Great Wall Motor is expanding its popular Haval "Big Dog" (Dargo) series with new hybrid variants, according to recent regulatory filings from China’s Ministry of Industry and Information Technology (MIIT). The Haval Big Dog PLUS Hi4 and Hi2 models, both featuring 1.5T plug-in hybrid electric systems, signify the brand’s shift toward diversifying its electrified off-road-capable SUV lineup to better compete in the domestic market.
Technical Specifications of the New Big Dog Variants
The latest MIIT filings confirm that Great Wall Motor is preparing to launch two distinct hybrid configurations for the Big Dog PLUS. Both models utilize a 1.5-liter turbocharged engine as the foundation for their power delivery.
The primary distinction between the two lies in their drivetrain architecture. The "Hi4" designation refers to Great Wall Motor’s proprietary intelligent four-wheel-drive hybrid technology, which typically utilizes a dual-motor layout to distribute torque between the front and rear axles dynamically. In contrast, the "Hi2" configuration is expected to prioritize a front-wheel-drive layout, likely aimed at consumers seeking higher fuel efficiency and a lower entry price point for urban driving environments. These filings provide the first official confirmation of these powertrain combinations being paired with the Big Dog’s established boxy, rugged aesthetic.
Market Context for Haval’s Hybrid Expansion
Great Wall Motor’s decision to integrate its Hi4 and Hi2 systems into the Big Dog series reflects a broader trend in the Chinese automotive market: the rapid electrification of traditional internal combustion engine (ICE) nameplates.
According to industry data, the "Big Dog" (known as Dargo in international markets) has served as a cornerstone of the Haval brand, bridging the gap between utilitarian off-roaders and family-oriented crossovers. By adding plug-in hybrid options, Haval aims to address consumer demand for lower vehicle operating costs without sacrificing the vehicle’s signature design language. This move follows the successful deployment of Hi4 technology in other GWM models like the Raptor and the Xiaolong Max, signaling a standardized approach to electrification across the company’s portfolio.
Understanding the Hi4 Hybrid System
The Hi4 (Hybrid Intelligent 4WD) system is a key differentiator for Great Wall Motor. Unlike conventional hybrid systems that rely on mechanical driveshafts to connect the front and rear wheels, the Hi4 system utilizes an electric motor on the rear axle to provide all-wheel-drive capabilities.
This architecture allows for:
- Improved Traction: Instant torque delivery to the rear wheels during acceleration or on slippery surfaces.
- Energy Efficiency: The system intelligently switches between pure electric, series hybrid, and parallel hybrid modes depending on speed and load requirements.
- Weight Reduction: Removing the physical driveshaft reduces overall vehicle weight, contributing to better fuel economy compared to traditional 4WD systems.
Future Outlook for the Big Dog PLUS
While the MIIT filings represent a significant step toward production, Great Wall Motor has not yet announced specific pricing or a release date for the Big Dog PLUS Hi4 and Hi2. The filing process is a mandatory regulatory requirement in China, typically occurring several months before a vehicle reaches dealership floors. Prospective buyers should monitor official announcements from Haval regarding trim levels, battery range estimates, and regional availability as the company prepares for the official commercial launch.
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