Technical Specifications
| Brand | JAC |
| Model | JS4 |
| Generation | JS4 |
| Type (Engine) | 1.5T (150 Hp) |
| Start of production | 2021 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | SUV, Crossover |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (urban) | 14.6 l/100 km (19.3 US mpg, 19.3 UK mpg, 6.8 km/l) |
| Fuel consumption (extra urban) | 9.5 l/100 km (24.8 US mpg, 29.7 UK mpg, 10.5 km/l) |
| Fuel consumption (combined) | 12.2 l/100 km (19.3 US mpg, 23.2 UK mpg, 8.2 km/l) |
| Fuel Type | Petrol (Gasoline) |
| Maximum speed | 170 km/h (105.63 mph) |
| Weight-to-power ratio | 9 kg/Hp, 110.7 Hp/tonne |
| Weight-to-torque ratio | 6.5 kg/Nm, 155 Nm/tonne |
| Power | 150 Hp @ 5500 rpm |
| Power per litre | 100.1 Hp/l |
| Torque | 210 Nm @ 2000-4500 rpm (154.89 lb.-ft. @ 2000-4500 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | HFC4GB2.4D |
| Engine displacement | 1499 cm3 (91.47 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 75 mm (2.95 in.) |
| Piston Stroke | 84.8 mm (3.34 in.) |
| Number of valves per cylinder | 4 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Turbocharger, Intercooler |
| Valvetrain | DOHC, i-VVT |
| Engine oil capacity | 4 l (4.23 US qt | 3.52 UK qt) |
| Coolant capacity | 5.6 l (5.92 US qt | 4.93 UK qt) |
| Kerb Weight | 1355 kg (2987.26 lbs.) |
| Max. weight | 1790 kg (3946.27 lbs.) |
| Max load | 435 kg (959.01 lbs.) |
| Trunk (boot) space – minimum | 520 l (18.36 cu. ft.) |
| Trunk (boot) space – maximum | 1050 l (37.08 cu. ft.) |
| Fuel tank capacity | 50 l (13.21 US gal | 11 UK gal) |
| Length | 4410 mm (173.62 in.) |
| Width | 1800 mm (70.87 in.) |
| Height | 1660 mm (65.35 in.) |
| Wheelbase | 2620 mm (103.15 in.) |
| Front track | 1510 mm (59.45 in.) |
| Rear track | 1500 mm (59.06 in.) |
| Ride height (ground clearance) | 200 mm (7.87 in.) |
| Minimum turning circle | 11.2 m (36.75 ft.) |
| Approach angle | 17° |
| Departure angle | 23° |
| Climb angle | 16.7° |
| Drivetrain Architecture | Front wheel drive |
| Number of gears and type of gearbox | 6 gears, manual transmission |
| Front suspension | Independent type McPherson |
| Rear suspension | Torsion |
| 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 | 215/50 R17 |
| Wheel rims size | 17 |
The JAC JS4, launched in 2021, is a compact SUV engineered to appeal to a wide spectrum of car buyers. The 1.5T variant, powered by the HFC4GB2.4D engine, occupies a middle ground within the JS4 range, positioned between the base, naturally aspirated models and potentially more powerful or luxury-focused trims, depending on regional availability. The JS4 was designed to compete with popular vehicles in the Chinese market, such as the Geely Binyue and Changan CS75 Plus, offering a contemporary design and a comprehensive feature set at a competitive price. This vehicle is a front-wheel-drive crossover, prioritizing practicality and fuel economy.
Powertrain & Engine Architecture
The core of the JS4 1.5T is the HFC4GB2.4D, a 1.5-liter turbocharged inline-four cylinder gasoline engine. This engine employs multi-point fuel injection and a turbocharger with an intercooler to enhance power output. It features a double overhead camshaft (DOHC) valvetrain with intelligent variable valve timing (i-VVT) on both the intake and exhaust sides, optimizing performance and fuel efficiency throughout the engine’s operating range. The 1499cc engine generates 150 horsepower at 5500 rpm and 210 Nm (154.89 lb-ft) of torque between 2000 and 4500 rpm. This torque curve is engineered to deliver responsive performance for everyday driving situations. The engine is coupled with a 6-speed manual transmission, transmitting power to the front wheels. While an automatic transmission was available on other JS4 models, the 1.5T was primarily offered with the manual gearbox.
Driving Characteristics
The JS4 1.5T, equipped with the 6-speed manual transmission, provides a reasonably engaging driving experience. The turbocharger delivers a noticeable power boost during acceleration, although it isn’t a particularly high-performance vehicle. The 6-speed gearbox is well-matched to the engine’s torque curve, enabling comfortable cruising at highway speeds. The gear ratios are tuned for fuel efficiency, which may require slightly higher engine speeds for quicker acceleration. Compared to potentially higher-output versions (if available), the 1.5T prioritizes fuel economy and affordability over outright performance. The front-wheel-drive configuration provides predictable handling characteristics, but lacks the all-weather capability of an all-wheel-drive system.
Equipment & Trim Levels
The JS4 1.5T typically includes a standard set of features designed to provide comfort and convenience. These generally encompass air conditioning, power windows, power door locks, and a basic audio system with USB connectivity. Higher trim levels, offered as options, could add features such as a touchscreen infotainment system with smartphone integration, a rearview camera, and alloy wheels. Interior upholstery was typically cloth, with the option of leatherette in higher trims. Safety features generally included ABS (Anti-lock Braking System) and airbags, though the specific number of airbags could vary based on the market and trim level.
Chassis & Braking
The JS4 utilizes a front-wheel-drive chassis with an independent McPherson strut suspension in the front and a torsion beam suspension in the rear. This suspension setup is designed to provide a comfortable ride quality while maintaining reasonable handling characteristics. The front brakes are ventilated discs, offering good stopping power, while the rear brakes are solid discs. The electric power steering system provides light and effortless steering, making it well-suited for urban driving. The vehicle’s ride height of 200mm (7.87 inches) provides sufficient ground clearance for navigating uneven roads and obstacles.
Market Reception & Comparison
The JAC JS4 1.5T was generally well-received in the Chinese market as a value-oriented option in the compact SUV segment. Reviewers highlighted its modern styling, spacious interior, and reasonable fuel economy. However, some critiques mentioned the relatively basic interior materials and a lack of refinement compared to more established competitors. Compared to other JS4 trims, the 1.5T offered a balanced combination of performance and fuel efficiency, making it a popular choice for buyers prioritizing practicality and affordability. Fuel economy figures around 12.2 l/100 km (19.3 US mpg) were considered average for its class.
Legacy
The JAC JS4 1.5T represents a significant advancement for JAC Motors in terms of design and technology. While comprehensive long-term reliability data is still developing, the HFC4GB2.4D engine has demonstrated general reliability in other JAC models. In the used car market, the JS4 1.5T offers an affordable entry point into the compact SUV segment. Its relatively straightforward mechanicals and readily available parts make it a potentially appealing option for budget-conscious buyers. As JAC continues to expand its global reach, the JS4 1.5T is likely to be remembered as a pivotal model in the company’s growth trajectory.
