intelligent voice control that manages navigation, media, and air conditioning seamlessly. Mid-to-high-spec variants gain leatherette upholstery, keyless entry with push-start button, and a reverse camera. Practicality is well-catered for with numerous storage cubbies, while the split-folding rear seats allow boot capacity to expand from 520 litres up to 1,050 litres to accommodate larger cargo.

Safety and Intelligent Driving

Safety remains a major highlight for the JAC iEVS4. The vehicle features a rigid safety cage constructed with up to 70% high-strength steel, preserving passenger cell integrity in the event of an impact. On the active safety front, all variants come standard with Bosch's Version 9.3 Electronic Stability Programme (ESP), Traction Control System (TCS), ABS, and a Tyre Pressure Monitoring System (TPMS). Higher-tier trims add 6 airbags, a 360-degree surround-view camera, lane change assist, and lane departure warning. Advanced driver assistance systems (ADAS) on range-topping variants also include Adaptive Cruise Control (ACC) and Autonomous Emergency Braking (AEB), providing Level 2 semi-autonomous driving capabilities.

Market Performance and Reception

Upon their debut, the JAC iEVS4 and Jiayue X4 garnered noticeable interest within the RM100,000-bracket EV and petrol SUV segments, bolstered by Volkswagen JV technical backing and fresh 3.0-era design styling. However, amid rapidly rising EV adoption and aggressive product updates from rivals, sales of the JAC 4 series—including the iEVS4—tapered off between 2025 and 2026. Owner feedback has generally praised the roomy cabin, reassuring chassis dynamics, and solid value proposition. On the flip side, criticisms have been levelled at scratchy interior plastics, occasional infotainment lag, and limited brand prestige. Overall, while the JAC 4 series demonstrated sincere product substance as JAC Motors' stepping stone into the higher-tier passenger car space, sustaining long-term brand equity and segment competitiveness remains an uphill task.