The Haval Big Dog II 1.5T (184 Hp) DCT, launched in 2023, represents a significant update to Haval’s popular compact crossover SUV, the Big Dog. Positioned as a mainstream offering within the Big Dog II range, this variant aims to balance performance, fuel efficiency, and affordability for the Chinese automotive market. The Big Dog II builds upon the foundation of the original Big Dog, offering a more refined design and updated technology. It competes directly with other domestically produced CUVs, as well as established international brands in the same segment. This particular configuration, featuring a 1.5-liter turbocharged engine paired with a 7-speed dual-clutch transmission (DCT), is a key volume seller for Haval.
Technical Specifications
| Brand | Haval |
| Model | Big Dog |
| Generation | Big Dog II |
| Type (Engine) | 1.5T (184 Hp) DCT |
| Start of production | 2023 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | CUV |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (economy) – combined (WLTC) | 7.6 l/100 km (30.9 US mpg, 37.2 UK mpg, 13.2 km/l) |
| Fuel Type | Petrol (Gasoline) |
| Emission standard | China VI |
| Power | 184 Hp @ 5500-6000 rpm |
| Power per litre | 122.7 Hp/l |
| Torque | 275 Nm @ 1500-4000 rpm (202.83 lb.-ft. @ 1500-4000 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | GW4B15L |
| Engine displacement | 1499 cm3 (91.47 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Number of valves per cylinder | 4 |
| Fuel injection system | Direct injection |
| Engine aspiration | Turbocharger, Intercooler |
| Engine oil capacity | 4 l (4.23 US qt | 3.52 UK qt) |
| Coolant | 9.8 l (10.36 US qt | 8.62 UK qt) |
| Fuel tank capacity | 60 l (15.85 US gal | 13.2 UK gal) |
| Length | 4705 mm (185.24 in.) |
| Width | 1908 mm (75.12 in.) |
| Height | 1780 mm (70.08 in.) |
| Wheelbase | 2810 mm (110.63 in.) |
| Ride height (ground clearance) | 200 mm (7.87 in.) |
| Drivetrain Architecture | The Internal combustion engine (ICE) drives the front wheels of the vehicle. |
| Drive wheel | Front wheel drive |
| Number of gears and type of gearbox | 7 gears, automatic transmission DCT |
| Front suspension | Independent type McPherson |
| Rear suspension | Independent multi-link suspension |
| Front brakes | Ventilated discs |
| Rear brakes | Disc |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Electric Steering |
| Tires size | 235/60 R19 |
| Wheel rims size | 19 |
Powertrain & Engine Architecture
The heart of the Big Dog II 1.5T DCT is the GW4B15L, a 1.5-liter inline-four cylinder gasoline engine. This engine utilizes direct fuel injection and is coupled with a single turbocharger and intercooler to boost power output. The engine’s design prioritizes a balance between performance and fuel economy, employing variable valve timing to optimize combustion efficiency. The 7-speed dual-clutch transmission (DCT) is a crucial component, offering quick and smooth gear changes compared to a traditional automatic transmission. DCTs are known for their efficiency and responsiveness, contributing to improved acceleration and fuel consumption. The engine management system incorporates a Start & Stop system to further reduce fuel consumption during city driving.
Driving Characteristics
The 184 horsepower and 275 Nm (202.83 lb-ft) of torque delivered by the 1.5T engine provide adequate performance for everyday driving. While not a sports-oriented vehicle, the Big Dog II 1.5T DCT offers sufficient acceleration for merging onto highways and overtaking other vehicles. The DCT transmission contributes to a more engaging driving experience than a conventional automatic, with quicker shifts and a more direct feel. Compared to potential higher-output variants (if offered), this version prioritizes fuel efficiency and a smoother, more comfortable ride. The front-wheel-drive configuration provides predictable handling, although it may lack the all-weather capability of an all-wheel-drive system. The gear ratios are tuned for a balance between acceleration and fuel economy, with taller gears for highway cruising.
Equipment & Trim Levels
The Big Dog II 1.5T DCT typically comes standard with a comprehensive suite of features, including air conditioning, power windows and locks, a touchscreen infotainment system, and basic safety features like ABS and airbags. Higher trim levels add features such as leather upholstery, a panoramic sunroof, advanced driver-assistance systems (ADAS), and upgraded audio systems. Interior upholstery generally consists of cloth or synthetic leather, depending on the trim level. The dashboard layout is modern and functional, with a focus on ease of use. Optional extras often include navigation systems, parking sensors, and a rearview camera.
Chassis & Braking
The Big Dog II utilizes an independent McPherson strut suspension in the front and an independent multi-link suspension in the rear. This suspension setup is designed to provide a comfortable ride while maintaining good handling characteristics. The front brakes are ventilated discs, offering good stopping power, while the rear brakes are solid discs. The electric power steering provides light and precise steering feel. The vehicle’s ride height of 200mm (7.87 inches) provides adequate ground clearance for navigating rough roads and minor off-road conditions.
Market Reception & Comparison
The Haval Big Dog II 1.5T DCT has been well-received in the Chinese market, particularly among buyers seeking a stylish and practical CUV at a competitive price point. Critics have praised its modern design, comfortable interior, and fuel-efficient powertrain. Compared to other trims in the Big Dog II lineup, this 1.5T variant offers a compelling balance of performance and economy. It’s generally more affordable than higher-output versions, making it an attractive option for budget-conscious buyers. Fuel economy figures of 7.6 l/100 km (30.9 US mpg) are competitive within its segment. Reliability reports are still emerging, but Haval has been steadily improving the quality and reliability of its vehicles in recent years.
Legacy
The Haval Big Dog II 1.5T DCT represents a step forward for Haval in terms of design, technology, and overall refinement. While it’s still relatively early in its lifecycle, the GW4B15L engine and the 7-speed DCT transmission are expected to prove durable and reliable. As the Big Dog II gains a larger presence in the used car market, its long-term reliability will become more apparent. The success of this variant will likely influence Haval’s future product development, potentially leading to further improvements in powertrain technology and overall vehicle quality. It’s a key model in Haval’s strategy to become a leading automotive brand in China and potentially expand its reach into international markets.
