The Haval Big Dog 1.5T (184 Hp) DCT, produced from 2020 to 2023, represents Haval’s entry into the increasingly competitive compact CUV (Crossover Utility Vehicle) segment. Introduced as a more stylish and modern alternative to traditional SUV offerings, the Big Dog aimed to appeal to younger buyers seeking a vehicle with both capability and aesthetic appeal. This particular variant, powered by the GW4B15L 1.5-liter turbocharged engine paired with a 7-speed dual-clutch transmission (DCT), served as a key volume seller within the Big Dog lineup, offering a balance between performance, fuel efficiency, and affordability. It was primarily marketed within the Chinese domestic market, where Haval, a subsidiary of Great Wall Motors, holds a significant market share.
Technical Specifications
| Brand | Haval |
| Model | Big Dog |
| Generation | Big Dog I |
| Type (Engine) | 1.5T (184 Hp) DCT |
| Start of production | 2020 |
| End of production | 2023 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | CUV |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (combined WLTC) | 7.5 l/100 km (31.4 US mpg, 37.7 UK mpg, 13.3 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 capacity | 9.8 l (10.36 US qt | 8.62 UK qt) |
| Fuel tank capacity | 61 l (16.11 US gal | 13.42 UK gal) |
| Length | 4620 mm (181.89 in.) |
| Width | 1890 mm (74.41 in.) |
| Height | 1780 mm (70.08 in.) |
| Wheelbase | 2738 mm (107.8 in.) |
| Ride height (ground clearance) | 200 mm (7.87 in.) |
| Drivetrain Architecture | Front wheel drive, Internal Combustion Engine |
| 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 |
| 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 Haval Big Dog 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 direct injection system allows for precise fuel delivery, optimizing combustion efficiency and reducing emissions. The engine’s valvetrain features four valves per cylinder, contributing to improved breathing and overall performance. The 7-speed dual-clutch transmission (DCT) provides quick and smooth gear changes, enhancing both acceleration and fuel economy. The DCT operates by utilizing two separate clutches for odd and even gears, allowing for pre-selection of the next gear and minimizing interruption in power delivery. This transmission is known for its responsiveness and efficiency compared to traditional automatic transmissions.
Driving Characteristics
The 184 horsepower and 275 Nm (202.83 lb-ft) of torque produced by the 1.5T engine provide adequate performance for everyday driving situations. While not a particularly sporty vehicle, the Big Dog 1.5T offers sufficient acceleration for merging onto highways and overtaking slower traffic. The DCT contributes to a more engaging driving experience than a conventional automatic, with quick shifts and a noticeable connection between the throttle and the wheels. Compared to higher-output variants of the Big Dog, this 1.5T model prioritizes fuel efficiency over outright performance. The gear ratios are tuned for optimal fuel economy, resulting in a slightly less aggressive driving experience. The front-wheel-drive configuration provides predictable handling, but it lacks the all-weather capability of all-wheel-drive models.
Equipment & Trim Levels
The Big Dog 1.5T DCT typically came equipped with a respectable array of standard features. These generally included automatic climate control, a touchscreen infotainment system with smartphone connectivity (Apple CarPlay and Android Auto), power windows and locks, and a rearview camera. Higher trim levels offered additional features such as leather upholstery, a panoramic sunroof, heated front seats, and advanced driver-assistance systems (ADAS) like adaptive cruise control and lane departure warning. Interior materials were generally of good quality for the price point, with a focus on providing a comfortable and modern cabin environment. The dashboard layout was clean and intuitive, with easy-to-use controls.
Chassis & Braking
The Haval Big Dog utilizes an independent McPherson strut suspension setup at the front and an independent multi-link suspension at the rear. This suspension configuration provides a comfortable ride quality and good handling characteristics. The front suspension is designed to absorb bumps and irregularities in the road surface, while the rear suspension helps to maintain stability during cornering. The braking system consists of ventilated discs at the front and solid discs at the rear. Anti-lock braking system (ABS) is standard, enhancing safety by preventing wheel lockup during emergency braking. The electric power steering provides light and precise steering feel, making it easy to maneuver in urban environments.
Market Reception & Comparison
The Haval Big Dog 1.5T DCT was generally well-received in the Chinese market, praised for its stylish design, comfortable interior, and competitive pricing. Critics noted that the 1.5T engine provided adequate performance for most drivers, while also delivering good fuel economy. Compared to other trims in the Big Dog lineup, the 1.5T offered a more affordable entry point, making it accessible to a wider range of buyers. However, some reviewers pointed out that the front-wheel-drive configuration limited its off-road capability compared to all-wheel-drive models. In terms of reliability, the GW4B15L engine has proven to be generally dependable, although long-term ownership data is still relatively limited due to the vehicle’s relatively recent introduction.
Legacy
The Haval Big Dog 1.5T DCT played a significant role in establishing Haval as a major player in the Chinese CUV market. Its combination of style, comfort, and affordability resonated with consumers, contributing to the Big Dog’s overall success. On the used car market, these models represent a relatively affordable option for buyers seeking a modern and well-equipped CUV. While the 1.5T engine may not offer the same level of performance as larger displacement engines, its fuel efficiency and proven reliability make it a practical choice for everyday driving. As Haval continues to expand its global presence, the Big Dog 1.5T DCT serves as a testament to the brand’s commitment to innovation and value.
